P

Inventor

WINTER ROLAND A E

69 patents
⚠️ This page may combine multiple inventors who share the name “WINTER ROLAND A E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CIBA GEIGY CORP

44 patents
US5204473AApr 20, 1993

O-substituted N-hydroxy hindered amine stabilizers

CIBA GEIGY CORP211 citations99
US5736597AApr 7, 1998

Stabilized organic material

CIBA GEIGY CORP55 citations96
US5616774AApr 1, 1997

Inhibition of unsaturated monomers with 7-aryl quinone methides

CIBA GEIGY CORP62 citations96
US5607987AMar 4, 1997

2-(2-hydroxy-3-α cumyl-5-tert nonyl or dodecyl phenyl)-2H- Benzotriazole UV Absorbers

CIBA GEIGY CORP78 citations96
US5583247ADec 10, 1996

7-substituted quinone methides as inhibitors for unsaturated monomers

CIBA GEIGY CORP69 citations96
US5574166ANov 12, 1996

Crystalline form of 2-(2-hydroxy-3-α-cumyl-5-tert-octylphenyl)-2H-benzotriazole

CIBA GEIGY CORP95 citations96
US5563242AOct 8, 1996

Electro coat/base coat/clear coat finishes stabilized with soluble and thermally stable benzotriazole UV absorbers

CIBA GEIGY CORP76 citations96
US5554760ASep 10, 1996

2-(2-hydroxy-3-α-cumyl-5-nonylor 5-dodecylphenyl)-2H-benzotriazole

CIBA GEIGY CORP66 citations96
US5545782AAug 13, 1996

Method for inhibiting premature polymerization of vinyl aromatic monomers

CIBA GEIGY CORP43 citations96
US5516914AMay 14, 1996

Compositions stabilized with 5-thio-substituted benzotriazole UV-absorbers

CIBA GEIGY CORP84 citations96
US5436349AJul 25, 1995

Compositions stabilized with 5-sulfonyl-substituted benotriazole UV-absorbers

CIBA GEIGY CORP82 citations96
US5280124AJan 18, 1994

5-sulfonyl-substituted benzotriazole UV-absorbers

CIBA GEIGY CORP101 citations96
US5278314AJan 11, 1994

5-thio-substituted benzotriazole UV-absorbers

CIBA GEIGY CORP91 citations96
US5240975AAug 31, 1993

Liquid substituted 2H-benzotriazole mixtures, stabilized compositions

CIBA GEIGY CORP117 citations96
US4675352AJun 23, 1987

Liquid 2-(2-hydroxy-3-higher branched alkyl-5-methyl-phenyl)-2H-benzotriazole mixtures, stabilized compositions and processes for preparing liquid mixtures

CIBA GEIGY CORP92 citations96
US4383863AMay 17, 1983

2-[2-Hydroxy-3,5-di-tert-octylphenyl]-2H-benzotriazole in stabilized photographic compositions

CIBA GEIGY CORP76 citations96
US4347180AAug 31, 1982

High caustic coupling process for preparing substituted 2-nitro-2'-hydroxyazobenzenes

CIBA GEIGY CORP76 citations96
US4315848AFeb 16, 1982

2-[2-Hydroxy-3,5-di-(α,α-dimethylbenzyl)-phenyl]-2H-benzotriazole and stabilized compositions

CIBA GEIGY CORP122 citations96
US4278589AJul 14, 1981

2-[2-Hydroxy-3,5-di-(α,α-dimethylbenzyl)phenyl]-2H-benzotriazole and stabilized compositions

CIBA GEIGY CORP114 citations96
US4275004AJun 23, 1981

High caustic coupling process for preparing substituted 2-nitro-2'-hydroxyazobenzenes

CIBA GEIGY CORP72 citations96
US4226763AOct 7, 1980

2-[2-Hydroxy-3,5-di-(.alpha.,α-dimethylbenzyl)-phenyl]-2H-benzotriazole and stabilized compositions

CIBA GEIGY CORP102 citations96
US4665185AMay 12, 1987

Process for preparing nitroxyls of sterically hindered amines

CIBA GEIGY CORP80 citations95
US5254760AOct 19, 1993

Inhibiting polymerization of vinyl aromatic monomers

CIBA GEIGY CORP106 citations94
US5112890AMay 12, 1992

Stabilization of acid catalyzed thermoset resins

CIBA GEIGY CORP113 citations94
US4703073AOct 27, 1987

Alkylated N,N-dibenzylhydroxylamines and polyolefin compositions stabilized therewith

CIBA GEIGY CORP38 citations93
US4283327AAug 11, 1981

2-(2-Hydroxy-3,5-di-tert-octylphenyl)-2H-benzotriazole stabilized compositions

CIBA GEIGY CORP29 citations93
US4278590AJul 14, 1981

2-[2-Hydroxy-3,5-di-tert-octylphenyl]-2H-Benzotriazole and stabilized compositions

CIBA GEIGY CORP44 citations93
US5670692ASep 23, 1997

7-substituted quinone methides as inhibitors for unsaturated monomers

CIBA GEIGY CORP39 citations92
US5545786AAug 13, 1996

Method for inhibiting premature polymerization of vinyl aromatic monomers

CIBA GEIGY CORP41 citations92
US4973701ANov 27, 1990

Liquid substituted 2H-benzotriazole mixtures, stabilized compositions and processes for preparing the liquid mixtures

CIBA GEIGY CORP25 citations91
US4587346AMay 6, 1986

Liquid 2-(2-hydroxy-3-higher branched alkyl-5-methyl-phenyl)-2H-benzotriazole mixtures, stabilized compositions and processes for preparing liquid mixtures

CIBA GEIGY CORP22 citations82
US4413096ANov 1, 1983

α-Olefin copolymers containing pendant hindered amine groups

CIBA GEIGY CORP23 citations76
US5204422AApr 20, 1993

Peroxide free radical initiators containing hindered amine moieties with low basicity

CIBA GEIGY CORP10 citations74
US5140081AAug 18, 1992

Peroxide free radical initiators containing hindered amine moieties with low basicity

CIBA GEIGY CORP8 citations74
US5051511ASep 24, 1991

Peroxide free radical initiators containing hindered amine moieties with low basicity

CIBA GEIGY CORP10 citations74
US4760148AJul 26, 1988

5-aralkyl substituted 2H-benzotriazoles and stabilized compositions

CIBA GEIGY CORP19 citations74
US4727158AFeb 23, 1988

5-Higher alkyl substituted-2H-benzotriazoles

CIBA GEIGY CORP12 citations74
US4618638AOct 21, 1986

Compositions containing alpha-cyanocinnamate ultraviolet-absorbing stabilizers substituted by an aliphatic hydroxyl group

CIBA GEIGY CORP11 citations74
US4544691AOct 1, 1985

Compositions containing ultraviolet-absorbing stabilizing substituted by an aliphatic hydroxyl group

CIBA GEIGY CORP17 citations74
US4504419AMar 12, 1985

Alpha-cyanocinnamate ultraviolet-absorbing stabilizers substituted by an aliphatic hydroxyl group

CIBA GEIGY CORP8 citations74
US4496757AJan 29, 1985

Ultraviolet-absorbing stabilizers substituted an aliphatic hydroxyl group

CIBA GEIGY CORP18 citations74
US4477614AOct 16, 1984

2-[2-Hydroxy-3,5-di-tert-octylphenyl]-2H-benzotriazole stabilized compositions

CIBA GEIGY CORP9 citations74
US4447511AMay 8, 1984

2-[2-Hydroxy-3,5-di-tert-octylphenyl]-2H-benzotriazole in stabilized photographic compositions

CIBA GEIGY CORP7 citations74
US4414393ANov 8, 1983

Ultraviolet-absorbing stabilizers substituted by an aliphatic hydroxyl group

CIBA GEIGY CORP9 citations74

CIBA SC HOLDING AG

5 patents

NALCO EXXON ENERGY CHEM LP

1 patent

Showing the top 50 of 69 patents by PatentIndex Score.