Inventor

BRONSTERT KLAUS

DE59 patents

Patents

50 patents

US4152499AMay 1, 1979

Polyisobutylene hydrocarbon or polymer containing a double bond allylic to an end amino group

BASF AG38 citations92

US5212248AMay 18, 1993

Preparation of hydrocarbons and polymers with allylic chloride end groups friedel-crafts catalyst

BASF AG35 citations92

US4861742AAug 29, 1989

Bifunctional alkali metal compounds, preparation and use thereof as polymerization initiators

BASF AG26 citations91

US4663406AMay 5, 1987

Catalyst systems for the cationic polymerization of isobutylene

BASF AG40 citations91

US4031166AJun 21, 1977

Impact-resistant polystyrene, α-olefin, block copolymer blends

BASF AG37 citations87

US4972023ANov 20, 1990

Polymers modified with terminal acid groups and the preparation and use of these polymers

BASF AG19 citations82

US4599433AJul 8, 1986

Reaction of olefins with maleic anhydride

BASF AG19 citations82

US4089824AMay 16, 1978

Hot-melt pressure-sensitive adhesives based on block copolymers

BASF AG29 citations81

US4144204AMar 13, 1979

Impact-resistant thermoplastic molding compositions with increased stress crack resistance

BASF AG25 citations78

US5625008AApr 29, 1997

Preparation of telechelic structures

BASF AG7 citations74

US5064907ANov 12, 1991

Polymers with functional groups

BASF AG14 citations74

US5053458AOct 1, 1991

Thermoplastic molding materials

BASF AG10 citations74

US4988773AJan 29, 1991

Homopolymers or block copolymers of vinylaromatics and/or dienes with ammonium groups, and preparation of same

BASF AG11 citations74

US4929786AMay 29, 1990

Preparation of 1-aryl-1-alkenes

BASF AG8 citations74

US4921775AMay 1, 1990

Elements having layers containing mixtures which can be crosslinked by photopolymerization

BASF AG8 citations74

US4526927AJul 2, 1985

Thermoplastic molding materials

BASF AG16 citations74

US5081251AJan 14, 1992

Stilbene compounds use in anionic polymerization

BASF AG11 citations73

US5055527AOct 8, 1991

Thermoplastics impact modified with functionalized polymers and use thereof for producing moldings

BASF AG10 citations73

US4985503AJan 15, 1991

Preparation of impact-resistant poly(alkyl)styrene

BASF AG8 citations73

US4908414AMar 13, 1990

Preparation of impact-resistant poly(alkyl)styrene

BASF AG12 citations73

US4891410AJan 2, 1990

Butadiene/sytrene block copolymers having an asymmetric structure, their preparation and their use as molding materials

BASF AG12 citations73

US4822945AApr 18, 1989

Preparation of decene oligomers and use thereof as lubricating oils

BASF AG13 citations73

US4558104ADec 10, 1985

Continuous preparation of isobutylene polymers

BASF AG14 citations73

US4282341AAug 4, 1981

Manufacture of homopolymers and copolymers of α-monoolefins

BASF AG10 citations73

US5321093AJun 14, 1994

Living polymers, the preparation thereof and the use thereof for preparing telechelic polymers

BASF AG17 citations72

US4839434AJun 13, 1989

Preparation of homo- and copolymers having terminal mercapto groups and their use

BASF AG15 citations72

US4835220AMay 30, 1989

Transparent, impact-resistant styrene block polymers and their preparation

BASF AG9 citations72

US4207409AJun 10, 1980

Catalytic hydrogenation of diolefin polymers

BASF AG18 citations72

US4073738AFeb 14, 1978

Lubricating oil compositions containing alkyl acrylate or methacrylate polymers and copolymers of styrene and conjugated diene

BASF AG14 citations72

US4822530AApr 18, 1989

Preparation of polyfunctional initiators for anionic polymerization, oligomeric polyfunctional initiators, use of the resulting polymers for the preparation of unfunctionalized or functionalized polymers and as prepolymers for other resins

BASF AG16 citations71

US4090946AMay 23, 1978

Method of stabilizing mineral oil and its refinery products

BASF AG17 citations71

US4080349AMar 21, 1978

Glass-fiber-reinforced thermoplastic molding compositions showing improved flowability and toughness

BASF AG17 citations71

US5036130AJul 30, 1991

Transparent thermoplastic molding material, its preparation and its use

BASF AG15 citations70

US5189099AFeb 23, 1993

Thermoplastic molding materials based on polyesters and polyphenylene ethers

BASF AG7 citations68

US5753777AMay 19, 1998

Telechelics containing ethanolamine or oligoether-ol-amine end groups and process for the preparation thereof

BASF AG3 citations63

US5614595AMar 25, 1997

Polymers based on conjugated dienes

BASF AG4 citations63

US5494976AFeb 27, 1996

Polymers based on conjugated dienes

BASF AG4 citations63

US5166286ANov 24, 1992

Polymers having terminal halogen atoms

BASF AG3 citations63

US5122573AJun 16, 1992

Preparation of polymers having tertiary chloride end groups

BASF AG3 citations63

US5003010AMar 26, 1991

Salts of polyvalent cations with block polymers of vinylaromatics and conjugated dienes

BASF AG2 citations63

US4835221AMay 30, 1989

Salts of polyvalent cations of polymers of conjugated dienes

BASF AG6 citations63

US4786736ANov 22, 1988

Preparation of diaziridines and products therefrom

BASF AG2 citations63

US4602068AJul 22, 1986

Chlorination of polymers

BASF AG4 citations63

US4296222AOct 20, 1981

Manufacture of poly-α-olefins

BASF AG4 citations63

US5266647ANov 30, 1993

Branched copolymers

BASF AG4 citations62

Showing the top 50 of 59 patents by PatentIndex Score.

BRONSTERT KLAUS

Patents

Polyisobutenes

Terminally functionalized polymers and preparation thereof

Polymers containing amino groups, their preparation and their use

Anionic polymerization with bifunctional initiators

Polymers containing amino groups, and their preparation

Polyisobutylene hydrocarbon or polymer containing a double bond allylic to an end amino group

Preparation of hydrocarbons and polymers with allylic chloride end groups friedel-crafts catalyst

Bifunctional alkali metal compounds, preparation and use thereof as polymerization initiators

Catalyst systems for the cationic polymerization of isobutylene

Impact-resistant polystyrene, α-olefin, block copolymer blends

Polymers modified with terminal acid groups and the preparation and use of these polymers

Reaction of olefins with maleic anhydride

Hot-melt pressure-sensitive adhesives based on block copolymers

Impact-resistant thermoplastic molding compositions with increased stress crack resistance

Preparation of telechelic structures

Polymers with functional groups

Thermoplastic molding materials

Homopolymers or block copolymers of vinylaromatics and/or dienes with ammonium groups, and preparation of same

Preparation of 1-aryl-1-alkenes

Elements having layers containing mixtures which can be crosslinked by photopolymerization

Thermoplastic molding materials

Stilbene compounds use in anionic polymerization

Thermoplastics impact modified with functionalized polymers and use thereof for producing moldings

Preparation of impact-resistant poly(alkyl)styrene

Preparation of impact-resistant poly(alkyl)styrene

Butadiene/sytrene block copolymers having an asymmetric structure, their preparation and their use as molding materials

Preparation of decene oligomers and use thereof as lubricating oils

Continuous preparation of isobutylene polymers

Manufacture of homopolymers and copolymers of α-monoolefins

Living polymers, the preparation thereof and the use thereof for preparing telechelic polymers

Preparation of homo- and copolymers having terminal mercapto groups and their use

Transparent, impact-resistant styrene block polymers and their preparation

Catalytic hydrogenation of diolefin polymers

Lubricating oil compositions containing alkyl acrylate or methacrylate polymers and copolymers of styrene and conjugated diene

Preparation of polyfunctional initiators for anionic polymerization, oligomeric polyfunctional initiators, use of the resulting polymers for the preparation of unfunctionalized or functionalized polymers and as prepolymers for other resins

Method of stabilizing mineral oil and its refinery products

Glass-fiber-reinforced thermoplastic molding compositions showing improved flowability and toughness

Transparent thermoplastic molding material, its preparation and its use

Thermoplastic molding materials based on polyesters and polyphenylene ethers

Telechelics containing ethanolamine or oligoether-ol-amine end groups and process for the preparation thereof

Polymers based on conjugated dienes

Polymers based on conjugated dienes

Polymers having terminal halogen atoms

Preparation of polymers having tertiary chloride end groups

Salts of polyvalent cations with block polymers of vinylaromatics and conjugated dienes

Salts of polyvalent cations of polymers of conjugated dienes

Preparation of diaziridines and products therefrom

Chlorination of polymers

Manufacture of poly-α-olefins

Branched copolymers