Inventor

BOTTENBRUCH LUDWIG

DE96 patents

Patents

50 patents

US4882381ANov 21, 1989

Moulding compounds of aromatic polyesters and grafted silicone rubber

BAYER AG55 citations96

US4415719ANov 15, 1983

Thermoplastic, branched aromatic polyphosphonates, and a process for their production

BAYER AG66 citations96

US4374971AFeb 22, 1983

Process for the preparation of thermoplastic aromatic polyphosphonates with improved thermal ageing resistance

BAYER AG71 citations96

US4334053AJun 8, 1982

Process for the preparation of aromatic polyesters and the use thereof for the production of injection molded articles, films and coatings

BAYER AG118 citations96

US4331614AMay 25, 1982

Process for the production of colorless aromatic polyester and polyester carbonates

BAYER AG35 citations93

US4508890AApr 2, 1985

Process for the preparation of thermoplastic aromatic polyphosphonatocarbonates with improved heat-aging resistance, and their use

BAYER AG31 citations93

US4481350ANov 6, 1984

Process for the preparation of thermoplastic aromatic polyphosphonates containing small proportions of carbonate structures and product thereof

BAYER AG34 citations93

US4401802AAug 30, 1983

Process for the preparation of thermoplastic aromatic polyphosphonatocarbonates with improved heat-ageing resistance, and their use

BAYER AG34 citations93

US4999420AMar 12, 1991

Polymerization of cyclic aromatic oligomers with low temperature aprotic organic solvent

BAYER AG50 citations92

US4912193AMar 27, 1990

Thermotropic aromatic polyester based on p-hydroxy benzoic acid, 4,4'-dihydroxy diphenyl, terephthalic acid, and isophthalic acid

BAYER AG24 citations92

US4801677AJan 31, 1989

Thermotropic aromatic polyester with high thermal stability

BAYER AG30 citations92

US4668737AMay 26, 1987

Graft polymers having a mat surface

BAYER AG38 citations92

US4663424AMay 5, 1987

Aromatic polyester with dimethylmaleimide end groups

BAYER AG40 citations92

US4652614AMar 24, 1987

Mat moulding materials

BAYER AG39 citations92

US4649168AMar 10, 1987

Process for the preparation of flame-resistant polycarbonate moulding compositions containing tetrafluoroethylene polymers

BAYER AG50 citations92

US4564669AJan 14, 1986

Thermotropic aromatic polyesters having a high tenacity and an improved melt viscosity, and mouldings, filaments, fibres and films thereof

BAYER AG26 citations92

US4387251AJun 7, 1983

Process for the preparation of pure 4,4'-dihydroxyphenyl alkanes or 4,4'-dihydroxydiphenyl cycloalkanes

BAYER AG28 citations92

US5153291AOct 6, 1992

Trialkylsilyloxy-1,1-diphenyl ethylenes and polymers produced therewith

BAYER AG19 citations82

US4413072ANov 1, 1983

Mixtures of polyurethanes and unsaturated polyester resins

BAYER AG24 citations81

US4036748AJul 19, 1977

Asymmetric, semipermeable membranes of polybenz-1,3-oxazine diones-(2,4)

BAYER AG21 citations81

US3994949ANov 30, 1976

Production of aromatic cyanic acid esters

BAYER AG27 citations81

US3960815AJun 1, 1976

Branched aromatic polyaryl-ether sulphones

BAYER AG28 citations81

US5045585ASep 3, 1991

Rapid-crystallizing polyphenylene sulphide compositions

BAYER AG6 citations74

US4999414AMar 12, 1991

Process for the production of aromatic polyether ketones

BAYER AG9 citations74

US4942194AJul 17, 1990

Rapid-crystallizing polyphenylene sulphide compositions

BAYER AG6 citations74

US4762910AAug 9, 1988

Process for the preparation of copolyamide from adipic acid, terephthalic acid and hexamethylene diamine

BAYER AG15 citations74

US4686262AAug 11, 1987

Thermoplastic block copolyesters, a process for the preparation thereof and their use for the production of mouldings

BAYER AG8 citations74

US4612347ASep 16, 1986

Polymer mixtures with a mat surface

BAYER AG13 citations74

US4537951AAug 27, 1985

Process for the production of optionally branched polyarylene sulfides

BAYER AG8 citations74

US4533702AAug 6, 1985

Aromatic polyester carbonates having a high notched impact strength and a process for the production thereof

BAYER AG9 citations74

US4473686ASep 25, 1984

Block copolymers

BAYER AG16 citations74

US4424339AJan 3, 1984

Process for the preparation of polyarylene sulphides

BAYER AG13 citations74

US4393009AJul 12, 1983

Process for the preparation of aromatic dicarboxylic acid dichlorides

BAYER AG7 citations74

US4362864ADec 7, 1982

Process for the preparation of polyarylene sulphides

BAYER AG15 citations74

US4338429AJul 6, 1982

Process for working up polycarbonates

BAYER AG10 citations74

US4289685ASep 15, 1981

Process for the preparation of flame-resistant polycarbonates

BAYER AG9 citations74

US3978157AAug 31, 1976

Thermoplastic compositions comprising aromatic polycarbonate urethanes

BAYER AG19 citations74

US4954606ASep 4, 1990

Solid phase post polymerization condensation of thermotropic polyester imides

BAYER AG8 citations73

US4937276AJun 26, 1990

Glass-fiber-reinforced stabilized polyamide molding compositions

BAYER AG15 citations73

US4774273ASep 27, 1988

Perfluoroalkanesulphonic acid aryl esters as anti-drip agents in flame-repellant molding compositions based on thermoplastic aromaticpolycarbonates

BAYER AG9 citations73

US4719284AJan 12, 1988

Multistage process for the preparation of poly(tetramethylene-adipamide)

BAYER AG12 citations73

US4701515AOct 20, 1987

Thermotropic aromatic polyester from 3,3'-diphenyl-4,4'-dihydroxy biphenyl and arylene dicarboxylic acid

BAYER AG8 citations73

US4673728AJun 16, 1987

Process for the production of copolyamide from aromatic dicarboxylic acids, adipic acid and hexamethylene diamine

BAYER AG15 citations73

US4645806AFeb 24, 1987

Use of certain polyphenylene oxides for the production of aromatic block polyether-poly(ester) carbonates by the interfacial process

BAYER AG8 citations73

Showing the top 50 of 96 patents by PatentIndex Score.

BOTTENBRUCH LUDWIG

Patents

Moulding compounds of aromatic polyesters and grafted silicone rubber

Thermoplastic, branched aromatic polyphosphonates, and a process for their production

Process for the preparation of thermoplastic aromatic polyphosphonates with improved thermal ageing resistance

Process for the preparation of aromatic polyesters and the use thereof for the production of injection molded articles, films and coatings

Aromatic polyphosphonates and a process for their production

Aromatic thermoplastic polyphosphonatocarbonate

Aromatic polyester phosphonates

Process for manufacturing thin, non-porous gas permeable polycarbonate films

Thermoplastic copolyesters and a process for their production

Aromatic thermoplastic polyphosphonatocarbonate

Process for the production of colorless aromatic polyester and polyester carbonates

Process for the preparation of thermoplastic aromatic polyphosphonatocarbonates with improved heat-aging resistance, and their use

Process for the preparation of thermoplastic aromatic polyphosphonates containing small proportions of carbonate structures and product thereof

Process for the preparation of thermoplastic aromatic polyphosphonatocarbonates with improved heat-ageing resistance, and their use

Polymerization of cyclic aromatic oligomers with low temperature aprotic organic solvent

Thermotropic aromatic polyester based on p-hydroxy benzoic acid, 4,4&#39;-dihydroxy diphenyl, terephthalic acid, and isophthalic acid

Thermotropic aromatic polyester with high thermal stability

Graft polymers having a mat surface

Aromatic polyester with dimethylmaleimide end groups

Mat moulding materials

Process for the preparation of flame-resistant polycarbonate moulding compositions containing tetrafluoroethylene polymers

Thermotropic aromatic polyesters having a high tenacity and an improved melt viscosity, and mouldings, filaments, fibres and films thereof

Process for the preparation of pure 4,4&#39;-dihydroxyphenyl alkanes or 4,4&#39;-dihydroxydiphenyl cycloalkanes

Trialkylsilyloxy-1,1-diphenyl ethylenes and polymers produced therewith

Mixtures of polyurethanes and unsaturated polyester resins

Asymmetric, semipermeable membranes of polybenz-1,3-oxazine diones-(2,4)

Production of aromatic cyanic acid esters

Branched aromatic polyaryl-ether sulphones

Rapid-crystallizing polyphenylene sulphide compositions

Process for the production of aromatic polyether ketones

Rapid-crystallizing polyphenylene sulphide compositions

Process for the preparation of copolyamide from adipic acid, terephthalic acid and hexamethylene diamine

Thermoplastic block copolyesters, a process for the preparation thereof and their use for the production of mouldings

Polymer mixtures with a mat surface

Process for the production of optionally branched polyarylene sulfides

Aromatic polyester carbonates having a high notched impact strength and a process for the production thereof

Block copolymers

Process for the preparation of polyarylene sulphides

Process for the preparation of aromatic dicarboxylic acid dichlorides

Process for the preparation of polyarylene sulphides

Process for working up polycarbonates

Process for the preparation of flame-resistant polycarbonates

Thermoplastic compositions comprising aromatic polycarbonate urethanes

Solid phase post polymerization condensation of thermotropic polyester imides

Glass-fiber-reinforced stabilized polyamide molding compositions

Perfluoroalkanesulphonic acid aryl esters as anti-drip agents in flame-repellant molding compositions based on thermoplastic aromaticpolycarbonates

Multistage process for the preparation of poly(tetramethylene-adipamide)

Thermotropic aromatic polyester from 3,3&#39;-diphenyl-4,4&#39;-dihydroxy biphenyl and arylene dicarboxylic acid

Process for the production of copolyamide from aromatic dicarboxylic acids, adipic acid and hexamethylene diamine

Use of certain polyphenylene oxides for the production of aromatic block polyether-poly(ester) carbonates by the interfacial process

Thermotropic aromatic polyester based on p-hydroxy benzoic acid, 4,4'-dihydroxy diphenyl, terephthalic acid, and isophthalic acid

Process for the preparation of pure 4,4'-dihydroxyphenyl alkanes or 4,4'-dihydroxydiphenyl cycloalkanes

Thermotropic aromatic polyester from 3,3'-diphenyl-4,4'-dihydroxy biphenyl and arylene dicarboxylic acid