Wyeth Holdings LLC
Wyeth HoldActive Patents
0
Total Holdings
502
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| WO1993015682A1 | Polymeric screws and coatings for surgical uses | Expired / Lapsed | 1993-02-12 | — | 0 | Details |
| EP0564783A1 | Transanal anastomosis ring insertion device | Expired / Lapsed | 1993-02-11 | — | 11 | Details |
| EP0554653A2 | Multicolored surgical braid | Expired / Lapsed | 1993-01-04 | — | 11 | Details |
| EP0548532A1 | 5,6-Disubstituted-3-pyridylmethyl ammonium halide compounds… | Expired / Lapsed | 1992-11-16 | — | 10 | Details |
| EP0464480A1 | Improved slotted suture anchor | Expired / Lapsed | 1991-06-20 | — | 14 | Details |
| EP0424687A1 | Remote control console for surgical control system | Expired / Lapsed | 1990-10-17 | — | 13 | Details |
| EP0334046A2 | Surgical composite structure having absorbable and nonabsor… | Expired / Lapsed | 1989-02-24 | — | 11 | Details |
| EP0334024A2 | Prosthetic tubular article | Expired / Lapsed | 1989-02-20 | — | 11 | Details |
| EP0331899A2 | A method for the sequential oxidation of substituted-8-hydr… | Expired / Lapsed | 1989-02-02 | — | 10 | Details |
| EP0311984A2 | Improvements in or relating to electro-rheological fluids | Expired / Lapsed | 1988-10-11 | — | 22 | Details |
| EP0259687A2 | Method for the preparation of pyridine-2,3-dicarboxylic aci… | Expired / Lapsed | 1987-08-25 | — | 11 | Details |
| EP0239775A2 | Surgical repair device | Expired / Lapsed | 1987-02-20 | — | 11 | Details |
| EP0215313A2 | Emulsion compositions for the parenteral and/or oral admini… | Expired / Lapsed | 1986-08-19 | — | 18 | Details |
| EP0214501A2 | Emulsion compositions for administration of sparingly water… | Expired / Lapsed | 1986-08-16 | — | 18 | Details |
| EP0211267A2 | Continuous release peptide compositions | Expired / Lapsed | 1986-07-10 | — | 12 | Details |
| EP0202444A2 | Prosthetic tubular article | Expired / Lapsed | 1986-04-07 | — | 11 | Details |
| EP0193917A2 | Water dispersible and water soluble carbohydrate polymer co… | Expired / Lapsed | 1986-03-03 | — | 30 | Details |
| EP0178469A2 | Nonmetallic surgical clip | Expired / Lapsed | 1985-09-14 | — | 11 | Details |
| GB2162782A | Improved surgical instrument | Expired / Lapsed | 1985-07-05 | — | 12 | Details |
| EP0108912A2 | Poly(glycolic acid)/poly(alkylene glycol)block copolymers a… | Expired / Lapsed | 1983-10-05 | — | 12 | Details |
| EP0098394A1 | Synthetic copolymer surgical articles and method of manufac… | Expired / Lapsed | 1983-06-07 | — | 12 | Details |
| EP0068046A2 | Surgical ligating instrument | Expired / Lapsed | 1981-11-23 | — | 24 | Details |
| EP0070923A2 | Anastomotic device and method | Expired / Lapsed | 1981-10-26 | — | 13 | Details |
| EP0059778A1 | Staple extracting instrument | Expired / Lapsed | 1981-07-22 | — | 13 | Details |
| EP0040683A2 | Surgical stapling instrument | Expired / Lapsed | 1981-03-25 | — | 13 | Details |
| AU6872881A | Surgical stapler | Expired / Lapsed | 1981-03-25 | — | 1 | Details |
| FR2391734A1 | SURGICAL ARTICLES MADE OF POLYESTERS, THEIR MANUFACTURING P… | Expired / Lapsed | 1978-05-23 | — | 0 | Details |
| GB1604177A | Surgical articles formed from copolymeric lactide polyesters | Expired / Lapsed | 1978-04-28 | — | 16 | Details |
| GB1604178A | Lactide polyester copolymer | Expired / Lapsed | 1978-04-28 | — | 9 | Details |
| DE2549912A1 | DEVICE FOR PRESENTING INFORMATION | Expired / Lapsed | 1975-11-06 | — | 0 | Details |
| FR2267748A1 | FR2267748A1 - - Google Patents | Expired / Lapsed | 1975-04-18 | — | 0 | Details |
| DE2206144A1 | COPOLYMERS ABSORBABLE BY LIVING MAMMALIAN TISSUES | Expired / Lapsed | 1972-02-09 | — | 0 | Details |
| FR2156513A1 | FR2156513A1 - - Google Patents | Expired / Lapsed | 1972-01-17 | — | 0 | Details |
| GB942374A | Sterilization of sutures | Expired / Lapsed | 1962-08-22 | — | 0 | Details |
| GB913158A | Coated non-absorbable surgical sutures | Expired / Lapsed | 1959-10-02 | — | 0 | Details |
| GB540168A | Resinous compositions and methods of preparing same | Expired / Lapsed | 1939-12-28 | — | 0 | Details |
| EP0202444B1 | Prosthetic tubular article | Expired / Lapsed | 1986-04-07 | 1995-10-18 | 5 | Details |
| US5417246A | Pneumatic controls for ophthalmic surgical system | Expired / Lapsed | 1993-09-27 | 1995-05-23 | 6 | Details |
| DE2850824C2 | Surgical articles and process for their preparation | Expired / Lapsed | 1978-11-23 | 1995-03-16 | 0 | Details |
| US5334379A | Cytokine and hormone carriers for conjugate vaccines | Expired / Lapsed | 1990-07-16 | 1994-08-02 | 21 | Details |
| US5281220A | Endoscopic instrument | Expired / Lapsed | 1992-01-13 | 1994-01-25 | 9 | Details |
| US5242404A | Aspiration control system | Expired / Lapsed | 1992-02-12 | 1993-09-07 | 25 | Details |
| US5114720A | Gelatin coated tablets and method for producing same | Expired / Lapsed | 1990-12-27 | 1992-05-19 | 6 | Details |
| US5032638A | Bioabsorbable coating for a surgical device | Expired / Lapsed | 1986-09-05 | 1991-07-16 | 3 | Details |
| US4942875A | Surgical repair device having absorbable and nonabsorbable … | Expired / Lapsed | 1988-01-21 | 1990-07-24 | 10 | Details |
| US4870966A | Bioabsorbable surgical device for treating nerve defects | Expired / Lapsed | 1988-02-01 | 1989-10-03 | 20 | Details |
| US4837381A | Compositions for parenteral administration and their use | Expired / Lapsed | 1987-07-31 | 1989-06-06 | 34 | Details |
| US4820755A | Radiation sterilizable composition and articles made theref… | Expired / Lapsed | 1987-08-18 | 1989-04-11 | 24 | Details |
| DE2821570C2 | DE2821570C2 - - Google Patents | Expired / Lapsed | 1978-05-17 | 1989-04-06 | 0 | Details |
| US4816588A | Method for the preparation of pyridine-2,3-dicarboxylic aci… | Expired / Lapsed | 1987-08-19 | 1989-03-28 | 12 | Details |
| US4698256A | Articles coated with adherent diamondlike carbon films | Expired / Lapsed | 1984-04-02 | 1987-10-06 | 20 | Details |
| US4667673A | Anastomotic device applicator and method | Expired / Lapsed | 1984-03-12 | 1987-05-26 | 5 | Details |
| US4656308A | Ethers of acrylamidoglycolic acid and esters | Expired / Lapsed | 1985-09-05 | 1987-04-07 | 5 | Details |
| US4639356A | High technology ceramics with partially stabilized zirconia | Expired / Lapsed | 1985-11-05 | 1987-01-27 | 26 | Details |
| US4435387A | Poly-cation salts of bis (or tris) 4-O-polyhexose-thio-aryl… | Expired / Lapsed | 1982-10-25 | 1984-03-06 | 46 | Details |
| US4246904A | Surgical suture derived from segmented polyether-ester bloc… | Expired / Lapsed | 1979-01-29 | 1981-01-27 | 9 | Details |
| US4196192A | Combined Haemophilus influenzae type b and pertussis vaccine | Expired / Lapsed | 1977-10-28 | 1980-04-01 | 11 | Details |
| US4182341A | Eyed needle converted from a drilled end or channel end nee… | Expired / Lapsed | 1977-10-05 | 1980-01-08 | 9 | Details |
| US4175100A | Preparation of anionic polymers for use as scale inhibitors… | Expired / Lapsed | 1977-12-22 | 1979-11-20 | 6 | Details |
| US4163770A | Melt-spinning acrylonitrile polymer fibers | Expired / Lapsed | 1978-08-30 | 1979-08-07 | 7 | Details |
| US4147166A | Oral inhalator powder dispenser | Expired / Lapsed | 1977-05-02 | 1979-04-03 | 9 | Details |
| US4132753A | Process for preparing oral sustained release granules | Expired / Lapsed | 1967-11-03 | 1979-01-02 | 17 | Details |
| US4128612A | Making absorbable surgical felt | Expired / Lapsed | 1975-11-03 | 1978-12-05 | 7 | Details |
| US4122129A | Normally-solid, bioabsorbable, hydrolyzable, polymeric reac… | Expired / Lapsed | 1977-05-05 | 1978-10-24 | 2 | Details |
| US4118470A | Normally-solid, bioabsorbable, hydrolyzable, polymeric reac… | Expired / Lapsed | 1977-05-05 | 1978-10-03 | 3 | Details |
| US4101520A | Methylated, methylolated melamine composition | Expired / Lapsed | 1976-07-19 | 1978-07-18 | 2 | Details |
| US4095600A | Normally-solid, bioabsorbable, hydrolyzable, polymeric reac… | Expired / Lapsed | 1977-05-05 | 1978-06-20 | 3 | Details |
| US4087866A | Intraocular lens | Expired / Lapsed | 1977-04-26 | 1978-05-09 | 4 | Details |
| US4085166A | Impact resistant acrylic polymer composition | Expired / Lapsed | 1977-05-18 | 1978-04-18 | 9 | Details |
| US4080969A | Suture or ligature carrying on the exposed surface thereof … | Expired / Lapsed | 1975-05-29 | 1978-03-28 | 3 | Details |
| US4077406A | Pellet implanter for animal treatment | Expired / Lapsed | 1976-06-24 | 1978-03-07 | 3 | Details |
| US4074366A | Poly(N-acetyl-D-glucosamine) products | Expired / Lapsed | 1976-07-22 | 1978-02-21 | 5 | Details |
| US4064564A | Chitin derived surgical glove powder | Expired / Lapsed | 1976-11-03 | 1977-12-27 | 7 | Details |
| US4061602A | Conditioning shampoo composition containing a cationic deri… | Expired / Lapsed | 1976-08-03 | 1977-12-06 | 6 | Details |
| US4054144A | Short-crimp surgical needle | Expired / Lapsed | 1976-05-28 | 1977-10-18 | 3 | Details |
| US4047533A | Absorbable surgical sutures coated with polyoxyethylene-pol… | Expired / Lapsed | 1976-09-20 | 1977-09-13 | 24 | Details |
| US4048256A | Normally-solid, bioabsorbable, hydrolyzable, polymeric reac… | Expired / Lapsed | 1976-06-01 | 1977-09-13 | 16 | Details |
| US4048372A | Coating of cadmium stannate films onto plastic substrates | Expired / Lapsed | 1976-02-27 | 1977-09-13 | 10 | Details |
| US4046799A | α-Cyano benzyl-2-naphthaleneacetates | Expired / Lapsed | 1976-04-02 | 1977-09-06 | 7 | Details |
| US4045364A | Iodophor soap tissues | Expired / Lapsed | 1976-06-11 | 1977-08-30 | 6 | Details |
| US4043344A | Non-absorbable surgical sutures coated with polyoxyethylene… | Expired / Lapsed | 1976-09-20 | 1977-08-23 | 18 | Details |
| US4035478A | Clear, water-white hair conditioning composition | Expired / Lapsed | 1976-03-08 | 1977-07-12 | 6 | Details |
| US4033938A | Polymers of unsymmetrically substituted 1,4-dioxane-2,5-dio… | Expired / Lapsed | 1975-03-14 | 1977-07-05 | 7 | Details |
| US4027038A | Complement inhibitors | Expired / Lapsed | 1976-05-10 | 1977-05-31 | 22 | Details |
| US4021505A | Mar-resistant coating composition of reaction product of hy… | Expired / Lapsed | 1975-03-20 | 1977-05-03 | 11 | Details |
| US4008303A | Process for extruding green polyglycolic acid sutures and s… | Expired / Lapsed | 1972-08-03 | 1977-02-15 | 11 | Details |
| US3991766A | Controlled release of medicaments using polymers from glyco… | Expired / Lapsed | 1975-04-03 | 1976-11-16 | 8 | Details |
| US3987781A | Greenhouse window for solar heat absorbing systems derived … | Expired / Lapsed | 1975-05-27 | 1976-10-26 | 5 | Details |
| US3987780A | Greenhouse window for solar heat absorbing systems derived … | Expired / Lapsed | 1975-03-03 | 1976-10-26 | 2 | Details |
| US3985884A | Complement inhibitors | Expired / Lapsed | 1975-12-12 | 1976-10-12 | 11 | Details |
| US3960983A | Composition of matter comprising a blend of a polyether pol… | Expired / Lapsed | 1974-12-06 | 1976-06-01 | 16 | Details |
| US3954635A | Polyglycolic acid fiber finish and method | Expired / Lapsed | 1974-12-23 | 1976-05-04 | 7 | Details |
| US3950261A | Anhydrous liquid iodophor solution | Expired / Lapsed | 1975-05-29 | 1976-04-13 | 3 | Details |
| US3945961A | Novel cross-linking agents and their use in electrophoretic… | Expired / Lapsed | 1975-01-23 | 1976-03-23 | 8 | Details |
| US3937223A | Compacted surgical hemostatic felt | Expired / Lapsed | 1974-04-19 | 1976-02-10 | 12 | Details |
| US3917573A | Process for the preparation of water emulsifiable anionic r… | Expired / Lapsed | 1974-01-24 | 1975-11-04 | 11 | Details |
| US3914419A | Two compartment one unit consecutively injectable liquid vi… | Expired / Lapsed | 1975-01-10 | 1975-10-21 | 6 | Details |
| US3910282A | Needling monofilament sutures | Expired / Lapsed | 1974-05-22 | 1975-10-07 | 2 | Details |
| US3902497A | Body absorbable sponge and method of making | Expired / Lapsed | 1974-03-25 | 1975-09-02 | 9 | Details |
| US3897779A | Triamcinolone acetonide inhalation therapy | Expired / Lapsed | 1973-06-27 | 1975-08-05 | 2 | Details |
| US3896802A | Flexible flocked dressing | Expired / Lapsed | 1974-04-19 | 1975-07-29 | 13 | Details |
| US3894993A | Aminoplast crosslinking agents | Expired / Lapsed | 1973-11-21 | 1975-07-15 | 4 | Details |
| US3890283A | Process for post-polymerizing polyglycolic acid | Expired / Lapsed | 1973-06-04 | 1975-06-17 | 6 | Details |
| US3882872A | Method and apparatus for cataract surgery | Expired / Lapsed | 1973-04-25 | 1975-05-13 | 39 | Details |
| US3878284A | Processes for making shaped articles such as filaments or f… | Expired / Lapsed | 1973-02-13 | 1975-04-15 | 8 | Details |
| US3875937A | Surgical dressings of absorbable polymers | Expired / Lapsed | 1973-05-31 | 1975-04-08 | 15 | Details |
| US3867190A | Reducing capillarity of polyglycolic acid sutures | Expired / Lapsed | 1973-04-24 | 1975-02-18 | 7 | Details |
| US3847743A | Enzymes bound to carbonyl polymers | Expired / Lapsed | 1973-01-12 | 1974-11-12 | 12 | Details |
| US3846382A | Sterile medical dusting powder | Expired / Lapsed | 1973-07-27 | 1974-11-05 | 2 | Details |
| US3839857A | Electrochromic information displays | Expired / Lapsed | 1971-06-03 | 1974-10-08 | 10 | Details |
| US3815315A | Ethylene oxide sterilization of moisture sensitive surgical… | Expired / Lapsed | 1973-03-28 | 1974-06-11 | 3 | Details |
| US3811953A | Light-transmitting electrically conducting cadmium stannate… | Expired / Lapsed | 1971-09-20 | 1974-05-21 | 26 | Details |
| US3810458A | Minimizing tissue reaction to glove powder | Expired / Lapsed | 1973-04-10 | 1974-05-14 | 10 | Details |
| US3784585A | Water-degradable resins containing recurring,contiguous,pol… | Expired / Lapsed | 1971-10-21 | 1974-01-08 | 0 | Details |
| US3772420A | Method for improving the in-vivo strength of polyglycolic a… | Expired / Lapsed | 1971-09-07 | 1973-11-13 | 0 | Details |
| US3770700A | Novel carbonyl polymers | Expired / Lapsed | 1971-08-24 | 1973-11-06 | 0 | Details |
| US3756390A | Two-compartment aspirating disposable hypodermic syringe pa… | Expired / Lapsed | 1972-03-07 | 1973-09-04 | 3 | Details |
| US3745354A | Detector for reading bar codes on moving articles and havin… | Expired / Lapsed | 1971-04-23 | 1973-07-10 | 6 | Details |
| US3739773A | Polyglycolic acid prosthetic devices | Expired / Lapsed | 1971-06-28 | 1973-06-19 | 4 | Details |
| US3736646A | Method of attaching surgical needles to multifilament polyg… | Expired / Lapsed | 1971-10-18 | 1973-06-05 | 2 | Details |
| US3733386A | Process for producing acrylic synthetic fibers improved in … | Expired / Lapsed | 1971-04-13 | 1973-05-15 | 0 | Details |
| US3728839A | Storage stable surgically absorbable polyglycolic acid prod… | Expired / Lapsed | 1971-04-29 | 1973-04-24 | 5 | Details |
| US3728739A | Sterile surgical gloves | Expired / Lapsed | 1971-02-23 | 1973-04-24 | 2 | Details |
| US3698994A | Acrylic synthetic fibers having improved properties and pro… | Expired / Lapsed | 1971-01-27 | 1972-10-17 | 0 | Details |
| US3679614A | Method for making porous fibrous sheets containing polytetr… | Expired / Lapsed | 1969-11-24 | 1972-07-25 | 0 | Details |
| US3663389A | Method of electrodepositing novel coating | Expired / Lapsed | 1970-04-17 | 1972-05-16 | 5 | Details |
| US3663288A | Physiologically acceptible elastomeric article | Expired / Lapsed | 1969-09-04 | 1972-05-16 | 5 | Details |
| US3660338A | Amphoteric strengthening agents for paper | Expired / Lapsed | 1969-07-22 | 1972-05-02 | 0 | Details |
| US3649163A | Method for removing noncollagenous matter from mammalian gut | Expired / Lapsed | 1968-03-25 | 1972-03-14 | 0 | Details |
| US3644142A | Protective garment against white phosphorus | Expired / Lapsed | 1968-12-11 | 1972-02-22 | 4 | Details |
| US3644569A | Two-part adhesives comprising an isocyanate terminated prep… | Expired / Lapsed | 1968-11-19 | 1972-02-22 | 0 | Details |
| US3632387A | Porous teflon having grafted polymer layers on the walls of… | Expired / Lapsed | 1969-01-30 | 1972-01-04 | 9 | Details |
| US3626948A | Absorbable polyglycolic acid suture of enhanced in-vivo str… | Expired / Lapsed | 1968-12-23 | 1971-12-14 | 1 | Details |
| US3620218A | Cylindrical prosthetic devices of polyglycolic acid | Expired / Lapsed | 1969-08-25 | 1971-11-16 | 8 | Details |
| FR2075731A5 | FR2075731A5 - - Google Patents | Expired / Lapsed | 1971-01-19 | 1971-10-08 | 0 | Details |
| US3607858A | Process for preparing lyophilized human blood proteins such… | Expired / Lapsed | 1970-03-31 | 1971-09-21 | 3 | Details |
| US3604417A | Osmotic fluid reservoir for osmotically activated long-term… | Expired / Lapsed | 1970-03-31 | 1971-09-14 | 3 | Details |
| US3597409A | Process for recoverring immunoglobulin a and immunoglobulin… | Expired / Lapsed | 1970-05-25 | 1971-08-03 | 0 | Details |
| US3597450A | Preparation of glycolide polymerizable into polyglycolic ac… | Expired / Lapsed | 1969-11-05 | 1971-08-03 | 0 | Details |
| US3597449A | Stable glycolide and lactide composition | Expired / Lapsed | 1967-11-16 | 1971-08-03 | 0 | Details |
| US3578592A | Imidazoline quaternary salts as soil retardants | Expired / Lapsed | 1967-10-03 | 1971-05-11 | 0 | Details |
| US3565869A | Extrudable and stretchable polyglycolic acid and process fo… | Expired / Lapsed | 1968-12-23 | 1971-02-23 | 0 | Details |
| US3565077A | Densified absorbably polyglycolic acid suture braid, and me… | Expired / Lapsed | 1968-05-06 | 1971-02-23 | 3 | Details |
| US3544262A | Fibers of acrylonitrile-hydroxy ethyl methacrylate polymer … | Expired / Lapsed | 1967-01-24 | 1970-12-01 | 0 | Details |
| US3524536A | Packaged products utilizing a resin composition as a packag… | Expired / Lapsed | 1965-04-05 | 1970-08-18 | 0 | Details |
| US3524682A | Coal suspension pumping using polyelectrolytes | Expired / Lapsed | 1962-03-07 | 1970-08-18 | 2 | Details |
| US3521941A | Electro-optical device having variable optical density | Expired / Lapsed | 1967-02-07 | 1970-07-28 | 0 | Details |
| US3519462A | Method of impregnating polymethyl methacrylate | Expired / Lapsed | 1966-03-21 | 1970-07-07 | 0 | Details |
| US3513119A | Flame-retardant compositions for plastics comprising ethyle… | Expired / Lapsed | 1968-12-20 | 1970-05-19 | 0 | Details |
| US3496136A | Combinations of uv absorbers and melamine derivatives as st… | Expired / Lapsed | 1968-12-30 | 1970-02-17 | 0 | Details |
| US3483286A | Method for tanning absorbable surgical sutures | Expired / Lapsed | 1967-05-08 | 1969-12-09 | 0 | Details |
| US3470011A | Process for applying liquid biologicals to applicators for … | Expired / Lapsed | 1967-02-07 | 1969-09-30 | 0 | Details |
| US3468853A | Process of polymerizing a glycolide | Expired / Lapsed | 1966-06-15 | 1969-09-23 | 0 | Details |
| US3463158A | Polyglycolic acid prosthetic devices | Expired / Lapsed | 1967-01-09 | 1969-08-26 | 0 | Details |
| US3454529A | Process for the manufacture of benzoguanamine - melamine - … | Expired / Lapsed | 1966-04-20 | 1969-07-08 | 0 | Details |
| US3442871A | Process for polymerizing a glycolide | Expired / Lapsed | 1966-05-04 | 1969-05-06 | 0 | Details |
| US3427182A | Pigment sealing coats | Expired / Lapsed | 1965-05-12 | 1969-02-11 | 0 | Details |
| US3422181A | Method for heat setting of stretch oriented polyglycolic ac… | Expired / Lapsed | 1966-05-23 | 1969-01-14 | 0 | Details |
| US3414552A | Simultaneous hydrolysis and polymerization of acrylamides | Expired / Lapsed | 1964-06-29 | 1968-12-03 | 0 | Details |
| US3412245A | Method and apparatus of retrieval of coded information from… | Expired / Lapsed | 1966-02-09 | 1968-11-19 | 0 | Details |
| US3410837A | Recovering acrylonitrile polymers | Expired / Lapsed | 1965-11-24 | 1968-11-12 | 0 | Details |
| US3407249A | Porous, extensively fibrillated polytetrafluoroethylene and… | Expired / Lapsed | 1966-02-28 | 1968-10-22 | 2 | Details |
| US3405003A | Soil retardant composition containing a sulfonate-polyacryl… | Expired / Lapsed | 1965-02-18 | 1968-10-08 | 0 | Details |
| US3399094A | Method for forming tubular reinforced plastic members | Expired / Lapsed | 1967-01-25 | 1968-08-27 | 0 | Details |
| US3396419A | Disposable surgical scrub sponge and dispenser | Expired / Lapsed | 1966-06-02 | 1968-08-13 | 0 | Details |
| US3386956A | Low temperature curable epoxy resin adhesive compositions w… | Expired / Lapsed | 1966-04-25 | 1968-06-04 | 2 | Details |
| US3385576A | Apparatus for dispersing a gas in a liquid | Expired / Lapsed | 1967-05-02 | 1968-05-28 | 0 | Details |
| US3376973A | Package for surgical sutures | Expired / Lapsed | 1966-07-15 | 1968-04-09 | 0 | Details |
| US3359983A | Synthetic surgical sutures | Expired / Lapsed | 1963-01-23 | 1967-12-26 | 1 | Details |
| US3357550A | Combination reel and label for surgical sutures | Expired / Lapsed | 1966-06-23 | 1967-12-12 | 2 | Details |
| US3342180A | Disposable liquid-powder package and hypodermic syringe | Expired / Lapsed | 1964-04-24 | 1967-09-19 | 1 | Details |
| US3320221A | Method of producing acrylonitrile copolymers | Expired / Lapsed | 1961-11-24 | 1967-05-16 | 2 | Details |
| US3318975A | Mar-resistant polyesters | Expired / Lapsed | 1965-05-27 | 1967-05-09 | 2 | Details |
| US3311110A | Flexible composite suture having a tandem linkage | Expired / Lapsed | 1964-07-15 | 1967-03-28 | 2 | Details |
| US3309261A | Adhesion of urethane adhesives to metals | Expired / Lapsed | 1966-04-21 | 1967-03-14 | 3 | Details |
| US3305077A | Divisible, multi-compartment, doseindicating, separately-re… | Expired / Lapsed | 1964-08-25 | 1967-02-21 | 1 | Details |
| US3297033A | Surgical sutures | Expired / Lapsed | 1963-10-31 | 1967-01-10 | 2 | Details |
| US3294871A | Poly (tetrafluoroethylene)-thermoplastic resin composition | Expired / Lapsed | 1964-09-15 | 1966-12-27 | 2 | Details |
| US3290208A | Adhesive composition for metal to metal structural applicat… | Expired / Lapsed | 1963-04-23 | 1966-12-06 | 2 | Details |
| US3284394A | Aqueous dispersion of a copolymer of methylmethacrylate and… | Expired / Lapsed | 1965-03-24 | 1966-11-08 | 0 | Details |
| US3284301A | Plasmin sterilization | Expired / Lapsed | 1963-08-28 | 1966-11-08 | 2 | Details |
| US3282149A | Linear photoelectric refractometer | Expired / Lapsed | 1963-04-10 | 1966-11-01 | 2 | Details |
| US3275412A | Production of oxides by plasma process | Expired / Lapsed | 1965-02-04 | 1966-09-27 | 2 | Details |
| US3265763A | Mar-resistant unsaturated polyester resins | Expired / Lapsed | 1964-08-17 | 1966-08-09 | 2 | Details |
| US3246647A | Disposable intracutaneous injector | Expired / Lapsed | 1962-07-23 | 1966-04-19 | 2 | Details |
| US3206408A | Aqueous shampoo composition | Expired / Lapsed | 1961-04-07 | 1965-09-14 | 2 | Details |
| US3187752A | Non-absorbable silicone coated sutures and method of making | Expired / Lapsed | 1962-04-27 | 1965-06-08 | 1 | Details |
| US3152379A | Tow crimper closure | Expired / Lapsed | 1962-05-29 | 1964-10-13 | 1 | Details |
| US3137151A | Apparatus for continuous treatment of moving strands | Expired / Lapsed | 1960-09-22 | 1964-06-16 | 1 | Details |
| US3134686A | Durable antistatic finish and process for applying same | Expired / Lapsed | 1962-04-19 | 1964-05-26 | 2 | Details |
| US3134752A | Polystyrene color stabilized with trialkyl phenol and a ben… | Expired / Lapsed | 1962-01-30 | 1964-05-26 | 2 | Details |
| US3134810A | N-(3-halopropionamidomethyl) acrylamides | Expired / Lapsed | 1961-11-06 | 1964-05-26 | 2 | Details |
| US3130249A | Art of dehydrating fibers | Expired / Lapsed | 1962-06-19 | 1964-04-21 | 2 | Details |
| US3120504A | Art of producing acrylonitrile polymers | Expired / Lapsed | 1959-11-20 | 1964-02-04 | 2 | Details |
| US3098016A | Process for producing sterile vials containing culture medi… | Expired / Lapsed | 1961-07-26 | 1963-07-16 | 2 | Details |
| US3096289A | Dielectric plastic | Expired / Lapsed | 1961-08-11 | 1963-07-02 | 2 | Details |
| US3087837A | Process for treating cellulose containing textile material … | Expired / Lapsed | 1959-05-06 | 1963-04-30 | 2 | Details |
| US3083073A | Method for the fluid treatment of strands of elongated mate… | Expired / Lapsed | 1960-06-23 | 1963-03-26 | 2 | Details |
| US3083071A | Treatment of synthetic fiber tow | Expired / Lapsed | 1959-12-21 | 1963-03-26 | 2 | Details |
| US3082190A | Electrical grade aminotriazine-aldehyde-amine resinous comp… | Expired / Lapsed | 1960-08-01 | 1963-03-19 | 2 | Details |
| US3081479A | Applicator | Expired / Lapsed | 1960-05-23 | 1963-03-19 | 2 | Details |
| US3081278A | Thermosetting amine resins modified with a polyester and a … | Expired / Lapsed | 1958-06-16 | 1963-03-12 | 2 | Details |
| US3079279A | Blends of imidazolidinones and aminoplasts and method for f… | Expired / Lapsed | 1961-02-03 | 1963-02-26 | 1 | Details |
| US3069320A | Synergistic sanitizing process with neomycin and selected c… | Expired / Lapsed | 1958-11-18 | 1962-12-18 | 2 | Details |
| US3067053A | Pigment compositions | Expired / Lapsed | 1958-07-10 | 1962-12-04 | 4 | Details |
| US3065669A | Tissue culture chamber | Expired / Lapsed | 1960-07-19 | 1962-11-27 | 0 | Details |
| US3060127A | Method of solubilizing iron | Expired / Lapsed | 1960-07-05 | 1962-10-23 | 0 | Details |
| US3051702A | Process for the preparation of n1-alkanoylated sulfanilamid… | Expired / Lapsed | 1960-06-21 | 1962-08-28 | 2 | Details |
| US3044972A | Thermoplastic composition comprising a styrene polymer and … | Expired / Lapsed | 1959-03-11 | 1962-07-17 | 2 | Details |
| US3043067A | Suture package | Expired / Lapsed | 1953-08-04 | 1962-07-10 | 0 | Details |
| US3038475A | Surgical needles and manufacture of same | Expired / Lapsed | 1960-06-27 | 1962-06-12 | 0 | Details |
| US3036341A | Centrifugal casting of collagen to produce films and ribbons | Expired / Lapsed | 1957-12-23 | 1962-05-29 | 2 | Details |
| US3028372A | Art of producing polymers of acrylonitrile | Expired / Lapsed | 1961-05-26 | 1962-04-03 | 2 | Details |
| US3027241A | Air pollution measurement | Expired / Lapsed | 1959-12-01 | 1962-03-27 | 2 | Details |
| US3026872A | Hypodermic syringe | Expired / Lapsed | 1952-05-17 | 1962-03-27 | 0 | Details |
| US3025132A | Method of oxidizing hydrocarbon constituents of exhaust gas… | Expired / Lapsed | 1959-08-07 | 1962-03-13 | 0 | Details |
| US3017990A | Sterile package for surgical fabric | Expired / Lapsed | 1958-10-31 | 1962-01-23 | 2 | Details |
| US3015573A | Titanium dioxide pigment carrying an amine salt as dispersi… | Expired / Lapsed | 1959-04-14 | 1962-01-02 | 2 | Details |
| US3010455A | Intracutaneous injector with controlled entrance angle | Expired / Lapsed | 1960-08-29 | 1961-11-28 | 0 | Details |
| US3006871A | Method of making cellular furane ring compound modified ure… | Expired / Lapsed | 1959-06-23 | 1961-10-31 | 2 | Details |
| US2999590A | Minimum diameter measurement by digital flying spot scanner | Expired / Lapsed | 1960-08-29 | 1961-09-12 | 0 | Details |
| US2985192A | Double pinch valve | Expired / Lapsed | 1959-07-24 | 1961-05-23 | 0 | Details |
| US2980554A | Non-fibrous regenerated cellulose film containing anchoring… | Expired / Lapsed | 1959-01-27 | 1961-04-18 | 2 | Details |
| US2980589A | Process for producing anhydrous granulation of a medicinall… | Expired / Lapsed | 1958-09-12 | 1961-04-18 | 2 | Details |
| US2977329A | Rubber composition containing an amidine nitrite and method… | Expired / Lapsed | 1957-06-25 | 1961-03-28 | 2 | Details |
| US2976259A | 2, 2'-dihydroxy-4-alkoxybenzophenones as ultraviolet light … | Expired / Lapsed | 1956-09-05 | 1961-03-21 | 2 | Details |
| US2974787A | Single use, prepackaged vaccinator | Expired / Lapsed | 1960-05-10 | 1961-03-14 | 0 | Details |
| US2960752A | Method for producing a crimped tow | Expired / Lapsed | 1955-11-04 | 1960-11-22 | 0 | Details |
| US2956926A | Coated citric acid particles | Expired / Lapsed | 1958-09-23 | 1960-10-18 | 3 | Details |
| US2954769A | Aseptic liquid transfer apparatus | Expired / Lapsed | 1958-08-20 | 1960-10-04 | 0 | Details |
| US2953584A | Phosphinic acid derivatives and methods for preparing same | Expired / Lapsed | 1957-06-27 | 1960-09-20 | 4 | Details |
| US2951791A | Use of calcium silicate in tablet compressing | Expired / Lapsed | 1959-08-31 | 1960-09-06 | 2 | Details |
| US2949181A | Suture package and process of making same | Expired / Lapsed | 1958-11-13 | 1960-08-16 | 0 | Details |
| US2948999A | Manufacture of suture packages | Expired / Lapsed | 1957-09-24 | 1960-08-16 | 0 | Details |
| US2948581A | Method of producing a synthetic fiber | Expired / Lapsed | 1955-12-20 | 1960-08-09 | 2 | Details |
| US2940937A | Fluorescent printing ink | Expired / Lapsed | 1954-04-29 | 1960-06-14 | 2 | Details |
| US2936211A | Art of producing polyacrylonitrile filaments | Expired / Lapsed | 1957-04-18 | 1960-05-10 | 2 | Details |
| US2936265A | Proteolytic enzyme and methods for its production | Expired / Lapsed | 1954-10-25 | 1960-05-10 | 2 | Details |
| US2927573A | Recording cardiotachometer | Expired / Lapsed | 1955-11-30 | 1960-03-08 | 0 | Details |
| US2919160A | Apparatus for dispensing material | Expired / Lapsed | 1957-10-25 | 1959-12-29 | 0 | Details |
| US2917878A | Method of sterile packing | Expired / Lapsed | 1958-11-13 | 1959-12-22 | 2 | Details |
| US2917410A | Polyglycol-polyacid ester treatment of textiles | Expired / Lapsed | 1955-06-20 | 1959-12-15 | 0 | Details |
| US2906724A | Composition containing polymethylol melamine and an ammoniu… | Expired / Lapsed | 1957-03-21 | 1959-09-29 | 2 | Details |
| US2906423A | Closure puncturable by polyethylene needle | Expired / Lapsed | 1956-07-18 | 1959-09-29 | 0 | Details |
| US2895949A | Copolymers of acrylonitrile | Expired / Lapsed | 1953-08-20 | 1959-07-21 | 2 | Details |
| US2893548A | Surgical ligature dispenser | Expired / Lapsed | 1956-12-28 | 1959-07-07 | 0 | Details |
| US2889252A | Gelatin capsule containing hexylresorcinol and a lower poly… | Expired / Lapsed | 1956-05-14 | 1959-06-02 | 2 | Details |
| US2887215A | Plastic inserts for hypodermic syringe packages | Expired / Lapsed | 1955-11-29 | 1959-05-19 | 0 | Details |
| US2877252A | Heavy metal containing azine pigments | Expired / Lapsed | 1956-06-08 | 1959-03-10 | 4 | Details |
| US2868752A | Stable emulsion containing an acrylate, acrylic acid, and a… | Expired / Lapsed | 1955-09-23 | 1959-01-13 | 2 | Details |
| US2865376A | Gold plating surgical needles | Expired / Lapsed | 1956-03-27 | 1958-12-23 | 2 | Details |
| US2858727A | Device for the measurement of absolute turbidity | Expired / Lapsed | 1954-06-30 | 1958-11-04 | 0 | Details |
| US2850007A | Biopsy device | Expired / Lapsed | 1956-05-31 | 1958-09-02 | 0 | Details |
| US2846729A | Tow crimper | Expired / Lapsed | 1955-11-04 | 1958-08-12 | 0 | Details |
| US2841571A | Resinous composition | Expired / Lapsed | 1954-11-02 | 1958-07-01 | 2 | Details |
| US2824857A | Reaction products of an alkyleneimine and an organic carbon… | Expired / Lapsed | 1954-06-28 | 1958-02-25 | 2 | Details |
| US2822340A | Flame resistant polyester resinous compositions containing … | Expired / Lapsed | 1955-10-12 | 1958-02-04 | 2 | Details |
| US2820985A | Spinnerette insert and assembly | Expired / Lapsed | 1955-07-11 | 1958-01-28 | 2 | Details |
| US2819296A | Preparation of hydroxyalkyl acrylates | Expired / Lapsed | 1956-06-07 | 1958-01-07 | 2 | Details |
| US2819237A | Aqueous dispersions of a copolymer of an ethylenically unsa… | Expired / Lapsed | 1953-09-22 | 1958-01-07 | 2 | Details |
| US2812491A | Electrical tester for non-metallic linings | Expired / Lapsed | 1957-01-11 | 1957-11-05 | 2 | Details |
| US2810646A | Water-laid webs comprising water-fibrillated, wet-spun fila… | Expired / Lapsed | 1953-09-17 | 1957-10-22 | 2 | Details |
| US2806789A | Enhancement of therapeutic efficacy of antibiotics | Expired / Lapsed | 1954-09-10 | 1957-09-17 | 2 | Details |
| US2801984A | Resin-forming composition for stabilization of soil and pro… | Expired / Lapsed | 1955-08-15 | 1957-08-06 | 2 | Details |
| US2796362A | Surface treatment | Expired / Lapsed | 1955-06-29 | 1957-06-18 | 2 | Details |
| US2789340A | Bulky fabrics | Expired / Lapsed | 1955-11-14 | 1957-04-23 | 2 | Details |
| US2785149A | Aminotriazine reaction products | Expired / Lapsed | 1954-07-19 | 1957-03-12 | 2 | Details |
| US2777832A | Continuous process for the polymerization of acrylonitrile | Expired / Lapsed | 1951-05-22 | 1957-01-15 | 2 | Details |
| US2773685A | Weight recorder | Expired / Lapsed | 1951-06-19 | 1956-12-11 | 0 | Details |
| US2770629A | Preparation of phthalocyanine pigments | Expired / Lapsed | 1952-01-08 | 1956-11-13 | 2 | Details |
| US2769797A | Melamine resins modified with polyalkylene polyamine-halohy… | Expired / Lapsed | 1955-07-06 | 1956-11-06 | 2 | Details |
| US2769800A | Polyamine modified melamine-formaldehyde resins | Expired / Lapsed | 1955-07-06 | 1956-11-06 | 2 | Details |
| US2769713A | Method of making asbestos paper containing a tacky bonding … | Expired / Lapsed | 1953-03-27 | 1956-11-06 | 2 | Details |
| US2769796A | Melamine-formaldehyde-polyamine condensation product | Expired / Lapsed | 1953-03-20 | 1956-11-06 | 1 | Details |
| US2763571A | Non-fibrous regenerated cellulose film carrying an anchorin… | Expired / Lapsed | 1954-03-23 | 1956-09-18 | 2 | Details |
| US2761856A | Sulfonated methylol acrylamide copolymers | Expired / Lapsed | 1952-06-20 | 1956-09-04 | 2 | Details |
| US2748092A | Modified alkyd resin and process of preparing same | Expired / Lapsed | 1952-03-04 | 1956-05-29 | 2 | Details |
| US2745824A | Process for the polymerization of styrene and acrylonitrile | Expired / Lapsed | 1953-06-10 | 1956-05-15 | 2 | Details |
| US2740522A | Flotation of ores using addition polymers as depressants | Expired / Lapsed | 1953-04-07 | 1956-04-03 | 2 | Details |
| US2729969A | Method for automatic measurement of surface area and pore v… | Expired / Lapsed | 1951-04-26 | 1956-01-10 | 2 | Details |
| US2725487A | Pulse generator | Expired / Lapsed | 1950-03-04 | 1955-11-29 | 0 | Details |
| US2723178A | Method of controlling the migration of metallized dyes betw… | Expired / Lapsed | 1951-02-10 | 1955-11-08 | 2 | Details |
| US2721650A | Pinch-roll assembly | Expired / Lapsed | 1952-01-24 | 1955-10-25 | 0 | Details |
| US2711728A | Blood pressure measuring device | Expired / Lapsed | 1951-08-24 | 1955-06-28 | 2 | Details |
| US2710924A | Fluorimeter | Expired / Lapsed | 1954-01-13 | 1955-06-14 | 2 | Details |
| US2701391A | Drying polyacrylates | Expired / Lapsed | 1952-06-14 | 1955-02-08 | 2 | Details |
| US2701246A | Method of preparing a cyclic carbamate | Expired / Lapsed | 1953-08-04 | 1955-02-01 | 2 | Details |
| US2698970A | Tow crimper | Expired / Lapsed | 1951-11-24 | 1955-01-11 | 0 | Details |
| US2695353A | Constant temperature control apparatus | Expired / Lapsed | 1952-04-10 | 1954-11-23 | 0 | Details |
| US2688632A | Catalytic process for producing acrylonitrile | Expired / Lapsed | 1951-02-08 | 1954-09-07 | 2 | Details |
| US2681897A | Surface coating compositions comprising aminoplast resins a… | Expired / Lapsed | 1950-10-06 | 1954-06-22 | 2 | Details |
| US2680110A | Copolymers of nu-methylol acrylamide | Expired / Lapsed | 1952-04-17 | 1954-06-01 | 2 | Details |
| US2675338A | Process for post forming plywood | Expired / Lapsed | 1951-01-18 | 1954-04-13 | 2 | Details |
| US2668165A | Condensation products of higher fatty acids, polyalkylene p… | Expired / Lapsed | 1951-12-22 | 1954-02-02 | 3 | Details |
| US2661260A | Multiple range recorder | Expired / Lapsed | 1950-05-23 | 1953-12-01 | 0 | Details |
| US2654729A | Polymerizable compositions comprising an unsaturated quater… | Expired / Lapsed | 1952-07-28 | 1953-10-06 | 2 | Details |
| US2649478A | Long-chain alkylbenzenesulfonamide-ethylene oxide condensat… | Expired / Lapsed | 1949-06-22 | 1953-08-18 | 1 | Details |
| US2648642A | Medium oil alkyd resin surface coating materials and proces… | Expired / Lapsed | 1950-01-21 | 1953-08-11 | 2 | Details |
| US2648496A | Centrifugal apparatus for separating gases from liquids | Expired / Lapsed | 1946-12-03 | 1953-08-11 | 0 | Details |
| US2643230A | Universal ph indicator | Expired / Lapsed | 1950-09-12 | 1953-06-23 | 0 | Details |
| US2637321A | Shaped article and method of producing it | Expired / Lapsed | 1951-09-27 | 1953-05-05 | 2 | Details |
| US2636015A | Printing inks | Expired / Lapsed | 1950-10-06 | 1953-04-21 | 2 | Details |
| US2631989A | Compositions comprising an acrylonitrile polymerization pro… | Expired / Lapsed | 1952-02-08 | 1953-03-17 | 2 | Details |
| US2629740A | Polyether amines and a process for their production | Expired / Lapsed | 1948-05-04 | 1953-02-24 | 2 | Details |
| US2625541A | Azo dyes from 2-aminothiophene | Expired / Lapsed | 1950-10-19 | 1953-01-13 | 2 | Details |
| US2625552A | 2-(2'-hydroxy-3'-naphthoylamino)-thiophene | Expired / Lapsed | 1950-10-19 | 1953-01-13 | 0 | Details |
| US2624164A | Method of and apparatus for encapsulating liquid and semili… | Expired / Lapsed | 1950-11-16 | 1953-01-06 | 0 | Details |
| US2619447A | Injectable penicillin preparations | Expired / Lapsed | 1949-03-11 | 1952-11-25 | 2 | Details |
| US2610156A | Use of nonionic surface active agent in preparation of anio… | Expired / Lapsed | 1949-02-17 | 1952-09-09 | 2 | Details |
| US2607750A | Coprecipitation of thermoplastic resinous materials with ca… | Expired / Lapsed | 1947-12-26 | 1952-08-19 | 2 | Details |
| US2606810A | Treatment of wool-containing textile materials and products… | Expired / Lapsed | 1949-09-28 | 1952-08-12 | 2 | Details |
| US2606175A | Polymerizable compositions comprising 2-vinylbenzimidazole … | Expired / Lapsed | 1951-04-12 | 1952-08-05 | 2 | Details |
| US2605672A | Wernicke prism spectrometer | Expired / Lapsed | 1949-03-29 | 1952-08-05 | 0 | Details |
| US2603123A | Tristimulus integrator | Expired / Lapsed | 1950-03-04 | 1952-07-15 | 0 | Details |
| US2602824A | Method of producing liquid polymeric chlorotrifluoroethylene | Expired / Lapsed | 1949-03-31 | 1952-07-08 | 2 | Details |
| US2601597A | Application of dispersed coating materials to cellulosic fi… | Expired / Lapsed | 1946-09-06 | 1952-06-24 | 2 | Details |
| US2600623A | Modified alkyd resin reacted with styrene and an acrylonitr… | Expired / Lapsed | 1949-09-08 | 1952-06-17 | 2 | Details |
| US2600783A | Copolymers of dimethylstyrenes and vinyl acyclic compounds | Expired / Lapsed | 1948-07-20 | 1952-06-17 | 2 | Details |
| US2598663A | Copolymers of unsaturated alkyd resins and acrylamido compo… | Expired / Lapsed | 1948-04-21 | 1952-06-03 | 2 | Details |
| US2599359A | Adhesive materials and processes of assembling sheet materi… | Expired / Lapsed | 1946-03-21 | 1952-06-03 | 2 | Details |
| US2595907A | Polymerizable and polymerized acrylonitrile-dialkylaminopro… | Expired / Lapsed | 1950-12-30 | 1952-05-06 | 2 | Details |
| US2582961A | Treatment of flammable materials to impart flame resistance… | Expired / Lapsed | 1949-09-17 | 1952-01-22 | 1 | Details |
| US2582614A | Reaction products of ingredients comprising a polyethylene … | Expired / Lapsed | 1950-11-25 | 1952-01-15 | 2 | Details |
| US2580468A | Method of preparing an isocyanate | Expired / Lapsed | 1949-08-13 | 1952-01-01 | 2 | Details |
| US2579980A | Benzoguanamine resin surface coating materials and processe… | Expired / Lapsed | 1950-01-21 | 1951-12-25 | 2 | Details |
| US2576576A | Lubricated thread | Expired / Lapsed | 1946-04-19 | 1951-11-27 | 2 | Details |
| US2576073A | Fabricated structure comprising porous compositions of matt… | Expired / Lapsed | 1946-01-19 | 1951-11-20 | 2 | Details |
| US2573956A | Process for treating nonfibrous cellulosic film and resulti… | Expired / Lapsed | 1949-06-28 | 1951-11-06 | 2 | Details |
| US2569417A | Beneficiation of acidic minerals | Expired / Lapsed | 1948-03-10 | 1951-09-25 | 2 | Details |
| US2563897A | Sizing cellulosic fibers with cationic melamine resin and h… | Expired / Lapsed | 1945-07-13 | 1951-08-14 | 2 | Details |
| US2558735A | Method of forming dyed shaped articles from acrylonitrile p… | Expired / Lapsed | 1950-08-30 | 1951-07-03 | 2 | Details |
| US2558732A | Method of producing staple fiber from polymers and copolyme… | Expired / Lapsed | 1949-04-15 | 1951-07-03 | 2 | Details |
| US2558731A | Method of producing synthetic fibers from polymers and copo… | Expired / Lapsed | 1949-01-27 | 1951-07-03 | 2 | Details |
| US2558730A | Method of preparing shaped products from polymers and copol… | Expired / Lapsed | 1947-09-04 | 1951-07-03 | 2 | Details |
| US2557667A | Reaction products of a cyanuric triester and a polyhydric a… | Expired / Lapsed | 1947-01-10 | 1951-06-19 | 2 | Details |
| US2554475A | Process for producing cationic ureaformaldehyde resins and … | Expired / Lapsed | 1947-03-05 | 1951-05-22 | 2 | Details |
| US2554471A | Process of preparing surface finishings | Expired / Lapsed | 1946-10-25 | 1951-05-22 | 2 | Details |
| US2552329A | Poly-enolic organic compounds used to modify physical prope… | Expired / Lapsed | 1947-07-25 | 1951-05-08 | 0 | Details |
| US2546841A | Amino-aldehyde resin plasticized with a polyvinyl acetal an… | Expired / Lapsed | 1946-07-19 | 1951-03-27 | 2 | Details |
| US2542819A | Method of impregnating fibrous sheet materials | Expired / Lapsed | 1947-01-21 | 1951-02-20 | 2 | Details |
| US2540163A | Blood pressure measuring device | Expired / Lapsed | 1946-11-22 | 1951-02-06 | 0 | Details |
| US2540797A | Method and apparatus for color matching | Expired / Lapsed | 1945-11-02 | 1951-02-06 | 0 | Details |
| US2540059A | Method of and apparatus for measuring and filling powders v… | Expired / Lapsed | 1947-08-02 | 1951-01-30 | 0 | Details |
| US2536050A | Treatment of cellulosic textile materials and products ther… | Expired / Lapsed | 1947-11-10 | 1951-01-02 | 2 | Details |
| US2531756A | Turkey blackhead control composition | Expired / Lapsed | 1949-07-02 | 1950-11-28 | 2 | Details |
| US2531134A | Dimethyl phthalate solution of acetyl peroxide as catalyst … | Expired / Lapsed | 1946-03-12 | 1950-11-21 | 2 | Details |
| US2527300A | Copolymers of unsaturated sulfonic acids and polyunsaturate… | Expired / Lapsed | 1948-03-18 | 1950-10-24 | 2 | Details |
| US2525497A | Multibed cartridge for ion exchange | Expired / Lapsed | 1946-07-12 | 1950-10-10 | 1 | Details |
| US2524672A | Preparation of salts of phthalocyanine pigments | Expired / Lapsed | 1948-09-02 | 1950-10-03 | 2 | Details |
| US2524422A | Method of preparing organic acids | Expired / Lapsed | 1948-01-14 | 1950-10-03 | 2 | Details |
| US2517820A | Fluid-pressure controller | Expired / Lapsed | 1948-08-10 | 1950-08-08 | 0 | Details |
| US2512192A | Silicone resin medicament coating | Expired / Lapsed | 1948-05-26 | 1950-06-20 | 2 | Details |
| US2510503A | Polymers and copolymers of unsaturated triazines | Expired / Lapsed | 1946-10-02 | 1950-06-06 | 2 | Details |
| US2503209A | Unsaturated alkyd reacted with unsaturated isocyanate | Expired / Lapsed | 1948-01-30 | 1950-04-04 | 2 | Details |
| US2500113A | Moldable condensation products of silvered formaldehyde | Expired / Lapsed | 1947-03-21 | 1950-03-07 | 2 | Details |
| US2499653A | Treatment of protein-containing textile materials and produ… | Expired / Lapsed | 1946-10-17 | 1950-03-07 | 2 | Details |
| US2497074A | Modified urea-formaldehyde resins and methods of preparing … | Expired / Lapsed | 1947-03-05 | 1950-02-14 | 2 | Details |
| US2497046A | Fluorination of polymeric materials | Expired / Lapsed | 1945-10-12 | 1950-02-07 | 1 | Details |
| US2491409A | Copolymer of unsaturated fumarate alkyd resin | Expired / Lapsed | 1946-11-02 | 1949-12-13 | 0 | Details |
| US2491454A | Nonslip fabrics and method of preparation thereof | Expired / Lapsed | 1944-10-04 | 1949-12-13 | 0 | Details |
| US2490674A | Device for precision recording of x-ray diffraction patterns | Expired / Lapsed | 1948-07-13 | 1949-12-06 | 0 | Details |
| US2489985A | Process for impregnating fibrous materials and products the… | Expired / Lapsed | 1944-12-04 | 1949-11-29 | 0 | Details |
| US2489026A | Antifogging composition | Expired / Lapsed | 1946-07-02 | 1949-11-22 | 0 | Details |
| US2486304A | Process for producing organic crystallizing liquid stable p… | Expired / Lapsed | 1946-12-27 | 1949-10-25 | 0 | Details |
| US2485958A | Method of spinning collagen filaments | Expired / Lapsed | 1946-07-25 | 1949-10-25 | 0 | Details |
| US2485957A | Apparatus for treating strands | Expired / Lapsed | 1946-04-26 | 1949-10-25 | 0 | Details |
| US2486235A | Hard smooth craze-resistant surface coating | Expired / Lapsed | 1945-03-02 | 1949-10-25 | 0 | Details |
| US2485485A | Processes for removing anions from fluid media | Expired / Lapsed | 1946-06-27 | 1949-10-18 | 0 | Details |
| US2485079A | Colloidal melamine-urea-formaldehyde copolymer solutions | Expired / Lapsed | 1944-01-04 | 1949-10-18 | 0 | Details |
| US2483192A | Froth flotation of iron impurities from feldspar | Expired / Lapsed | 1945-11-24 | 1949-09-27 | 0 | Details |
| US2483244A | Wernicke prism spectrometers and improved liquids therefor | Expired / Lapsed | 1945-03-21 | 1949-09-27 | 0 | Details |
| US2481156A | Reaction products of a polyhydric alcohol and a triazine de… | Expired / Lapsed | 1946-12-20 | 1949-09-06 | 0 | Details |
| US2479090A | Thermosetting resins plasticized with polyesters | Expired / Lapsed | 1946-07-19 | 1949-08-16 | 0 | Details |
| US2479480A | Fatty acid condensation products of water-soluble thermopla… | Expired / Lapsed | 1946-04-18 | 1949-08-16 | 0 | Details |
| US2475846A | Alkylidene-bis-acrylamides | Expired / Lapsed | 1946-10-31 | 1949-07-12 | 0 | Details |
| US2475697A | Treatment of collagen strands | Expired / Lapsed | 1946-04-19 | 1949-07-12 | 0 | Details |
| US2475194A | Method of molding thermosetting compositions in glass molds | Expired / Lapsed | 1946-10-22 | 1949-07-05 | 0 | Details |
| US2473801A | Emulsions of polymerizable compositions | Expired / Lapsed | 1939-04-01 | 1949-06-21 | 0 | Details |
| US2471249A | Photometric apparatus and spectrophotometer using polarized… | Expired / Lapsed | 1944-12-27 | 1949-05-24 | 0 | Details |
| US2469684A | Anion active resins and processes of producing the same | Expired / Lapsed | 1946-03-16 | 1949-05-10 | 0 | Details |
| US2469693A | Anion active resins prepared from alkylene polyamines and h… | Expired / Lapsed | 1945-10-25 | 1949-05-10 | 0 | Details |
| US2468713A | Isocyanates and products prepared therefrom and methods of … | Expired / Lapsed | 1947-04-16 | 1949-04-26 | 0 | Details |
| US2468716A | Treatment of hydrogen-donor textile materials and products … | Expired / Lapsed | 1947-04-16 | 1949-04-26 | 0 | Details |
| US2463977A | Polyamide-polyester condensation products and processes of … | Expired / Lapsed | 1944-03-16 | 1949-03-08 | 0 | Details |
| US2458973A | Infrared spectrophotometry | Expired / Lapsed | 1943-09-25 | 1949-01-11 | 0 | Details |
| US2453665A | Compound optical element cemented with a polyester of fumar… | Expired / Lapsed | 1943-12-29 | 1948-11-09 | 0 | Details |
| US2449039A | Therapeutic composition | Expired / Lapsed | 1945-09-22 | 1948-09-07 | 0 | Details |
| US2445044A | Differential refractometer | Expired / Lapsed | 1945-11-09 | 1948-07-13 | 0 | Details |
| US2443741A | Polymerizable compositions containing unsaturated alkyd res… | Expired / Lapsed | 1944-09-21 | 1948-06-22 | 0 | Details |
| US2443740A | Compositions of unsaturated alkyd resins and polyallyl este… | Expired / Lapsed | 1944-06-13 | 1948-06-22 | 0 | Details |
| US2443735A | Emulsion copolymerization of unsaturated alkyd resins | Expired / Lapsed | 1943-06-12 | 1948-06-22 | 0 | Details |
| US2443427A | Infrared gas analyzer | Expired / Lapsed | 1944-08-29 | 1948-06-15 | 0 | Details |
| US2441341A | Dialkyl sulfosuccinate composition | Expired / Lapsed | 1946-05-27 | 1948-05-11 | 0 | Details |
| US2439373A | Flickering beam photometer | Expired / Lapsed | 1944-09-27 | 1948-04-06 | 0 | Details |
| US2438422A | Photometric apparatus giving readings invariant with azimut… | Expired / Lapsed | 1944-06-01 | 1948-03-23 | 0 | Details |
| US2436375A | Clarifier for lubricating coolants by means of frothe flota… | Expired / Lapsed | 1943-04-19 | 1948-02-24 | 0 | Details |
| US2434190A | Purification of fluids with silvered resins | Expired / Lapsed | 1942-10-13 | 1948-01-06 | 0 | Details |
| US2432968A | Multiwall container | Expired / Lapsed | 1944-03-14 | 1947-12-16 | 0 | Details |
| US2432023A | Process for the preparation of aryldialkylolamines | Expired / Lapsed | 1943-03-19 | 1947-12-02 | 0 | Details |
| US2431019A | Multicomponent-gas analyzer | Expired / Lapsed | 1944-08-29 | 1947-11-18 | 0 | Details |
| US2429404A | Medicinal preparations containing sulfonamides | Expired / Lapsed | 1942-12-30 | 1947-10-21 | 0 | Details |
| US2428328A | Process of removing bacteria from fluids | Expired / Lapsed | 1942-09-05 | 1947-09-30 | 0 | Details |
| US2427996A | Temperature compensator for refractometers | Expired / Lapsed | 1944-09-28 | 1947-09-23 | 0 | Details |
| US2426770A | Textile finishing composition comprising a methoxymethyl me… | Expired / Lapsed | 1942-02-07 | 1947-09-02 | 0 | Details |
| US2425192A | Polymerization of vinyl acetate alone or in mixtures, and p… | Expired / Lapsed | 1944-07-13 | 1947-08-05 | 0 | Details |
| US2420286A | Chemiluminescent compositions | Expired / Lapsed | 1943-03-03 | 1947-05-06 | 0 | Details |
| US2420157A | Resin finishing of textiles | Expired / Lapsed | 1943-02-12 | 1947-05-06 | 0 | Details |
| US2418397A | Life jacket dye marker | Expired / Lapsed | 1944-03-15 | 1947-04-01 | 0 | Details |
| US2414015A | Sulfosuccinate esters of p-tertiarybutylcyclohexanol | Expired / Lapsed | 1945-09-01 | 1947-01-07 | 0 | Details |
| US2413860A | Thermosetting resins containing glyceryl monoethers as flow… | Expired / Lapsed | 1943-08-24 | 1947-01-07 | 0 | Details |
| US2413660A | Flickering beam spectrophotometer | Expired / Lapsed | 1944-06-01 | 1946-12-31 | 0 | Details |
| US2413208A | Refractometer for chemical reactions | Expired / Lapsed | 1945-04-06 | 1946-12-24 | 0 | Details |
| US2411092A | Photoelectric turbidimeter | Expired / Lapsed | 1945-03-07 | 1946-11-12 | 0 | Details |
| US2410376A | Beneficiation of iron ores | Expired / Lapsed | 1943-04-05 | 1946-10-29 | 0 | Details |
| FR915080A | Process for the production of copolymerizable resins, and r… | Expired / Lapsed | 1945-04-25 | 1946-10-22 | 0 | Details |
| US2409633A | Polymers of unsaturated compounds and processes of producin… | Expired / Lapsed | 1943-07-17 | 1946-10-22 | 0 | Details |
| US2409883A | Resinous dibasic carboxylic acid salts of a guanidine as mo… | Expired / Lapsed | 1940-02-03 | 1946-10-22 | 0 | Details |
| US2408615A | Cation exchange resins and production thereof | Expired / Lapsed | 1944-03-30 | 1946-10-01 | 0 | Details |
| US2407376A | Colloidally dispersed dimethylol urea resins | Expired / Lapsed | 1942-10-31 | 1946-09-10 | 0 | Details |
| US2404367A | Water purification | Expired / Lapsed | 1942-10-07 | 1946-07-23 | 0 | Details |
| US2402032A | Treatment of interlining materials | Expired / Lapsed | 1944-08-03 | 1946-06-11 | 0 | Details |
| US2401599A | Preparation of acyl biurets | Expired / Lapsed | 1943-06-08 | 1946-06-04 | 0 | Details |
| US2394009A | Treatment of cellulosic materials | Expired / Lapsed | 1943-04-30 | 1946-02-05 | 0 | Details |
| US2393889A | Preparation of n, n'-dicycloaliphatic-p-phenylenediamines | Expired / Lapsed | 1941-11-29 | 1946-01-29 | 0 | Details |
| US2385469A | Production of acrylonitrile | Expired / Lapsed | 1942-01-14 | 1945-09-25 | 0 | Details |
| US2385383A | Process of preparing melamine resin and product thereof | Expired / Lapsed | 1940-09-13 | 1945-09-25 | 0 | Details |
| US2383075A | Spectrophotometer | Expired / Lapsed | 1942-04-29 | 1945-08-21 | 0 | Details |
| US2376311A | Photoelectric recording system | Expired / Lapsed | 1942-03-21 | 1945-05-15 | 0 | Details |
| US2375730A | Apparatus for conducting reactions in liquid phase | Expired / Lapsed | 1942-06-06 | 1945-05-08 | 0 | Details |
| US2371892A | Permanent finish for textiles | Expired / Lapsed | 1941-08-30 | 1945-03-20 | 0 | Details |
| US2370362A | Finishing of cloth | Expired / Lapsed | 1943-01-01 | 1945-02-27 | 0 | Details |
| US2359737A | Conditioning of pigments | Expired / Lapsed | 1941-11-08 | 1944-10-10 | 0 | Details |
| US2356767A | Process of producing polymeric materials | Expired / Lapsed | 1940-04-26 | 1944-08-29 | 0 | Details |
| US2349152A | Impregnating gauze | Expired / Lapsed | 1941-09-10 | 1944-05-16 | 0 | Details |
| US2345543A | Cationic melamine-formaldehyde resin solution | Expired / Lapsed | 1942-07-31 | 1944-03-28 | 0 | Details |
| US2344733A | Molding composition | Expired / Lapsed | 1941-01-28 | 1944-03-21 | 0 | Details |
| US2341846A | Polyhydric alcohol ethers of aliphatic polycarboxylic acid … | Expired / Lapsed | 1941-06-24 | 1944-02-15 | 0 | Details |
| US2339203A | Treatment of cellulosic textile material | Expired / Lapsed | 1941-08-30 | 1944-01-11 | 0 | Details |
| US2334148A | Pump | Expired / Lapsed | 1941-06-25 | 1943-11-09 | 0 | Details |
| US2329657A | Spectrophotometer | Expired / Lapsed | 1942-02-21 | 1943-09-14 | 0 | Details |
| US2329622A | Treatment of woolen textile materials | Expired / Lapsed | 1941-08-30 | 1943-09-14 | 0 | Details |
| US2328996A | Synchronous generator and motor stabilization | Expired / Lapsed | 1942-02-13 | 1943-09-07 | 0 | Details |
| US2328293A | Spectrophotometer monochromator drive | Expired / Lapsed | 1942-04-29 | 1943-08-31 | 0 | Details |
| US2328461A | Continuous recorder for color changes | Expired / Lapsed | 1941-08-14 | 1943-08-31 | 0 | Details |
| US2326698A | Coating composition containing polyvinyl acetate methylal | Expired / Lapsed | 1940-12-26 | 1943-08-10 | 0 | Details |
| US2320225A | Condensation products of amidines with alkylene oxides | Expired / Lapsed | 1941-01-30 | 1943-05-25 | 0 | Details |
| US2314800A | Infrared spectrophotometer | Expired / Lapsed | 1939-07-21 | 1943-03-23 | 0 | Details |
| US2312414A | Process for concentrating ore materials | Expired / Lapsed | 1941-09-04 | 1943-03-02 | 0 | Details |
| CA410200A | Curing catalyst for amine-aldehyde resins | Expired / Lapsed | — | 1943-01-26 | 0 | Details |
| US2305224A | Metallic receptacle | Expired / Lapsed | 1939-12-15 | 1942-12-15 | 0 | Details |
| US2301617A | Apparatus for conveying material | Expired / Lapsed | 1941-06-17 | 1942-11-10 | 0 | Details |
| US2294590A | Alkyd resins combined with aminotriazine-aldehyde resins | Expired / Lapsed | 1939-02-18 | 1942-09-01 | 0 | Details |
| US2293034A | Pest control composition | Expired / Lapsed | 1941-05-22 | 1942-08-18 | 0 | Details |
| US2291080A | Method of producing paper having high wet strength and prod… | Expired / Lapsed | 1940-02-06 | 1942-07-28 | 0 | Details |
| US2290132A | Chlorinated rubber coating composition | Expired / Lapsed | 1940-10-26 | 1942-07-14 | 0 | Details |
| US2286228A | Modified dicyandiamide condensation product | Expired / Lapsed | 1939-12-30 | 1942-06-16 | 0 | Details |
| US2285750A | Process of purifying water | Expired / Lapsed | 1940-07-31 | 1942-06-09 | 0 | Details |
| US2280993A | Turbidimeter | Expired / Lapsed | 1940-12-05 | 1942-04-28 | 0 | Details |
| US2280242A | Maleic anhydride-ethylene glycolmethallyl alcohol resin | Expired / Lapsed | 1939-12-13 | 1942-04-21 | 0 | Details |
| US2272711A | Catalytic dehydrogenation of terpenes to para-cymene | Expired / Lapsed | 1939-02-04 | 1942-02-10 | 0 | Details |
| US2269674A | Method for photometric analysis | Expired / Lapsed | 1939-08-22 | 1942-01-13 | 0 | Details |
| US2263335A | Gas analyzer | Expired / Lapsed | 1939-11-10 | 1941-11-18 | 0 | Details |
| US2259734A | Metallized acid polyazo dyes | Expired / Lapsed | 1939-10-31 | 1941-10-21 | 0 | Details |
| US2259735A | Metallized acid polyazo dyes | Expired / Lapsed | 1939-10-31 | 1941-10-21 | 0 | Details |
| US2259736A | Metallized acid polyazo dyes | Expired / Lapsed | 1939-10-31 | 1941-10-21 | 0 | Details |
| US2260111A | Apparatus for conducting chemical reactions at constant tem… | Expired / Lapsed | 1939-02-08 | 1941-10-21 | 0 | Details |
| US2259063A | Complex diaryl guanidine metal salt addition compounds and … | Expired / Lapsed | 1940-08-03 | 1941-10-14 | 0 | Details |
| US2259225A | Coloring composition for textiles | Expired / Lapsed | 1938-09-08 | 1941-10-14 | 0 | Details |
| US2257997A | Breaking petroleum emulsions | Expired / Lapsed | 1940-11-27 | 1941-10-07 | 0 | Details |
| US2257384A | Catalytic process | Expired / Lapsed | 1939-07-13 | 1941-09-30 | 0 | Details |
| US2255901A | Method of producing glazed chintz | Expired / Lapsed | 1939-04-05 | 1941-09-16 | 0 | Details |
| US2252386A | Manufacture of surface covering materials | Expired / Lapsed | 1939-10-28 | 1941-08-12 | 0 | Details |
| US2251234A | Process and product for removing anions | Expired / Lapsed | 1940-12-06 | 1941-07-29 | 0 | Details |
| US2249134A | Ester substituted cyanamide | Expired / Lapsed | 1940-04-02 | 1941-07-15 | 0 | Details |
| US2240438A | Glass sealing plug for blasting caps | Expired / Lapsed | 1938-12-21 | 1941-04-29 | 0 | Details |
| US2238973A | Sulphonamide compound in oil | Expired / Lapsed | 1940-07-26 | 1941-04-22 | 0 | Details |
| US2237950A | Direct current amplifier | Expired / Lapsed | 1940-03-19 | 1941-04-08 | 0 | Details |
| US2238021A | Ammoniated tall oil product and method of producing the same | Expired / Lapsed | 1938-08-23 | 1941-04-08 | 0 | Details |
| US2236379A | Monochromator | Expired / Lapsed | 1940-09-26 | 1941-03-25 | 0 | Details |
| US2235447A | Ester condensation products and method of producing the same | Expired / Lapsed | 1938-06-24 | 1941-03-18 | 0 | Details |
| US2233062A | Monochromator | Expired / Lapsed | 1938-08-13 | 1941-02-25 | 0 | Details |
| US2229272A | Depression of noncarbonaceous material during flotation | Expired / Lapsed | 1939-03-07 | 1941-01-21 | 0 | Details |
| US2229291A | Molding compounds | Expired / Lapsed | 1939-02-16 | 1941-01-21 | 0 | Details |
| US2223327A | Method of coating metals | Expired / Lapsed | 1939-03-04 | 1940-11-26 | 0 | Details |
| US2220397A | Metallized acid polyazo dyes | Expired / Lapsed | 1940-06-11 | 1940-11-05 | 0 | Details |
| US2218357A | Spectrophotometer and spectrophotometric analysis and predi… | Expired / Lapsed | 1939-03-24 | 1940-10-15 | 0 | Details |
| US2218474A | Plastic and coating composition | Expired / Lapsed | 1938-12-17 | 1940-10-15 | 0 | Details |
| US2215066A | Method for casting electric blasting cap plugs | Expired / Lapsed | 1938-12-22 | 1940-09-17 | 0 | Details |
| US2211628A | Sector photometer | Expired / Lapsed | 1939-02-09 | 1940-08-13 | 0 | Details |
| US2206575A | Spectrophotometer | Expired / Lapsed | 1938-04-16 | 1940-07-02 | 0 | Details |
| US2196901A | Photographic developer | Expired / Lapsed | 1939-11-06 | 1940-04-09 | 0 | Details |
| US2194910A | Spectrophotometer | Expired / Lapsed | 1938-09-07 | 1940-03-26 | 0 | Details |
| US2193188A | Noncapillary silk suture and method of preparing the same | Expired / Lapsed | 1938-06-16 | 1940-03-12 | 0 | Details |
| US2189270A | Photometer construction | Expired / Lapsed | 1938-09-07 | 1940-02-06 | 0 | Details |
| US2184166A | Package for explosives | Expired / Lapsed | 1937-05-27 | 1939-12-19 | 0 | Details |
| US2142305A | Building unit and construction | Expired / Lapsed | 1932-09-13 | 1939-01-03 | 0 | Details |
| US2127661A | Decking | Expired / Lapsed | 1935-09-24 | 1938-08-23 | 0 | Details |
| US2028091A | Esters of sulphodicarboxylic acids | Expired / Lapsed | 1933-07-28 | 1936-01-14 | 0 | Details |
| US1998117A | Device for molding slabs | Expired / Lapsed | 1934-02-08 | 1935-04-16 | 0 | Details |
| US1995292A | Manufacture of sulphuric acid | Expired / Lapsed | 1929-09-05 | 1935-03-26 | 0 | Details |
| US1975253A | Package | Expired / Lapsed | 1932-05-07 | 1934-10-02 | 0 | Details |
| US1947971A | Method of granulating cyanamide | Expired / Lapsed | 1932-04-27 | 1934-02-20 | 0 | Details |