Inventor

RASSHOFER WERNER

DE76 patents

Patents

50 patents

US4735970AApr 5, 1988

Process for the production of a cellular polyurethane

BAYER AG59 citations96

US4985490AJan 15, 1991

Method of direct manufacture of pigmented polyurethane powder

BAYER AG28 citations93

US4663415AMay 5, 1987

Process for the preparation of stabilized polyamines, stabilized polyamines with retarded reactivity and their use for polyurethane production

BAYER AG36 citations93

US4384102AMay 17, 1983

Process for the preparation of compounds having s-triazine units and epoxide groups

BAYER AG36 citations93

US6296908B1Oct 2, 2001

Stable adhesive composite material made of polyurethane and of another thermoplastic material, a process for its production and a method for its use in motor vehicles

BAYER AG38 citations92

US5210127AMay 11, 1993

Free-flowing, thermoplastically processible and post-crosslinkable polyurethane powders

BAYER AG30 citations92

US4797320AJan 10, 1989

Composite plastic moldings and a process for their production

BAYER AG50 citations92

US4645630AFeb 24, 1987

Process for the production of microcellular or foamed moldings and compounds containing isocyanate-reactive groups suitable for carrying out this process

BAYER AG35 citations92

US4386218AMay 31, 1983

Polyamines and processes for the production of such polyamines and of polyurethane plastics therefrom

BAYER AG34 citations92

US5879608AMar 9, 1999

Molded polyurethane articles prepared from recycled polyols and processes for their production and use

BAYER AG38 citations91

US5154871AOct 13, 1992

Process for the production of hydroxyfunctional compounds from (polyurethane) polyurea waste

BAYER AG18 citations83

US4569982AFeb 11, 1986

Process for the production of polyurea-elastomers and corresponding elastomers having an idealized segment structure

BAYER AG22 citations82

US4540720ASep 10, 1985

Polyamines, a process for the production of polyamines and their use in the production of polyurethanes

BAYER AG16 citations82

US4532266AJul 30, 1985

Polymer-containing polyether polyamines and a process for the production of these polyamines

BAYER AG23 citations82

US4515923AMay 7, 1985

Polyamines and a process for their production

BAYER AG21 citations81

US4436841AMar 13, 1984

Single-phase, storage-stable polyol compositions containing salts and the use thereof in the production of polyurethanes

BAYER AG25 citations81

US4442236AApr 10, 1984

Process for the production of molded articles

BAYER AG20 citations78

US5508312AApr 16, 1996

Process for the production of compounds containing hydroxyl groups from (polyurethane) polyurea waste materials

BAYER AG9 citations74

US5077339ADec 31, 1991

Heat-curing reactive powders based on polyurethanes

BAYER AG10 citations74

US4931595AJun 5, 1990

Catalytic hydrolysis process for polyamines

BAYER AG11 citations74

US4740531AApr 26, 1988

Polyaminohydroxyl compounds containing urethane and/or urea groups and processes for their preparation and use

BAYER AG8 citations74

US4732960AMar 22, 1988

Process for the production of new polyisocyanate compositions and their use for the production of plastics by the isocyanate polyaddition process

BAYER AG17 citations74

US4723032AFeb 2, 1988

Modified polyamines and a process for their production

BAYER AG8 citations74

US4578500AMar 25, 1986

Polyamines and a process for their production

BAYER AG7 citations74

US4565645AJan 21, 1986

Single-stage process for the production of polyamines and polyamines produced by such process

BAYER AG18 citations74

US4562289ADec 31, 1985

Homogeneous storage stable cyanamide solutions in polyols and a process for their production

BAYER AG15 citations74

US4532317AJul 30, 1985

Aromatic polyamines containing primary aromatic amino groups, urethane groups and polyester groups, and a process for the production thereof

BAYER AG11 citations74

US4525534AJun 25, 1985

Polyamines and a single-stage process for the production thereof

BAYER AG14 citations74

US4507464AMar 26, 1985

Polyisocyanates prepared by phosgenating a polyamine in the presence of a compound containing at least one hydroxyl group

BAYER AG10 citations74

US4501873AFeb 26, 1985

Preparation of polyamines by hydrolyzing a polyisocyanate in the presence of an isocyanate-reactive compound with water

BAYER AG10 citations74

US4472568ASep 18, 1984

Process for the preparation of polyamines from N-monoaryl-N',N'-dialkyl urea compounds and their use for the synthesis of polyurethanes

BAYER AG12 citations74

US4456730AJun 26, 1984

Polymer modified polyamines and a process for their preparation

BAYER AG8 citations74

US4418160ANov 29, 1983

Polyamines and processes for the production of such polyamines and of polyurethane plastics therefrom

BAYER AG13 citations74

US4418159ANov 29, 1983

Process for the production of polyurethanes and a storable intermediate product for carrying out this process

BAYER AG7 citations74

US4368278AJan 11, 1983

Process for the production of polyurethanes using cyclic N-hydroxyalkyl-substituted compounds containing amidine groups as catalysts

BAYER AG13 citations74

US4350781ASep 21, 1982

Process for the preparation of polymer precursors containing oxazolin-2-one rings

BAYER AG12 citations74

US6428895B1Aug 6, 2002

Stable adhesive composite material made of polyurethane and of another thermoplastic material, a process for its production and a method for its use in motor vehicles

BAYER AG6 citations73

US5338763AAug 16, 1994

Process for the preparation of compounds containing hydroxyl groups and their use in the production of polyurethane resins

BAYER AG9 citations73

US4970342ANov 13, 1990

Polyamines and a process for the production thereof

BAYER AG14 citations73

US4703100AOct 27, 1987

Process for the production of polyisocyanates containing urea and/or biuret groups, preparations obtainable thereby and their use

BAYER AG17 citations73

US4677136AJun 30, 1987

Process for the production of polyisocyanate compositions containing urea and/or biuret groups, the polyisocyanate compositions obtained by this process, and their use for the production of plastics by the isocyanate polyaddition process

BAYER AG14 citations73

US4587322AMay 6, 1986

Process for the production of urethane-modified polyisocyanate compositions using a hydantoin having two hydroxyl alkyl substituents

BAYER AG9 citations73

US4581388AApr 8, 1986

Process for the production of urethane-modified polyisocyanate using an oxyalkylated bisphenol

BAYER AG17 citations73

US4575518AMar 11, 1986

Homogeneous storage stable salt-containing mixture

BAYER AG18 citations73

US4525590AJun 25, 1985

Simplified process for the production of polyamines by the alkaline hydrolysis of compounds containing NCO-groups

BAYER AG9 citations73

US4390640AJun 28, 1983

Process for the production of optionally-foamed polyurethanes

BAYER AG17 citations73

US6156811ADec 5, 2000

Molded polyurethane articles prepared from recycled polyols and processes for their production and use

BAYER AG15 citations72

Showing the top 50 of 76 patents by PatentIndex Score.

RASSHOFER WERNER

Patents

Process for the production of a cellular polyurethane

Method of direct manufacture of pigmented polyurethane powder

Process for the preparation of stabilized polyamines, stabilized polyamines with retarded reactivity and their use for polyurethane production

Process for the preparation of compounds having s-triazine units and epoxide groups

Stable adhesive composite material made of polyurethane and of another thermoplastic material, a process for its production and a method for its use in motor vehicles

Free-flowing, thermoplastically processible and post-crosslinkable polyurethane powders

Composite plastic moldings and a process for their production

Process for the production of microcellular or foamed moldings and compounds containing isocyanate-reactive groups suitable for carrying out this process

Polyamines and processes for the production of such polyamines and of polyurethane plastics therefrom

Molded polyurethane articles prepared from recycled polyols and processes for their production and use

Process for the production of composite structures

Composite structures

Process for the preparation of a cellular polyurethane

Process for the production of hydroxyfunctional compounds from (polyurethane) polyurea waste

Process for the production of polyurea-elastomers and corresponding elastomers having an idealized segment structure

Polyamines, a process for the production of polyamines and their use in the production of polyurethanes

Polymer-containing polyether polyamines and a process for the production of these polyamines

Polyamines and a process for their production

Single-phase, storage-stable polyol compositions containing salts and the use thereof in the production of polyurethanes

Process for the production of molded articles

Process for the production of compounds containing hydroxyl groups from (polyurethane) polyurea waste materials

Heat-curing reactive powders based on polyurethanes

Catalytic hydrolysis process for polyamines

Polyaminohydroxyl compounds containing urethane and/or urea groups and processes for their preparation and use

Process for the production of new polyisocyanate compositions and their use for the production of plastics by the isocyanate polyaddition process

Modified polyamines and a process for their production

Polyamines and a process for their production

Single-stage process for the production of polyamines and polyamines produced by such process

Homogeneous storage stable cyanamide solutions in polyols and a process for their production

Aromatic polyamines containing primary aromatic amino groups, urethane groups and polyester groups, and a process for the production thereof

Polyamines and a single-stage process for the production thereof

Polyisocyanates prepared by phosgenating a polyamine in the presence of a compound containing at least one hydroxyl group

Preparation of polyamines by hydrolyzing a polyisocyanate in the presence of an isocyanate-reactive compound with water

Process for the preparation of polyamines from N-monoaryl-N&#39;,N&#39;-dialkyl urea compounds and their use for the synthesis of polyurethanes

Polymer modified polyamines and a process for their preparation

Polyamines and processes for the production of such polyamines and of polyurethane plastics therefrom

Process for the production of polyurethanes and a storable intermediate product for carrying out this process

Process for the production of polyurethanes using cyclic N-hydroxyalkyl-substituted compounds containing amidine groups as catalysts

Process for the preparation of polymer precursors containing oxazolin-2-one rings

Stable adhesive composite material made of polyurethane and of another thermoplastic material, a process for its production and a method for its use in motor vehicles

Process for the preparation of compounds containing hydroxyl groups and their use in the production of polyurethane resins

Polyamines and a process for the production thereof

Process for the production of polyisocyanates containing urea and/or biuret groups, preparations obtainable thereby and their use

Process for the production of polyisocyanate compositions containing urea and/or biuret groups, the polyisocyanate compositions obtained by this process, and their use for the production of plastics by the isocyanate polyaddition process

Process for the production of urethane-modified polyisocyanate compositions using a hydantoin having two hydroxyl alkyl substituents

Process for the production of urethane-modified polyisocyanate using an oxyalkylated bisphenol

Homogeneous storage stable salt-containing mixture

Simplified process for the production of polyamines by the alkaline hydrolysis of compounds containing NCO-groups

Process for the production of optionally-foamed polyurethanes

Molded polyurethane articles prepared from recycled polyols and processes for their production and use

Process for the preparation of polyamines from N-monoaryl-N',N'-dialkyl urea compounds and their use for the synthesis of polyurethanes