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Bayer AG

Bayer AG
Active Patents
0
Total Holdings
249

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
EP0894471A2 Blood sampling device with anti-twist lancet holder Expired / Lapsed 1998-07-18 — 10 Details
EP0885590A1 Blood sampling device with adjustable end cap Expired / Lapsed 1998-06-03 — 10 Details
EP0569813A1 Method for producing and concentrating silica sols Expired / Lapsed 1993-05-03 — 0 Details
JPH0692936A Pyridyloxynaphthalene Expired / Lapsed 1993-01-18 — 0 Details
DE4243799A1 Siloxane block copolymer modified thermoplastic polyurethan… Expired / Lapsed 1992-12-23 — 0 Details
EP0503347A1 Process for producing mixtures containing cyclohexylamines … Expired / Lapsed 1992-02-24 — 0 Details
EP0431423A2 Basic polycondensation products as well as their use as dye… Expired / Lapsed 1990-11-24 — 0 Details
EP0351661A1 Ruthenium-supported catalyst, its preparation and its use i… Expired / Lapsed 1989-07-07 — 0 Details
EP0324983A1 Supported ruthenium catalyst, its preparation and its use i… Expired / Lapsed 1988-12-29 — 0 Details
EP0207402A2 Process for producing proteins and polypeptides Expired / Lapsed 1986-06-20 — 0 Details
EP0180839A1 Process for preparing polybasic carboxylic-acid chlorides, … Expired / Lapsed 1985-10-21 — 0 Details
EP0107009A2 Micro-emulsions Expired / Lapsed 1983-09-14 — 0 Details
EP0051786A1 Formulations for fighting animal ectoparasites, in particul… Expired / Lapsed 1981-10-24 — 0 Details
EP0041654A1 Agent with a very strong residual action for combating anim… Expired / Lapsed 1981-05-27 — 0 Details
EP0032591A1 Process for the preparation of purified aminoglycoside anti… Expired / Lapsed 1980-12-27 — 0 Details
DE2923531A1 PROCESS FOR THE PRODUCTION OF SUBSTITUTED BENZALDEHYDE DIAL… Expired / Lapsed 1979-06-09 — 0 Details
EP0001425A1 Supported ruthenium catalyst, process for its preparation, … Expired / Lapsed 1978-09-25 — 0 Details
EP0000057A1 Selectively protected 4,6-di-O-(aminoglycosyl)-1,3-diamino-… Expired / Lapsed 1978-06-06 — 0 Details
FR2392083A1 PROCESS FOR THE PRODUCTION OF DYES OF THE TRIARYLMETHANE CL… Expired / Lapsed 1978-05-25 — 0 Details
DE2734249A1 THIGH NECK PROSTHESIS Expired / Lapsed 1977-07-29 — 0 Details
DE2658725A1 AGENT FOR CONTROLLING ANIMAL EECTOPARASITES WITH A STRONG R… Expired / Lapsed 1976-12-24 — 0 Details
GB1478000A Perfume carriers based on polyurethane-polyurea gels Expired / Lapsed 1976-05-11 — 0 Details
FR2298366A1 RUTHENIUM CATALYST Expired / Lapsed 1976-01-23 — 0 Details
FR2298529A1 CYCLOALIPHATIC AMINES Expired / Lapsed 1976-01-23 — 0 Details
DE2045882A1 Catalyst for the production of cyclohexanone by selective g… Expired / Lapsed 1970-09-17 — 0 Details
DE2012809A1 Process for the preparation of crosslinked carboxamide and … Expired / Lapsed 1970-03-18 — 0 Details
GB1262035A Propagator for plants Expired / Lapsed 1969-10-27 — 0 Details
GB1130653A Dental repair material and production thereof Expired / Lapsed 1966-10-12 — 0 Details
DE1007502B Process for the production of rubber-elastic plastics from … Expired / Lapsed 1955-06-10 — 0 Details
GB769681A Cellular foamed plastics and process of producing same Expired / Lapsed 1954-08-20 — 0 Details
GB742501A New polyisocyanates Expired / Lapsed 1953-05-29 — 0 Details
GB727321A Coated flexible sheet materials Expired / Lapsed 1952-02-18 — 0 Details
GB670993A Improvements in or relating to magnetic sound recorders Expired / Lapsed 1949-06-01 — 0 Details
US6355827B1 Process for preparing 2-cyanoindan-1-ones Expired / Lapsed 1998-08-13 2002-03-12 11 Details
US5728883A Process for preparing a mixture of cyclohexylamine and dicy… Expired / Lapsed 1997-02-05 1998-03-17 15 Details
US5386060A Palladium catalyst and its use in the preparation of a mixt… Expired / Lapsed 1992-10-23 1995-01-31 17 Details
US5322965A Process for the preparation of a mixture of cyclohexylamine… Expired / Lapsed 1993-08-27 1994-06-21 10 Details
US5118680A Combating endoparasites with 3-hydroxybenzothiophenes Expired / Lapsed 1991-06-20 1992-06-02 6 Details
US4844902A Topically applicable formulations of gyrase inhibitors in c… Expired / Lapsed 1988-02-11 1989-07-04 14 Details
US4824639A Test device and a method for the detection of a component o… Expired / Lapsed 1988-02-03 1989-04-25 18 Details
US4801631A Aqueous glue dispersions containing polyisocyanates, their … Expired / Lapsed 1987-02-06 1989-01-31 10 Details
US4789718A Polyurethanes soluble or dissolved in aromatic hydrocarbons… Expired / Lapsed 1985-05-03 1988-12-06 19 Details
US4774178A Immobilization of biological material within a polymer matr… Expired / Lapsed 1985-04-26 1988-09-27 22 Details
US4754017A Process for the preparation of linear aliphatic polycarbona… Expired / Lapsed 1987-02-24 1988-06-28 8 Details
US4702855A Electroviscous fluids Expired / Lapsed 1986-10-01 1987-10-27 8 Details
US4661099A Self-adhesive sheet-like structures, process for their prep… Expired / Lapsed 1984-11-08 1987-04-28 34 Details
US4634672A Immobilization of cells in polyurethane hydrogel Expired / Lapsed 1985-08-12 1987-01-06 8 Details
US4621104A Process for the production of liquid bromine-containing alk… Expired / Lapsed 1985-10-09 1986-11-04 19 Details
US4590291A Thrombin inhibitory new dihydroxybenzene ether derivatives Expired / Lapsed 1982-06-07 1986-05-20 11 Details
US4563384A Elastic flat-surfaced woven fabric and its manufacture Expired / Lapsed 1984-05-03 1986-01-07 6 Details
US4563371A Process for preparing metallized porous solid bodies Expired / Lapsed 1983-12-23 1986-01-07 11 Details
US4544683A Inorganic-organic fixed-dressings and a process for their p… Expired / Lapsed 1984-05-18 1985-10-01 15 Details
US4520186A Polyurethanes and polyurethane-ureas based on aromatic uret… Expired / Lapsed 1983-08-25 1985-05-28 16 Details
US4501871A Process for the production of anhydride-group- or carboxyl-… Expired / Lapsed 1983-12-20 1985-02-26 3 Details
US4501873A Preparation of polyamines by hydrolyzing a polyisocyanate i… Expired / Lapsed 1983-11-25 1985-02-26 16 Details
US4493355A Vehicle tire Expired / Lapsed 1982-01-11 1985-01-15 10 Details
US4472340A Method for producing tire-shaped articles from polyurethane… Expired / Lapsed 1980-09-02 1984-09-18 6 Details
US4467852A Tire for lorries Expired / Lapsed 1982-09-16 1984-08-28 9 Details
US4456734A Rubber powders Expired / Lapsed 1982-01-04 1984-06-26 5 Details
US4446293A Low-solvent, thermosetting reactive polyurethane coating co… Expired / Lapsed 1982-05-14 1984-05-01 12 Details
US4439768A Metallized sheet form textile microwave screening material,… Expired / Lapsed 1981-07-07 1984-03-27 16 Details
US4433095A Aqueous adhesives containing water-dispersible polyisocyana… Expired / Lapsed 1982-03-15 1984-02-21 7 Details
CA1158818A Process for the production of elastic shaped articles Expired / Lapsed 1980-04-02 1983-12-20 10 Details
US4407733A Supported catalysts and process for their preparation Expired / Lapsed 1981-07-20 1983-10-04 28 Details
US4405752A Process for producing fiber-reinforced molded products Expired / Lapsed 1980-09-30 1983-09-20 11 Details
US4401801A Coating and dressing agents for leather and leather substit… Expired / Lapsed 1982-08-16 1983-08-30 16 Details
US4394239A Electro-chemical sensor for the detection of reducing gases… Expired / Lapsed 1981-08-24 1983-07-19 5 Details
US4386218A Polyamines and processes for the production of such polyami… Expired / Lapsed 1981-10-05 1983-05-31 18 Details
US4371684A Thermoplastic polyurethanes for processing in extruders and… Expired / Lapsed 1981-05-29 1983-02-01 8 Details
US4369291A Polyene/α-olefin copolymers Expired / Lapsed 1981-08-03 1983-01-18 5 Details
US4369262A Dental material based on crosslinked plastic and polymeriza… Expired / Lapsed 1981-07-16 1983-01-18 6 Details
US4336358A Organopolysiloxane-urethane-vinyl graft copolymers Expired / Lapsed 1980-11-14 1982-06-22 9 Details
US4331778A Process for the production of polyurethane plastics Expired / Lapsed 1979-12-10 1982-05-25 14 Details
US4309378A Process for the production of pneumatic tires having partic… Expired / Lapsed 1980-08-14 1982-01-05 14 Details
US4302376A Dental materials which are opaque to X-rays and are based o… Expired / Lapsed 1979-11-19 1981-11-24 14 Details
US4299868A Coating compositions Expired / Lapsed 1979-12-28 1981-11-10 11 Details
US4293669A Heat-resistant cross-linked polymers and the use thereof as… Expired / Lapsed 1980-03-03 1981-10-06 6 Details
US4293474A Polyurethane ionomer dispersions containing electrolytes Expired / Lapsed 1980-01-21 1981-10-06 5 Details
US4278435A Process for the partial metallization of textile structures Expired / Lapsed 1980-02-28 1981-07-14 2 Details
US4277536A Bead polymers of viscous dimethacrylates Expired / Lapsed 1979-11-13 1981-07-07 5 Details
US4275822A Apparatus for metering at least two reaction components int… Expired / Lapsed 1979-01-11 1981-06-30 5 Details
US4269748A Process for the preparation of aqueous polyurethane dispers… Expired / Lapsed 1979-03-02 1981-05-26 22 Details
US4242357A Carboxylic acid esters for combating pests Expired / Lapsed 1977-03-31 1980-12-30 8 Details
US4237244A Molding composition based on unsaturated polyesters Expired / Lapsed 1979-01-03 1980-12-02 7 Details
US4237264A Process for the preparation of polyurethanes which are disp… Expired / Lapsed 1977-11-08 1980-12-02 12 Details
US4218545A Thermoplastic rubber blends of polycarbonates and block cop… Expired / Lapsed 1977-05-22 1980-08-19 10 Details
US4217437A Process for the preparation of carbonic acid bis-diphenol e… Expired / Lapsed 1978-06-08 1980-08-12 44 Details
US4202807A Organopolysiloxane compositions modified with polyurethane Expired / Lapsed 1978-06-21 1980-05-13 7 Details
US4201825A Metallized textile material Expired / Lapsed 1978-09-27 1980-05-06 10 Details
US4196276A High-molecular weight, segmented, polycarbonate elastomers Expired / Lapsed 1978-01-16 1980-04-01 15 Details
US4193889A Microencapsulation with modified aliphatic polyisocyanates Expired / Lapsed 1977-11-29 1980-03-18 10 Details
US4190566A Water-dispersible polyurethanes Expired / Lapsed 1976-12-02 1980-02-26 13 Details
US4189467A Polyurethanes having ectoparasiticidal activity Expired / Lapsed 1978-03-28 1980-02-19 15 Details
US4185755A Adjustable dose pistol-type applicator Expired / Lapsed 1977-06-10 1980-01-29 3 Details
US4176118A Aromatic uretdione-diisocyanate-disulphonic acids Expired / Lapsed 1977-11-07 1979-11-27 11 Details
US4169206A Polymers containing amino groups and hydroxyl and/or mercap… Expired / Lapsed 1977-05-02 1979-09-25 7 Details
US4167583A Microbial composition and formulations Expired / Lapsed 1977-12-12 1979-09-11 19 Details
US4162971A Injectors with deflectors for their use in gassing liquids Expired / Lapsed 1977-07-25 1979-07-31 17 Details
US4146688A Process for making polyurethane resins via thio-group conta… Expired / Lapsed 1977-08-22 1979-03-27 10 Details
US4143196A Fibre fleece of electrostatically spun fibres and methods o… Expired / Lapsed 1977-07-07 1979-03-06 11 Details
US4137360A Microporous sheets and a process for making them Expired / Lapsed 1974-08-28 1979-01-30 10 Details
US4133943A Process for the production of polyurethane elastomers and f… Expired / Lapsed 1978-04-24 1979-01-09 9 Details
US4122136A Acrylonitrile containing copolymers blends and process for … Expired / Lapsed 1977-04-18 1978-10-24 2 Details
US4113705A Triisocyanates useful for the production of polyurethane re… Expired / Lapsed 1977-03-17 1978-09-12 8 Details
US4101468A Process for cold-hardening polyurethane foams using sulfona… Expired / Lapsed 1977-02-10 1978-07-18 8 Details
US4100144A Process for the preparation of oligourethanes Expired / Lapsed 1977-06-06 1978-07-11 12 Details
US4094970A Elastomeric polyurethane-based articles having an insectici… Expired / Lapsed 1976-08-12 1978-06-13 6 Details
US4092286A Production of water-dispersible polyurethanes having ionic … Expired / Lapsed 1976-11-15 1978-05-30 18 Details
US4079024A Free-flowing unsaturated polyester moulding compositions ha… Expired / Lapsed 1976-07-01 1978-03-14 6 Details
US4057513A Hydrogenation catalyst and process for preparing same Expired / Lapsed 1976-01-23 1977-11-08 18 Details
US4042536A Inorganic-organic plastic Expired / Lapsed 1974-11-26 1977-08-16 15 Details
US4033912A Process for molding polyurethane foams Expired / Lapsed 1974-11-06 1977-07-05 13 Details
US4028313A Process for the production of water-dispersible polyhydroxy… Expired / Lapsed 1976-06-15 1977-06-07 12 Details
US3993647A Imidazolylacetic acid amides Expired / Lapsed 1975-07-09 1976-11-23 13 Details
US3983105A Penicillins Expired / Lapsed 1974-09-03 1976-09-28 34 Details
US3933778A Process for the polymerisation of cyclooctadiene Expired / Lapsed 1974-06-20 1976-01-20 6 Details
US3929863A Aromatic diamino carbonic acid esters Expired / Lapsed 1971-08-12 1975-12-30 7 Details
US3923876A Complex formers for polyvalent metal ions Expired / Lapsed 1973-04-09 1975-12-02 11 Details
US3910027A Process for the simultaneous stretch texturing of filament … Expired / Lapsed 1973-12-05 1975-10-07 7 Details
US3910825A Water-insoluble peptide materials Expired / Lapsed 1973-03-28 1975-10-07 29 Details
US3905929A Aqueous dispersions of polyurethane having side chain polyo… Expired / Lapsed 1974-03-18 1975-09-16 12 Details
US3903052A Polymers containing alkoxysilyl-substituted biuret groups a… Expired / Lapsed 1973-08-17 1975-09-02 8 Details
US3892818A Catalytic conversion of hydrocarbon chlorides to hydrogen c… Expired / Lapsed 1972-12-07 1975-07-01 12 Details
US3862998A Mixture of a polycarbonate and a styrene maleic acid anhydr… Expired / Lapsed 1973-10-25 1975-01-28 6 Details
US3860715A Antibacterial compositions and methods Expired / Lapsed 1973-08-20 1975-01-14 29 Details
US3857809A Polyurethane-ureas based on cis-trans-1,4-diaminocyclohexane Expired / Lapsed 1973-04-23 1974-12-31 11 Details
US3854981A Process for embedding or enveloping solid materials Expired / Lapsed 1972-02-09 1974-12-17 9 Details
US3852471A Synergistic microbiocidal composition employing certain phe… Expired / Lapsed 1970-10-02 1974-12-03 5 Details
US3803194A Cyclic urea derivatives and process for their manufacture Expired / Lapsed 1972-08-03 1974-04-09 0 Details
US3796785A Method of stretching a thermoplastic sheet using a shortene… Expired / Lapsed 1971-03-15 1974-03-12 0 Details
US3793253A Mixtures of 5-silamidazolidones-(2) which contain isocyanat… Expired / Lapsed 1972-08-01 1974-02-19 0 Details
US3791900A Process and apparatus for the production of hollow bodies f… Expired / Lapsed 1972-01-24 1974-02-12 23 Details
US3780154A Process and apparatus for the continuous production and/or … Expired / Lapsed 1971-06-15 1973-12-18 0 Details
US3769390A Process for producing carbon fibres Expired / Lapsed 1971-03-11 1973-10-30 0 Details
US3759900A Optical brightening agents Expired / Lapsed 1970-06-04 1973-09-18 0 Details
US3758443A Icular polyol polycarbonate process for the production of p… Expired / Lapsed 1972-04-24 1973-09-11 0 Details
US3737337A Process for the production of microgranulates Expired / Lapsed 1971-02-09 1973-06-05 0 Details
US3732242A Phenyl-imidazolyl acetic or propionic acid derivatives Expired / Lapsed 1970-05-18 1973-05-08 0 Details
US3716482A Anion exchanger with sponge structure and process of using … Expired / Lapsed 1970-09-14 1973-02-13 10 Details
US3715326A Using monoisocyanates to prepare microporous polyurethanes Expired / Lapsed 1970-12-04 1973-02-06 5 Details
US3706678A Hydrophilic polyurethane foams prepared from biuret contain… Expired / Lapsed 1970-08-03 1972-12-19 0 Details
US3684770A Segmented polyurethane elastomers based on polyether and po… Expired / Lapsed 1970-07-30 1972-08-15 5 Details
US3676478A Silyl-substituted urea derivatives Expired / Lapsed 1969-11-26 1972-07-11 5 Details
US3671523A Herbicidal agents Expired / Lapsed 1970-01-28 1972-06-20 15 Details
US3658746A Segmented polyurethane elastomers Expired / Lapsed 1970-01-08 1972-04-25 0 Details
US3649608A Process for the production of shaped articles particularly … Expired / Lapsed 1969-07-23 1972-03-14 0 Details
US3646161A Synthetic rubber mixtures of butadiene/styrene block copoly… Expired / Lapsed 1969-05-08 1972-02-29 0 Details
US3639354A Elastomeric polyurethanes from polycarbonates Expired / Lapsed 1968-02-23 1972-02-01 0 Details
US3639418A Bishydantoins Expired / Lapsed 1968-02-19 1972-02-01 0 Details
US3637909A Polyurethanes process and product prepared from aliphatic p… Expired / Lapsed 1969-07-09 1972-01-25 0 Details
US3636026A Benzoin-silyl-esters Expired / Lapsed 1969-10-20 1972-01-18 0 Details
US3622526A Water vapor permeable porous sheet structures and process t… Expired / Lapsed 1967-12-07 1971-11-23 5 Details
US3582487A Polyester moulding and coating compositions hardening by ul… Expired / Lapsed 1969-05-26 1971-06-01 0 Details
US3567499A Textile materials and the process for finishing the same Expired / Lapsed 1967-10-04 1971-03-02 0 Details
US3557178A Production of quaternary,organosilicon-substituted ammonium… Expired / Lapsed 1968-01-16 1971-01-19 0 Details
US3553167A Polyesters Expired / Lapsed 1968-03-18 1971-01-05 0 Details
US3549682A Process for the production of mixed carbonic acid esters Expired / Lapsed 1966-12-28 1970-12-22 0 Details
US3547899A Polymers containing sulphonic acid groups Expired / Lapsed 1969-07-23 1970-12-15 0 Details
US3522127A Bonding textile materials to rubber containing hexamethyl e… Expired / Lapsed 1968-06-24 1970-07-28 0 Details
US3509192A Method of preparing branched methyl polysiloxane - polyglyc… Expired / Lapsed 1966-03-25 1970-04-28 0 Details
US3491050A Polyurethane dispersions Expired / Lapsed 1966-08-31 1970-01-20 0 Details
US3479325A Process for preparing substantially anhydrous polyurethane … Expired / Lapsed 1966-12-29 1969-11-18 0 Details
US3475200A Process for coating textile article with polyurethane and t… Expired / Lapsed 1966-03-16 1969-10-28 0 Details
US3471448A Polyurethane plastics Expired / Lapsed 1966-05-18 1969-10-07 0 Details
US3471576A Paraformaldehyde phenolic compositions Expired / Lapsed 1965-11-15 1969-10-07 0 Details
US3467614A Cross-linkable copolymer dispersions Expired / Lapsed 1967-02-14 1969-09-16 0 Details
US3419351A Vapor phase process for the conversion of metal halides int… Expired / Lapsed 1963-08-21 1968-12-31 0 Details
US3399247A Preparation of cellular polyurethane Expired / Lapsed 1966-07-18 1968-08-27 0 Details
US3397253A Polyhydantoin polymer prepared by the reaction of glycine d… Expired / Lapsed 1966-03-04 1968-08-13 0 Details
US3385829A Polyurethane elastomers Expired / Lapsed 1964-12-07 1968-05-28 0 Details
CA784293A Polyethers Expired / Lapsed — 1968-04-30 0 Details
FR1492582A Method of longitudinal stretching of continuous sheets of t… Expired / Lapsed 1966-09-13 1967-08-18 0 Details
US3323945A Process for the continuous production of fiber-containing s… Expired / Lapsed 1963-05-29 1967-06-06 2 Details
US3297623A Graft of polydiene with acrylate and methylol acrylamide Expired / Lapsed 1963-02-12 1967-01-10 2 Details
US3296231A Liquid phase process for the production of ethylene/nu-viny… Expired / Lapsed 1964-05-06 1967-01-03 2 Details
US3296190A Stabilization of polyesters with a combination of carbodiim… Expired / Lapsed 1962-04-02 1967-01-03 2 Details
US3284436A Monoazo dyestuffs containing an amino-naphthol Expired / Lapsed 1965-11-23 1966-11-08 2 Details
US3255127A Polymeric materials Expired / Lapsed 1962-06-12 1966-06-07 2 Details
US3248372A Glycol modified isocyanurate containing polyisocyanates Expired / Lapsed 1961-11-03 1966-04-26 2 Details
US3245941A Polyurethanes from polyisocyanates and copolymers of hydrox… Expired / Lapsed 1963-03-20 1966-04-12 2 Details
US3243475A Polyurethanes Expired / Lapsed 1961-05-24 1966-03-29 2 Details
US3240740A Aqueous dispersions of self-crosslinking copolymers Expired / Lapsed 1960-05-03 1966-03-15 2 Details
US3211701A Polyurethane casting process Expired / Lapsed 1961-05-24 1965-10-12 2 Details
US3207709A Preparation of cellular polyurethane plastics Expired / Lapsed 1959-09-02 1965-09-21 2 Details
US3206425A Copolymers having self-cross-linking properties Expired / Lapsed 1962-07-19 1965-09-14 2 Details
US3199740A Ejection device Expired / Lapsed 1963-08-07 1965-08-10 2 Details
US3200102A Process for the production of hydrolyzed acrylonitrile poly… Expired / Lapsed 1962-08-14 1965-08-10 2 Details
US3192186A Chain extended polyether prepolymer polyurethane castings Expired / Lapsed 1960-04-06 1965-06-29 2 Details
US3190903A Organosiloxyalkyl ethers of polyhydric alcohols Expired / Lapsed 1962-03-07 1965-06-22 2 Details
US3130175A Polyurethane plastics Expired / Lapsed 1960-07-13 1964-04-21 1 Details
CA672467A Polyurethane plastics Expired / Lapsed — 1963-10-15 0 Details
CA668478A Preparation of cellular polyurethane Expired / Lapsed — 1963-08-13 0 Details
US3090277A Braided combined cordage Expired / Lapsed 1959-05-19 1963-05-21 2 Details
US3052927A A method of centrifugally molding cellular plastics Expired / Lapsed 1957-08-12 1962-09-11 1 Details
US3050432A Process for compressing cellular polyurethane plastic Expired / Lapsed 1957-10-25 1962-08-21 2 Details
US3047540A Polyurethane plastics Expired / Lapsed 1960-01-12 1962-07-31 2 Details
US3047355A Process for treating textile materials Expired / Lapsed 1959-04-21 1962-07-31 2 Details
US3047530A Reaction product of an isocyanate-modified unsaturated poly… Expired / Lapsed 1955-07-14 1962-07-31 2 Details
US3036042A Preparation of polyurethanes Expired / Lapsed 1958-04-03 1962-05-22 2 Details
US2995412A Process for dyeing and printing of textile materials contai… Expired / Lapsed 1958-07-08 1961-08-08 2 Details
US2993813A Process of coating a substrate with polyurethane foam Expired / Lapsed 1957-02-26 1961-07-25 2 Details
US2989512A Polyurethane plastics containing sulfur Expired / Lapsed 1956-06-06 1961-06-20 2 Details
US2984588A Process of producing a polymeric film of a copolymer of an … Expired / Lapsed 1956-02-28 1961-05-16 2 Details
US2981360A Sound-absorbing systems Expired / Lapsed 1955-02-17 1961-04-25 0 Details
US2964797A Wrapping foils of high molecular thermoplastic polycarbonat… Expired / Lapsed 1957-05-14 1960-12-20 2 Details
US2963452A Stable dispersions of rubbery substances and method of prep… Expired / Lapsed 1957-12-26 1960-12-06 2 Details
US2948928A Process for manufacturing foamed polyurethane articles Expired / Lapsed 1956-12-17 1960-08-16 2 Details
US2948922A Screw conveyor Expired / Lapsed 1956-05-24 1960-08-16 0 Details
US2948706A Light-sensttive high molecular compounds Expired / Lapsed 1956-12-18 1960-08-09 2 Details
US2948691A High molecular weight polyether urethane polymers Expired / Lapsed 1952-05-06 1960-08-09 1 Details
US2947735A Process for the production of copolymers of ethylene Expired / Lapsed 1957-12-19 1960-08-02 2 Details
CA600282A Process for dyeing polyester materials Expired / Lapsed — 1960-06-21 0 Details
US2912414A Process for the production of rubberlike polyurethanes Expired / Lapsed 1957-01-11 1959-11-10 1 Details
US2908658A Printing paste and process of decorating textile therewith Expired / Lapsed 1956-12-27 1959-10-13 2 Details
US2897181A Production of polyurethanes Expired / Lapsed 1954-10-06 1959-07-28 2 Details
US2889463A Device for measuring the titre of a running thread Expired / Lapsed 1954-02-25 1959-06-02 0 Details
US2879248A Method of making copolymer of diisocyanate modified polyest… Expired / Lapsed 1955-04-13 1959-03-24 2 Details
US2874482A Drying of moist material Expired / Lapsed 1954-08-09 1959-02-24 0 Details
US2874467A Artificial dentures and process of preparing Expired / Lapsed 1954-05-26 1959-02-24 2 Details
US2874068A Process for lacquering rubber articles Expired / Lapsed 1955-05-18 1959-02-17 2 Details
US2870486A Process for the production of tubes Expired / Lapsed 1954-11-22 1959-01-27 0 Details
US2866722A Process for the production of foamed urethan coatings Expired / Lapsed 1955-05-20 1958-12-30 2 Details
US2855421A Polyisocyanates and method of preparing polyisocyanates Expired / Lapsed 1953-06-24 1958-10-07 2 Details
US2852413A Method of coating rubbery materials Expired / Lapsed 1955-06-16 1958-09-16 2 Details
US2846408A Cellular polyurethane plastics of improved pore structure a… Expired / Lapsed 1955-01-18 1958-08-05 2 Details
CA558242A Bonding process Expired / Lapsed — 1958-06-03 0 Details
US2817643A Mixed polyurethane lacquer and method of coating therewith Expired / Lapsed 1955-09-15 1957-12-24 2 Details
US2806835A Diisocyanate modified polyester resin and process of making… Expired / Lapsed 1953-10-06 1957-09-17 2 Details
FR1140652A Swirl Layer Sublimation Process Expired / Lapsed 1956-01-28 1957-08-05 0 Details
US2780606A Process for the preparation of rubber and plastic materials… Expired / Lapsed 1951-08-22 1957-02-05 2 Details
US2764565A Process and apparatus for the manufacture of polyurethane p… Expired / Lapsed 1955-08-08 1956-09-25 2 Details
US2729618A Isocyanate-modified polyesters reacted with glycols Expired / Lapsed 1952-11-18 1956-01-03 2 Details
DE915033C Process for the production of sound-absorbing materials on … Expired / Lapsed 1951-12-04 1954-07-15 0 Details
US2671749A Process for preparing chemical compounds Expired / Lapsed 1951-09-20 1954-03-09 0 Details
US2657151A Coating of fabrics Expired / Lapsed 1950-06-21 1953-10-27 2 Details
DE890564C Cylindrical ampoule with injection needle Expired / Lapsed 1951-10-26 1953-09-21 0 Details
DE887856C adhesive Expired / Lapsed 1941-04-05 1953-08-27 0 Details
US2650212A Adhesive composition comprising a diisocyanate modified pol… Expired / Lapsed 1949-08-20 1953-08-25 2 Details
DE878856C Process for the production of high molecular weight products Expired / Lapsed 1943-03-05 1953-06-08 0 Details
DE860109C Artificial sponges Expired / Lapsed 1941-04-20 1952-12-18 0 Details
US2620516A Synthetic polymeric product and process for producing the s… Expired / Lapsed 1949-07-02 1952-12-09 1 Details
US2621166A Synthetic polymers Expired / Lapsed 1949-07-02 1952-12-09 2 Details
US2593829A Electrical capacitor and foil therefor Expired / Lapsed 1949-05-24 1952-04-22 1 Details
DE831772C Process for the production of high molecular weight crossli… Expired / Lapsed 1949-02-24 1952-02-18 0 Details
US1592231A Apparatus for intimately mixing gases and liquids Expired / Lapsed 1923-06-08 1926-07-13 0 Details
DE368413C Process for the preparation of carbohydrate compounds Expired / Lapsed 1920-11-30 1923-02-05 0 Details
US1062828A Caoutchouc-like substance and process of making same. Expired / Lapsed 1911-03-20 1913-05-27 0 Details
US1031616A Lustrous thread. Expired / Lapsed 1909-10-28 1912-07-02 0 Details
US941159A Soluble starch. Expired / Lapsed 1908-01-29 1909-11-23 0 Details