Celanese Corp
Celanese CActive Patents
0
Total Holdings
319
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0097509A2 | Erasable recording medium comprising a dimer acid polyamide… | Expired / Lapsed | 1983-06-20 | — | 21 | Details |
| GB776410A | Novelty yarn and method and apparatus for the production th… | Expired / Lapsed | 1955-05-26 | — | 0 | Details |
| GB582006A | Improvements in or relating to the production of insulating… | Expired / Lapsed | 1944-02-24 | — | 0 | Details |
| US4692290A | Process for devolatilizing molten oxymethylene polymer | Expired / Lapsed | 1985-11-12 | 1987-09-08 | 12 | Details |
| US4581399A | Method for the melt processing of thermotropic liquid cryst… | Expired / Lapsed | 1982-09-30 | 1986-04-08 | 45 | Details |
| US4487735A | Process for preparing film of poly{[benzo(1,2-d:4,5-d')bist… | Expired / Lapsed | 1983-04-11 | 1984-12-11 | 18 | Details |
| US4460735A | Blend of polycarbonate and wholly aromatic polyester | Expired / Lapsed | 1980-07-03 | 1984-07-17 | 29 | Details |
| US4405798A | Acrylate and methacrylate monoesters of pentaerythritol and… | Expired / Lapsed | 1981-03-30 | 1983-09-20 | 4 | Details |
| US4351918A | Poly(ester-amide) capable of forming an anisotropic melt ph… | Expired / Lapsed | 1981-04-06 | 1982-09-28 | 42 | Details |
| US4267289A | Blend of wholly aromatic polyesters | Expired / Lapsed | 1980-07-03 | 1981-05-12 | 41 | Details |
| US4265802A | Polyester of para-hydroxy benzoic acid, 1,4-bis(para-carbox… | Expired / Lapsed | 1980-01-04 | 1981-05-05 | 28 | Details |
| US4265976A | Radiation-curable coated article having moisture barrier pr… | Expired / Lapsed | 1979-09-17 | 1981-05-05 | 7 | Details |
| US4201728A | Hydroformylation catalyst and process | Expired / Lapsed | 1977-08-19 | 1980-05-06 | 30 | Details |
| US4185050A | Pressure sensitive adhesive compositions comprising a mixtu… | Expired / Lapsed | 1978-12-26 | 1980-01-22 | 14 | Details |
| US4130545A | Melt processable thermotropic wholly aromatic polyester com… | Expired / Lapsed | 1977-09-12 | 1978-12-19 | 20 | Details |
| US4105637A | Process for producing a polyacetal polymer | Expired / Lapsed | 1974-10-11 | 1978-08-08 | 20 | Details |
| US4083829A | Melt processable thermotropic wholly aromatic polyester | Expired / Lapsed | 1977-04-20 | 1978-04-11 | 27 | Details |
| US4077859A | Polyunsaturated halogenated monomers for use in ultraviolet… | Expired / Lapsed | 1976-10-04 | 1978-03-07 | 9 | Details |
| US4071503A | Polycarbodiimide modification of polyesters for extrusion a… | Expired / Lapsed | 1976-08-19 | 1978-01-31 | 19 | Details |
| US4067852A | Melt processable thermotropic wholly aromatic polyester con… | Expired / Lapsed | 1976-05-13 | 1978-01-10 | 13 | Details |
| US4063887A | Method for improving the water absorption of polyester fibe… | Expired / Lapsed | 1976-07-22 | 1977-12-20 | 38 | Details |
| US4058582A | Simultaneous stretching of multiple plies of polymeric film | Expired / Lapsed | 1973-05-30 | 1977-11-15 | 4 | Details |
| US4048277A | Splice for use during the thermal stabilization of a flat m… | Expired / Lapsed | 1975-12-15 | 1977-09-13 | 8 | Details |
| US3946100A | Process for the expeditious formation and structural modifi… | Expired / Lapsed | 1973-09-26 | 1976-03-23 | 36 | Details |
| US3932682A | Air permeable waterproof products having fabric-like aesthe… | Expired / Lapsed | 1972-04-26 | 1976-01-13 | 4 | Details |
| US3914494A | Pervious low density carbon fiber reinforced composite arti… | Expired / Lapsed | 1974-07-31 | 1975-10-21 | 11 | Details |
| US3880966A | Corona treated microporous film | Expired / Lapsed | 1973-08-27 | 1975-04-29 | 9 | Details |
| US3874159A | Yarn process | Expired / Lapsed | 1972-09-20 | 1975-04-01 | 8 | Details |
| US3872001A | Removal of heavy metal pollutants from aqueous media | Expired / Lapsed | 1973-05-31 | 1975-03-18 | 6 | Details |
| US3846833A | Acrylic filaments which are particularly suited for thermal… | Expired / Lapsed | 1972-04-17 | 1974-11-05 | 3 | Details |
| US3843761A | Process for preparing a thermoplastic microporous film invo… | Expired / Lapsed | 1973-05-30 | 1974-10-22 | 16 | Details |
| US3823448A | Multi-purpose fluid yarn treating apparatus | Expired / Lapsed | 1971-09-28 | 1974-07-16 | 4 | Details |
| US3818082A | Process for the production of carbonaceous tapes | Expired / Lapsed | 1971-02-03 | 1974-06-18 | 12 | Details |
| US3755230A | Stabilized polyacrylonitrile compositions with sulfur-phosp… | Expired / Lapsed | 1971-04-22 | 1973-08-28 | 22 | Details |
| US3752866A | Polycarbonate modified polyesters of reduced carboxyl groups | Expired / Lapsed | 1971-03-23 | 1973-08-14 | 0 | Details |
| US3733801A | Yarn process | Expired / Lapsed | 1971-07-01 | 1973-05-22 | 11 | Details |
| US3708970A | Yarn process | Expired / Lapsed | 1971-01-29 | 1973-01-09 | 14 | Details |
| US3707430A | Selectively dispersible sanitary structures | Expired / Lapsed | 1970-06-12 | 1972-12-26 | 0 | Details |
| US3703753A | Method for producing a bulked yarn and apparatus therefor | Expired / Lapsed | 1971-05-05 | 1972-11-28 | 15 | Details |
| US3699054A | Copper chromite hydrogenation catalyst regeneration process | Expired / Lapsed | 1971-04-29 | 1972-10-17 | 0 | Details |
| US3690977A | Method for making air-permeable waterproof products having … | Expired / Lapsed | 1970-06-04 | 1972-09-12 | 0 | Details |
| US3679538A | Novel open-celled microporous film | Expired / Lapsed | 1970-10-28 | 1972-07-25 | 0 | Details |
| US3669931A | Polyethylene terephthalate films containing hydrated alumin… | Expired / Lapsed | 1970-07-07 | 1972-06-13 | 5 | Details |
| US3656910A | Induction furnace having improved susceptor for use in the … | Expired / Lapsed | 1970-06-16 | 1972-04-18 | 11 | Details |
| US3655857A | Process for preparing acrylonitrile polymer solution | Expired / Lapsed | 1968-10-02 | 1972-04-11 | 0 | Details |
| US3651633A | Flange false twist textured nylon | Expired / Lapsed | 1970-10-27 | 1972-03-28 | 16 | Details |
| US3634575A | Melt extrusion of acrylonitrile polymers | Expired / Lapsed | 1968-10-02 | 1972-01-11 | 0 | Details |
| US3603043A | Cohered yarn fabrics and method for forming said yarn | Expired / Lapsed | 1968-12-05 | 1971-09-07 | 7 | Details |
| US3577438A | Method of producing oxetane esters | Expired / Lapsed | 1967-03-13 | 1971-05-04 | 0 | Details |
| US3567665A | Polyurethane resins containing brominated polyol ethers | Expired / Lapsed | 1967-11-16 | 1971-03-02 | 0 | Details |
| US3558764A | Process for preparing microporous film | Expired / Lapsed | 1969-06-23 | 1971-01-26 | 0 | Details |
| US3539295A | Thermal stabilization and carbonization of acrylic fibrous … | Expired / Lapsed | 1968-08-05 | 1970-11-10 | 0 | Details |
| US3533825A | Method for carbonizing textiles | Expired / Lapsed | 1967-04-04 | 1970-10-13 | 0 | Details |
| US3513110A | Open-celled low density filamentary material | Expired / Lapsed | 1965-10-01 | 1970-05-19 | 0 | Details |
| US3481136A | Process for producing polyester yarn | Expired / Lapsed | 1967-12-11 | 1969-12-02 | 0 | Details |
| US3474163A | Process of spinning filaments of vinylidene cyanide | Expired / Lapsed | 1967-11-22 | 1969-10-21 | 0 | Details |
| US3442866A | Process for producing finely divided solid acetal copolymers | Expired / Lapsed | 1966-01-07 | 1969-05-06 | 0 | Details |
| US3429354A | Tire cord constructions and tires made therewith | Expired / Lapsed | 1966-02-07 | 1969-02-25 | 0 | Details |
| US3426754A | Breathable medical dressing | Expired / Lapsed | 1966-09-14 | 1969-02-11 | 2 | Details |
| US3418280A | Stabilization of oxymethylene copolymers by alkaline hydrol… | Expired / Lapsed | 1964-12-31 | 1968-12-24 | 0 | Details |
| US3386932A | Novel cellulosics, segmented copolymers, and methods of pre… | Expired / Lapsed | 1965-12-22 | 1968-06-04 | 3 | Details |
| US3386931A | Copolymers of cellulose triesters and isocyanate containing… | Expired / Lapsed | 1965-08-16 | 1968-06-04 | 0 | Details |
| US3386930A | Synthetic filaments of polyanhydroglucose triester copolyme… | Expired / Lapsed | 1964-09-25 | 1968-06-04 | 0 | Details |
| US3357074A | Apparatus for the production of fluid entangled non-woven f… | Expired / Lapsed | 1965-12-28 | 1967-12-12 | 2 | Details |
| US3357076A | Yarn and fabrics having stretch properties | Expired / Lapsed | 1965-12-27 | 1967-12-12 | 4 | Details |
| US3328362A | Preparation of modified polymers | Expired / Lapsed | 1964-01-30 | 1967-06-27 | 2 | Details |
| US3314840A | Process and apparatus for producing a non-woven fabric | Expired / Lapsed | 1961-08-01 | 1967-04-18 | 2 | Details |
| US3258443A | Latices for adhesives of terpolymer of acetate-acrylate-car… | Expired / Lapsed | 1961-07-13 | 1966-06-28 | 2 | Details |
| US3253818A | Mixing and shearing apparatus | Expired / Lapsed | 1963-06-17 | 1966-05-31 | 2 | Details |
| US3254053A | Trioxane polymerization process and apparatus | Expired / Lapsed | 1962-10-15 | 1966-05-31 | 2 | Details |
| US3248271A | Shaped oxymethylene thermoplastic polymer and method of sur… | Expired / Lapsed | 1961-05-08 | 1966-04-26 | 4 | Details |
| US3219623A | Stabilization of oxymethylene copolymers with an hydroxy co… | Expired / Lapsed | 1964-06-03 | 1965-11-23 | 2 | Details |
| US3209402A | Apparatus for producing multicom-ponent filaments and yarns | Expired / Lapsed | 1962-03-07 | 1965-10-05 | 1 | Details |
| US3208451A | Sanitary napkin | Expired / Lapsed | 1959-02-26 | 1965-09-28 | 2 | Details |
| US3206343A | Method of pile construction | Expired / Lapsed | 1958-12-23 | 1965-09-14 | 2 | Details |
| US3202565A | Molded brassieres | Expired / Lapsed | 1961-09-27 | 1965-08-24 | 2 | Details |
| US3202747A | Method for crimping wet spun cellulose triacetate | Expired / Lapsed | 1961-04-26 | 1965-08-24 | 2 | Details |
| US3180782A | Textile material and method for making same | Expired / Lapsed | 1961-03-09 | 1965-04-27 | 2 | Details |
| CA702918A | Tobacco substitute | Expired / Lapsed | — | 1965-02-02 | 0 | Details |
| US3154609A | Production of crimped filaments | Expired / Lapsed | 1962-03-29 | 1964-10-27 | 2 | Details |
| US3153316A | Bulky yarn and method of producing the yarn | Expired / Lapsed | 1962-05-15 | 1964-10-20 | 2 | Details |
| US3150481A | Loopy, gas jet bulked yarn and method | Expired / Lapsed | 1959-08-05 | 1964-09-29 | 2 | Details |
| US3144747A | Apparatus for producing a composite novelty slub yarn | Expired / Lapsed | 1959-05-05 | 1964-08-18 | 2 | Details |
| US3116267A | Oxymethylene polymers containing amide stabilizers | Expired / Lapsed | 1959-08-17 | 1963-12-31 | 2 | Details |
| US3064173A | Speed slaving method and apparatus | Expired / Lapsed | 1956-05-18 | 1962-11-13 | 0 | Details |
| US3057038A | Wet spun cellulose triacetate | Expired / Lapsed | 1958-04-21 | 1962-10-09 | 2 | Details |
| US3033240A | Pile carpet | Expired / Lapsed | 1958-12-19 | 1962-05-08 | 2 | Details |
| US3027352A | Copolymers | Expired / Lapsed | 1960-10-19 | 1962-03-27 | 2 | Details |
| US3022563A | Air jet | Expired / Lapsed | 1958-12-02 | 1962-02-27 | 0 | Details |
| US2989511A | Catalytic polymerization of trioxane | Expired / Lapsed | 1958-12-23 | 1961-06-20 | 2 | Details |
| US2982597A | Textile treating | Expired / Lapsed | 1954-12-02 | 1961-05-02 | 2 | Details |
| US2978752A | Processing tow | Expired / Lapsed | 1958-02-11 | 1961-04-11 | 0 | Details |
| US2968857A | High bulk filamentary material and methods of producing the… | Expired / Lapsed | 1957-07-30 | 1961-01-24 | 0 | Details |
| US2942402A | Process and apparatus for producing voluminous yarn | Expired / Lapsed | 1953-05-21 | 1960-06-28 | 2 | Details |
| US2869318A | Voluminous yarn | Expired / Lapsed | 1954-06-08 | 1959-01-20 | 2 | Details |
| US2861038A | Dewatering cellulose ester composition | Expired / Lapsed | 1955-03-03 | 1958-11-18 | 2 | Details |
| US2853451A | Lubricating agents | Expired / Lapsed | 1955-03-04 | 1958-09-23 | 2 | Details |
| US2803041A | Extrusion of plastic materials | Expired / Lapsed | 1953-02-11 | 1957-08-20 | 2 | Details |
| US2776947A | Polymer dispersions | Expired / Lapsed | 1952-10-31 | 1957-01-08 | 2 | Details |
| US2762330A | Apparatus for treating filamentary material | Expired / Lapsed | 1953-01-26 | 1956-09-11 | 0 | Details |
| US2712343A | Heat sealing machine | Expired / Lapsed | 1953-07-14 | 1955-07-05 | 0 | Details |
| US2706310A | Process for finishing organic thermoplastic sheeting | Expired / Lapsed | 1950-12-14 | 1955-04-19 | 2 | Details |
| US2692420A | Treatment of fibrous material | Expired / Lapsed | 1947-03-04 | 1954-10-26 | 2 | Details |
| US2681036A | Apparatus for distributing textile flock on a web | Expired / Lapsed | 1949-05-03 | 1954-06-15 | 0 | Details |
| US2680470A | Heat sealing machine | Expired / Lapsed | 1953-01-28 | 1954-06-08 | 0 | Details |
| US2673368A | Spinnerette | Expired / Lapsed | 1951-05-03 | 1954-03-30 | 0 | Details |
| US2623867A | Manufacture of polyurea-urethanes | Expired / Lapsed | 1949-09-14 | 1952-12-30 | 2 | Details |
| US2622961A | Gaseous treatment of filamentary textile material at supers… | Expired / Lapsed | 1948-04-17 | 1952-12-23 | 2 | Details |
| US2620283A | Process for the production of fibrous filter media | Expired / Lapsed | 1948-09-04 | 1952-12-02 | 2 | Details |
| US2607954A | Method and apparatus for forming gel-free thermoplastic fil… | Expired / Lapsed | 1950-06-17 | 1952-08-26 | 2 | Details |
| US2607980A | Staple fiber mixture and preparation of spun yarn therefrom | Expired / Lapsed | 1948-06-02 | 1952-08-26 | 2 | Details |
| US2595343A | Production of polyesters by reacting a dicarboxylic acid wi… | Expired / Lapsed | 1948-08-06 | 1952-05-06 | 2 | Details |
| US2589419A | Method of forming articles such as spectacle frames | Expired / Lapsed | 1948-06-24 | 1952-03-18 | 0 | Details |
| US2588584A | Spinning artificial filamentary materials | Expired / Lapsed | 1949-11-12 | 1952-03-11 | 0 | Details |
| US2588583A | Process for spinning | Expired / Lapsed | 1948-12-18 | 1952-03-11 | 0 | Details |
| US2586800A | Apparatus for the treatment of filamentary materials | Expired / Lapsed | 1946-10-23 | 1952-02-26 | 0 | Details |
| US2586105A | Treatment of textile materials | Expired / Lapsed | 1946-04-24 | 1952-02-19 | 2 | Details |
| US2581566A | Production of spun yarns | Expired / Lapsed | 1948-11-05 | 1952-01-08 | 2 | Details |
| US2579815A | Extrusion apparatus | Expired / Lapsed | 1948-11-27 | 1951-12-25 | 0 | Details |
| US2570381A | Stop motion for textile machines | Expired / Lapsed | 1947-12-13 | 1951-10-09 | 0 | Details |
| US2556260A | Process for coagulating polymer emulsions and recovering sp… | Expired / Lapsed | 1947-07-29 | 1951-06-12 | 0 | Details |
| US2550006A | Method of laminating fabrics | Expired / Lapsed | 1945-11-28 | 1951-04-24 | 0 | Details |
| US2547113A | Production of poly-ester-amides | Expired / Lapsed | 1947-12-02 | 1951-04-03 | 2 | Details |
| US2544798A | Sweatband | Expired / Lapsed | 1947-08-07 | 1951-03-13 | 0 | Details |
| US2544797A | Comforter | Expired / Lapsed | 1947-08-07 | 1951-03-13 | 0 | Details |
| US2536243A | Hollow article | Expired / Lapsed | 1943-03-18 | 1951-01-02 | 0 | Details |
| US2531539A | Apparatus for forming hollow thermoplastic containers by dr… | Expired / Lapsed | 1945-06-19 | 1950-11-28 | 0 | Details |
| US2524895A | Puckering a thermoplastic fabric by heating one side thereof | Expired / Lapsed | 1945-10-31 | 1950-10-10 | 1 | Details |
| US2518647A | Interferometer means for thickness measurements | Expired / Lapsed | 1948-01-07 | 1950-08-15 | 0 | Details |
| US2516267A | Process of sizing textiles and composition therefor | Expired / Lapsed | 1946-10-16 | 1950-07-25 | 2 | Details |
| US2504183A | Production of organic derivative of cellulose staple fibers… | Expired / Lapsed | 1947-06-12 | 1950-04-18 | 1 | Details |
| US2500332A | Covered and coated cord and fabric | Expired / Lapsed | 1946-12-28 | 1950-03-14 | 0 | Details |
| US2494646A | Woven fabric | Expired / Lapsed | 1945-07-27 | 1950-01-17 | 0 | Details |
| US2477773A | Chuck | Expired / Lapsed | 1945-03-20 | 1949-08-02 | 0 | Details |
| US2470835A | Yarn package support | Expired / Lapsed | 1945-04-05 | 1949-05-24 | 0 | Details |
| US2468906A | Precision measuring instrument having a thread for a motion… | Expired / Lapsed | 1945-01-04 | 1949-05-03 | 0 | Details |
| US2462938A | Oxidation reaction | Expired / Lapsed | 1945-07-03 | 1949-03-01 | 0 | Details |
| US2461612A | Dyeing of resins with polyhydroxy alcohol assistants | Expired / Lapsed | 1945-04-05 | 1949-02-15 | 0 | Details |
| US2461603A | Patterned textile material | Expired / Lapsed | 1944-07-14 | 1949-02-15 | 0 | Details |
| US2460376A | Plasticized lower fatty acid ester of cellulose | Expired / Lapsed | 1945-10-02 | 1949-02-01 | 0 | Details |
| US2450045A | Apparatus for the treatment of textile strands | Expired / Lapsed | 1943-01-15 | 1948-09-28 | 0 | Details |
| US2438156A | Pile materials and production thereof | Expired / Lapsed | 1943-06-05 | 1948-03-23 | 0 | Details |
| US2437687A | Melt extrusion of artificial filaments, films and the like … | Expired / Lapsed | 1944-12-07 | 1948-03-16 | 0 | Details |
| US2430920A | Electrically heated tool for uniting sheet material | Expired / Lapsed | 1944-12-29 | 1947-11-18 | 0 | Details |
| US2428835A | Dyeing of fabrics comprising cellulose acetate with an alco… | Expired / Lapsed | 1943-10-21 | 1947-10-14 | 0 | Details |
| US2406407A | Fiber treatment | Expired / Lapsed | 1944-08-26 | 1946-08-27 | 0 | Details |
| US2387723A | Manufacture of organic compounds | Expired / Lapsed | 1941-03-25 | 1945-10-30 | 0 | Details |
| US2387227A | Shatterproof plastic | Expired / Lapsed | 1942-03-20 | 1945-10-23 | 0 | Details |
| US2385110A | Treatment of textile materials | Expired / Lapsed | 1942-07-15 | 1945-09-18 | 0 | Details |
| US2384521A | Method for extruding thermoplastic compositions | Expired / Lapsed | 1940-04-16 | 1945-09-11 | 0 | Details |
| US2383047A | Process and apparatus for the production of plastic sheet m… | Expired / Lapsed | 1941-04-25 | 1945-08-21 | 0 | Details |
| US2380503A | Dyeing | Expired / Lapsed | 1941-11-15 | 1945-07-31 | 0 | Details |
| US2377933A | Composite fabric | Expired / Lapsed | 1941-07-31 | 1945-06-12 | 0 | Details |
| US2377846A | Light structure | Expired / Lapsed | 1941-12-19 | 1945-06-05 | 0 | Details |
| US2372669A | Process for the production of absorbent materials | Expired / Lapsed | 1941-06-18 | 1945-04-03 | 0 | Details |
| US2372695A | Production of thermoplastic materials in fibrous or cellula… | Expired / Lapsed | 1940-05-15 | 1945-04-03 | 0 | Details |
| US2354260A | Cellular material | Expired / Lapsed | 1941-04-26 | 1944-07-25 | 0 | Details |
| US2352245A | Textile material and the production thereof | Expired / Lapsed | 1942-03-10 | 1944-06-27 | 0 | Details |
| US2352244A | Textile material | Expired / Lapsed | 1942-03-05 | 1944-06-27 | 0 | Details |
| US2346759A | Textile product | Expired / Lapsed | 1941-05-21 | 1944-04-18 | 0 | Details |
| US2346240A | Stop motion for knitting machines and the like | Expired / Lapsed | 1943-03-23 | 1944-04-11 | 0 | Details |
| US2338792A | Method of preparing textile fabric | Expired / Lapsed | 1940-04-16 | 1944-01-11 | 0 | Details |
| US2335922A | Manufacture of artificial textile materials and the like | Expired / Lapsed | 1941-03-06 | 1943-12-07 | 0 | Details |
| US2334240A | Clamp tool | Expired / Lapsed | 1942-09-26 | 1943-11-16 | 0 | Details |
| US2328063A | Process of cutting fabric | Expired / Lapsed | 1940-05-10 | 1943-08-31 | 0 | Details |
| US2321108A | Manufacture of textile materials | Expired / Lapsed | 1939-06-24 | 1943-06-08 | 0 | Details |
| US2316283A | Preparation of plastic molding material | Expired / Lapsed | 1941-05-08 | 1943-04-13 | 0 | Details |
| US2314972A | Production of polymeric compounds | Expired / Lapsed | 1940-01-30 | 1943-03-30 | 0 | Details |
| US2313904A | Dim-out material | Expired / Lapsed | 1942-06-06 | 1943-03-16 | 0 | Details |
| US2313173A | Fabric treatment | Expired / Lapsed | 1940-05-25 | 1943-03-09 | 0 | Details |
| US2311013A | Apparatus for preparing stiffened fabrics | Expired / Lapsed | 1940-11-05 | 1943-02-16 | 0 | Details |
| US2308511A | Fabric treatment | Expired / Lapsed | 1940-07-30 | 1943-01-19 | 0 | Details |
| US2303340A | Production of artificial materials | Expired / Lapsed | 1940-05-08 | 1942-12-01 | 0 | Details |
| US2303339A | Manufacture of artificial materials | Expired / Lapsed | 1939-10-03 | 1942-12-01 | 0 | Details |
| US2303338A | Preparation of artificial filaments or threads | Expired / Lapsed | 1939-09-21 | 1942-12-01 | 0 | Details |
| US2296329A | Treatment of yarn | Expired / Lapsed | 1940-11-13 | 1942-09-22 | 0 | Details |
| US2296379A | Textile material | Expired / Lapsed | 1940-07-23 | 1942-09-22 | 0 | Details |
| US2292433A | Dyeing process | Expired / Lapsed | 1940-05-02 | 1942-08-11 | 0 | Details |
| US2290929A | Production of artificial filaments | Expired / Lapsed | 1940-03-20 | 1942-07-28 | 0 | Details |
| US2290249A | Injection molding | Expired / Lapsed | 1938-04-22 | 1942-07-21 | 0 | Details |
| US2287139A | Material for making rubber articles | Expired / Lapsed | 1939-02-21 | 1942-06-23 | 0 | Details |
| US2283266A | Distribution of fluids | Expired / Lapsed | 1940-03-07 | 1942-05-19 | 0 | Details |
| US2280055A | Transparent plastic materials | Expired / Lapsed | 1939-01-28 | 1942-04-21 | 0 | Details |
| US2277086A | Production of artificial materials | Expired / Lapsed | 1939-11-30 | 1942-03-24 | 0 | Details |
| US2271198A | Production of textile materials | Expired / Lapsed | 1939-06-30 | 1942-01-27 | 0 | Details |
| US2267117A | Treatment of textile fabrics | Expired / Lapsed | 1939-02-01 | 1941-12-23 | 0 | Details |
| US2265303A | Manufacture of plastic compositions | Expired / Lapsed | 1938-03-24 | 1941-12-09 | 0 | Details |
| US2264415A | Manufacture of artificial filaments, yarns, and similar mat… | Expired / Lapsed | 1938-02-23 | 1941-12-02 | 0 | Details |
| US2262872A | Method of preparing textile materials | Expired / Lapsed | 1938-06-01 | 1941-11-18 | 0 | Details |
| US2259515A | Dyeing cellulose derivative materials | Expired / Lapsed | 1939-04-22 | 1941-10-21 | 0 | Details |
| US2258659A | Method and device for coating sheet material | Expired / Lapsed | 1938-06-16 | 1941-10-14 | 0 | Details |
| US2257780A | Process for concentrating formaldehyde solutions | Expired / Lapsed | 1939-05-09 | 1941-10-07 | 0 | Details |
| US2257817A | Hydroxyalkylation of amines | Expired / Lapsed | 1939-03-16 | 1941-10-07 | 0 | Details |
| US2248048A | Thickener for decorating textiles of organic derivatives of… | Expired / Lapsed | 1938-10-22 | 1941-07-08 | 0 | Details |
| US2244832A | Production of textile threads | Expired / Lapsed | 1938-11-23 | 1941-06-10 | 0 | Details |
| US2242372A | Method of making porous articles | Expired / Lapsed | 1938-07-26 | 1941-05-20 | 0 | Details |
| US2238165A | Manufacture of textile and like materials | Expired / Lapsed | 1937-09-09 | 1941-04-15 | 0 | Details |
| US2236766A | Process of coating | Expired / Lapsed | 1937-12-30 | 1941-04-01 | 0 | Details |
| US2235165A | Printing textile materials containing organic derivatives o… | Expired / Lapsed | 1938-01-26 | 1941-03-18 | 0 | Details |
| US2234246A | Metallic composition | Expired / Lapsed | 1938-11-26 | 1941-03-11 | 0 | Details |
| US2230396A | Production of staple fibers from continuous filaments | Expired / Lapsed | 1939-03-07 | 1941-02-04 | 0 | Details |
| US2227911A | Production of staple fiber yarns and like products | Expired / Lapsed | 1939-10-03 | 1941-01-07 | 0 | Details |
| US2224922A | Handling of continuous filaments | Expired / Lapsed | 1938-10-06 | 1940-12-17 | 0 | Details |
| US2224923A | Manufacture of staple fiber yarn | Expired / Lapsed | 1938-10-06 | 1940-12-17 | 0 | Details |
| US2224293A | Method of treating fabrics and other materials | Expired / Lapsed | 1937-10-23 | 1940-12-10 | 0 | Details |
| US2220024A | Manufacture of staple fiber yarns | Expired / Lapsed | 1937-10-09 | 1940-10-29 | 0 | Details |
| US2219356A | Manufacture of staple fiber products from continuous filame… | Expired / Lapsed | 1937-07-23 | 1940-10-29 | 0 | Details |
| US2218633A | Textile material | Expired / Lapsed | 1938-04-05 | 1940-10-22 | 0 | Details |
| US2218628A | Coloration of textile and other materials | Expired / Lapsed | 1937-08-20 | 1940-10-22 | 0 | Details |
| US2216793A | Manufacture of colored artificial materials | Expired / Lapsed | 1938-01-22 | 1940-10-08 | 0 | Details |
| US2216810A | Manufacture of artificial yarns | Expired / Lapsed | 1936-06-03 | 1940-10-08 | 0 | Details |
| US2211079A | Laminated textile | Expired / Lapsed | 1938-04-08 | 1940-08-13 | 0 | Details |
| US2208652A | Safety paper | Expired / Lapsed | 1937-01-28 | 1940-07-23 | 0 | Details |
| US2207822A | Apparatus and process for making decorative films | Expired / Lapsed | 1937-06-04 | 1940-07-16 | 0 | Details |
| US2201992A | Treatment of textile yarns and filaments | Expired / Lapsed | 1939-03-25 | 1940-05-28 | 0 | Details |
| US2199429A | Textile material | Expired / Lapsed | 1937-08-20 | 1940-05-07 | 0 | Details |
| US2197856A | Manufacture of yarns containing staple fiber from yarns com… | Expired / Lapsed | 1937-02-04 | 1940-04-23 | 0 | Details |
| US2174573A | Production of crimped cellulose derivative yarns | Expired / Lapsed | 1937-04-07 | 1939-10-03 | 0 | Details |
| US2171626A | Fabric and its manufacture | Expired / Lapsed | 1936-08-12 | 1939-09-05 | 0 | Details |
| US2165506A | Method of making a composite fabric | Expired / Lapsed | 1937-02-25 | 1939-07-11 | 0 | Details |
| US2163674A | Treatment of pile fabrics | Expired / Lapsed | 1938-01-29 | 1939-06-27 | 0 | Details |
| US2163723A | Cellulose derivatives and method of preparing same | Expired / Lapsed | 1937-11-23 | 1939-06-27 | 0 | Details |
| US2158112A | Production of stiffened fabrics | Expired / Lapsed | 1936-08-20 | 1939-05-16 | 0 | Details |
| US2155519A | Textile yarn and fabric and method of making same | Expired / Lapsed | 1936-07-18 | 1939-04-25 | 0 | Details |
| US2153351A | Textile article | Expired / Lapsed | 1936-01-24 | 1939-04-04 | 0 | Details |
| US2152222A | Means for effecting intermittent treatment of running yarns… | Expired / Lapsed | 1937-09-18 | 1939-03-28 | 0 | Details |
| US2149498A | Composition for application to organic derivatives of cellu… | Expired / Lapsed | 1936-11-07 | 1939-03-07 | 0 | Details |
| US2145364A | Treatment of organic compounds | Expired / Lapsed | 1936-09-29 | 1939-01-31 | 0 | Details |
| US2142913A | Treatment of filaments, foils, and the like | Expired / Lapsed | 1938-02-26 | 1939-01-03 | 0 | Details |
| US2142912A | Treatment of cellulose derivative materials | Expired / Lapsed | 1937-12-27 | 1939-01-03 | 0 | Details |
| US2142722A | Manufacture of cellulose derivative materials | Expired / Lapsed | 1937-01-30 | 1939-01-03 | 0 | Details |
| US2139543A | Production of crimped artificial filaments, fibers, and the… | Expired / Lapsed | 1938-07-28 | 1938-12-06 | 0 | Details |
| US2138934A | Sulphonamide compounds | Expired / Lapsed | 1936-04-18 | 1938-12-06 | 0 | Details |
| US2136201A | Method of spinning artificial filaments | Expired / Lapsed | 1935-09-13 | 1938-11-08 | 0 | Details |
| US2135128A | Manufacture of derivatives of cellulose and other polymeric… | Expired / Lapsed | 1936-08-12 | 1938-11-01 | 0 | Details |
| US2130359A | Ornamental compound sheet material | Expired / Lapsed | 1936-03-03 | 1938-09-20 | 0 | Details |
| US2128338A | Colored organic derivatives of cellulose and method of maki… | Expired / Lapsed | 1934-07-25 | 1938-08-30 | 0 | Details |
| US2127586A | Pile fabric and method of making the same | Expired / Lapsed | 1933-12-05 | 1938-08-23 | 0 | Details |
| US2126833A | Reinforced textile material | Expired / Lapsed | 1935-08-22 | 1938-08-16 | 0 | Details |
| US2126821A | Composite fabric and method of making same | Expired / Lapsed | 1934-12-01 | 1938-08-16 | 0 | Details |
| US2126850A | Conductor and filaments therefor containing organic derivat… | Expired / Lapsed | 1934-07-26 | 1938-08-16 | 0 | Details |
| US2123153A | Printing and other textile treatments | Expired / Lapsed | 1936-03-28 | 1938-07-05 | 0 | Details |
| US2114320A | Water and moistureproof textile materials | Expired / Lapsed | 1933-11-14 | 1938-04-19 | 0 | Details |
| US2113953A | Drapery clip | Expired / Lapsed | 1936-02-19 | 1938-04-12 | 0 | Details |
| US2113935A | Textile material containing organic derivatives of cellulose | Expired / Lapsed | 1935-10-16 | 1938-04-12 | 0 | Details |
| US2111211A | Apparatus for the treatment of textile materials | Expired / Lapsed | 1936-10-20 | 1938-03-15 | 0 | Details |
| US2108836A | Artificial textile material and method of making same | Expired / Lapsed | 1935-04-03 | 1938-02-22 | 0 | Details |
| US2104809A | Device for twisting yarn | Expired / Lapsed | 1935-04-24 | 1938-01-11 | 0 | Details |
| US2102647A | Artificial effect material | Expired / Lapsed | 1930-09-16 | 1937-12-21 | 0 | Details |
| US2098981A | Yarn manufacture | Expired / Lapsed | 1934-01-26 | 1937-11-16 | 0 | Details |
| US2098980A | Yarn manufacture | Expired / Lapsed | 1933-01-14 | 1937-11-16 | 0 | Details |
| US2092009A | Saponification of materials consisting of or containing org… | Expired / Lapsed | 1934-12-06 | 1937-09-07 | 0 | Details |
| US2090924A | Artificial filament and method of making the same | Expired / Lapsed | 1934-05-01 | 1937-08-24 | 0 | Details |
| US2090669A | Artificial fiber | Expired / Lapsed | 1934-03-29 | 1937-08-24 | 0 | Details |
| US2089187A | Preparation and use of textile threads | Expired / Lapsed | 1935-05-18 | 1937-08-10 | 0 | Details |
| US2089239A | Apparatus for the treatment of artificial textile materials | Expired / Lapsed | 1934-12-19 | 1937-08-10 | 0 | Details |
| US2089238A | Crepe fabric and method of preparing same | Expired / Lapsed | 1934-02-02 | 1937-08-10 | 0 | Details |
| US2085512A | Manufacture of color master materials | Expired / Lapsed | 1934-10-20 | 1937-06-29 | 0 | Details |
| US2085047A | Porous and insulating materials | Expired / Lapsed | 1934-02-24 | 1937-06-29 | 0 | Details |
| US2082005A | Vessel | Expired / Lapsed | 1933-07-17 | 1937-06-01 | 0 | Details |
| US2077079A | Manufacture of staple fiber yarns from continuous filaments | Expired / Lapsed | 1935-05-28 | 1937-04-13 | 0 | Details |
| US2077078A | Manufacture of staple fiber yarns from continuous filaments | Expired / Lapsed | 1934-05-18 | 1937-04-13 | 0 | Details |
| US2076781A | Thermoplastic compositions and method of preparing the same | Expired / Lapsed | 1933-05-18 | 1937-04-13 | 0 | Details |
| US2073629A | Treatment of textile materials | Expired / Lapsed | 1933-10-06 | 1937-03-16 | 0 | Details |
| US2072858A | Production of colorations on materials | Expired / Lapsed | 1933-03-25 | 1937-03-09 | 0 | Details |
| US2072926A | Production of textile or other materials | Expired / Lapsed | 1931-01-05 | 1937-03-09 | 0 | Details |
| US2070600A | Process of coating | Expired / Lapsed | 1933-07-22 | 1937-02-16 | 0 | Details |
| US2067251A | Manufacture of textile materials | Expired / Lapsed | 1934-04-18 | 1937-01-12 | 0 | Details |
| US2067219A | Treatment of filaments, films, and textile fabrics | Expired / Lapsed | 1933-11-02 | 1937-01-12 | 0 | Details |
| US2067202A | Textile operation | Expired / Lapsed | 1932-08-04 | 1937-01-12 | 0 | Details |
| US2065124A | Production of artificial filaments, yarns, or threads | Expired / Lapsed | 1929-09-04 | 1936-12-22 | 0 | Details |
| US2057689A | Electrical conductor | Expired / Lapsed | 1931-11-27 | 1936-10-20 | 0 | Details |
| US2048248A | Textile product and method of making the same | Expired / Lapsed | 1933-08-21 | 1936-07-21 | 0 | Details |
| US2041798A | Production of artificial materials | Expired / Lapsed | 1931-12-12 | 1936-05-26 | 0 | Details |
| US2038724A | Antifreeze compound | Expired / Lapsed | 1933-10-19 | 1936-04-28 | 0 | Details |
| US2038722A | Production of textile materials | Expired / Lapsed | 1930-11-19 | 1936-04-28 | 0 | Details |
| US2036861A | Spinning of artificial filaments | Expired / Lapsed | 1929-11-27 | 1936-04-07 | 0 | Details |
| US2034008A | Artificial filament, yarn, or thread | Expired / Lapsed | 1930-08-19 | 1936-03-17 | 0 | Details |
| US2030066A | Plastic material and method of making same | Expired / Lapsed | 1934-06-29 | 1936-02-11 | 0 | Details |
| US2028776A | Cellulosic articles and method of preparing the same | Expired / Lapsed | 1932-04-23 | 1936-01-28 | 0 | Details |
| US2027451A | Means for conveying materials in the form of long webs or s… | Expired / Lapsed | 1934-04-06 | 1936-01-14 | 0 | Details |
| US2022391A | Method of making a textile fabric | Expired / Lapsed | 1932-03-07 | 1935-11-26 | 0 | Details |
| US2020687A | Apparatus for use in the manufacture of films and foils | Expired / Lapsed | 1933-01-11 | 1935-11-12 | 0 | Details |
| US2013688A | Apparatus for the manufacture of artificial filaments or th… | Expired / Lapsed | 1931-10-22 | 1935-09-10 | 0 | Details |
| US2010900A | Manufacture or treatment of yarns or filaments | Expired / Lapsed | 1933-12-19 | 1935-08-13 | 0 | Details |
| US2010078A | Production of staple fibers | Expired / Lapsed | 1932-04-14 | 1935-08-06 | 0 | Details |
| US2006540A | Textile material of low luster and method of making the same | Expired / Lapsed | 1929-10-05 | 1935-07-02 | 0 | Details |
| US2005785A | Treatment of filaments, threads, yarns, and the like | Expired / Lapsed | 1933-02-23 | 1935-06-25 | 0 | Details |
| US2003409A | Sizing and dyeing of textiles | Expired / Lapsed | 1933-10-03 | 1935-06-04 | 0 | Details |
| US2003400A | Manufacture of staple fiber yarns | Expired / Lapsed | 1933-06-23 | 1935-06-04 | 0 | Details |
| US1999404A | Method of making artificial bristles, straw, and the like | Expired / Lapsed | 1930-04-17 | 1935-04-30 | 0 | Details |
| US1996796A | Artificial filament, yarn, or thread | Expired / Lapsed | 1929-09-04 | 1935-04-09 | 0 | Details |
| US1995296A | Textile material | Expired / Lapsed | 1931-04-16 | 1935-03-26 | 0 | Details |
| US1994697A | Process of preparing polished top surfaces on wood | Expired / Lapsed | 1931-10-19 | 1935-03-19 | 0 | Details |
| US1993766A | Knitted fabrics and the manufacture thereof | Expired / Lapsed | 1932-10-05 | 1935-03-12 | 0 | Details |
| US1993790A | Distribution of fluids | Expired / Lapsed | 1931-12-23 | 1935-03-12 | 0 | Details |
| US1992259A | Treatment of textile filaments, yarns, threads, or the like | Expired / Lapsed | 1929-12-21 | 1935-02-26 | 0 | Details |
| US1990098A | Laminated product and method of making the same | Expired / Lapsed | 1932-11-29 | 1935-02-05 | 0 | Details |
| US1983330A | Manufacture of artificial filaments, threads, films, or the… | Expired / Lapsed | 1929-06-27 | 1934-12-04 | 0 | Details |
| US1978785A | Treatment of textile and other materials | Expired / Lapsed | 1932-04-04 | 1934-10-30 | 0 | Details |
| US1972923A | Process of producing textile materials and product thereof | Expired / Lapsed | 1929-06-15 | 1934-09-11 | 0 | Details |
| US1972166A | Molding cellulose derivative plastics | Expired / Lapsed | 1931-04-04 | 1934-09-04 | 0 | Details |
| US1959350A | Manufacture or treatment of textile or other material | Expired / Lapsed | 1929-12-21 | 1934-05-22 | 0 | Details |
| US1955825A | Method of spinning | Expired / Lapsed | 1930-10-29 | 1934-04-24 | 0 | Details |
| US1941710A | Composition containing derivatives of cellulose | Expired / Lapsed | 1929-11-07 | 1934-01-02 | 0 | Details |
| US1935263A | Treatment of fabrics | Expired / Lapsed | 1926-12-03 | 1933-11-14 | 0 | Details |
| US1926111A | Manufacture of artificial materials | Expired / Lapsed | 1930-09-16 | 1933-09-12 | 0 | Details |
| US1909192A | Production of artificial textile yarns or threads | Expired / Lapsed | 1929-11-11 | 1933-05-16 | 0 | Details |
| US1889061A | Manufacture of new or improved fabrics | Expired / Lapsed | 1927-03-17 | 1932-11-29 | 0 | Details |
| US1883423A | Apparatus for forming filaments | Expired / Lapsed | 1929-01-02 | 1932-10-18 | 0 | Details |
| US1872913A | Textile materials and method of preparing the same | Expired / Lapsed | 1930-04-17 | 1932-08-23 | 0 | Details |
| US1871100A | Process and apparatus for manipulating textile materials | Expired / Lapsed | 1929-05-07 | 1932-08-09 | 0 | Details |
| US1871046A | Manufacture or treatment of textile products | Expired / Lapsed | 1928-10-08 | 1932-08-09 | 0 | Details |
| US1849107A | Synthetic resin and method of making the same | Expired / Lapsed | 1928-05-12 | 1932-03-15 | 0 | Details |
| US1815444A | Method of uniting articles and product thereof | Expired / Lapsed | 1929-04-02 | 1931-07-21 | 0 | Details |
| US1808098A | Treatment of threads, fabrics, or other materials composed … | Expired / Lapsed | 1925-11-16 | 1931-06-02 | 0 | Details |
| US1773969A | Process of and apparatus for making artificial filaments | Expired / Lapsed | 1928-09-08 | 1930-08-26 | 0 | Details |
| US1760070A | Pumping apparatus | Expired / Lapsed | 1927-04-06 | 1930-05-27 | 0 | Details |
| US1655677A | Manufacture of products having a basis of cellulose derivat… | Expired / Lapsed | 1925-11-21 | 1928-01-10 | 0 | Details |