Gerhard Klein

Person

Monheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Polyester polyols, a process for the production thereof and the use...
- Patent number 7,763,683
- Issue date Jul 27, 2010
- Bayer MaterialScience AG
- Hartmut Nefzger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for cleaning production plants for polyester polyols
- Patent number 7,091,304
- Issue date Aug 15, 2006
- Bayer MaterialScience AG
- Hartmut Nefzger
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Polyurethane-based thickeners for aqueous compositions
- Patent number 5,612,408
- Issue date Mar 18, 1997
- Bayer Aktiengesellschaft
- Klaus Konig
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethane thickeners and their use for thickening aqueous systems
- Patent number 5,594,087
- Issue date Jan 14, 1997
- Bayer Aktiengesellschaft
- Klaus K onig
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
(Meth)acylic acid derivatives containing urethane groups
- Patent number 4,952,241
- Issue date Aug 28, 1990
- Bayer Aktiengesellschaft
- Jurgen Reiners
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Powder lacquer and its use for coating heat-resistant substrates
- Patent number 4,900,800
- Issue date Feb 13, 1990
- Bayer Aktiengesellschaft
- Reinhard Halpaap
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
(Methyl)acrylic acid derivatives containing urethane groups
- Patent number 4,879,402
- Issue date Nov 7, 1989
- Bayer Aktiengesellschaft
- Jurgen Reiners
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Isocyanurate group-containing polyisocyanates
- Patent number 4,851,531
- Issue date Jul 25, 1989
- Bayer Aktiengesellschaft
- Reinhard Halpaap
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diisocyanates and their use for the preparation of polyurethanes
- Patent number 4,835,239
- Issue date May 30, 1989
- Bayer Aktiengesellschaft
- Gerhard Klein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of prepolymers containing isocyanate gro...
- Patent number 4,777,220
- Issue date Oct 11, 1988
- Bayer Aktiengesellschaft
- Reinhard Halpaap
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Tertiary polyisocyanate derivatives
- Patent number 4,748,242
- Issue date May 31, 1988
- Bayer Aktiengesellschaft
- Reinhard Halpaap
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
(Meth)-acrylic acid derivatives of tricyclodecanes and their use
- Patent number 4,744,827
- Issue date May 17, 1988
- Bayer Aktiengesellschaft
- Jens Winkel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Adhesives with a high level of adhesion on plastics materials
- Patent number 4,694,043
- Issue date Sep 15, 1987
- Bayer Aktiengesellschaft
- Wolfgang Fischer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polymerizable compositions and the use of arylamines as hardening a...
- Patent number 4,694,041
- Issue date Sep 15, 1987
- Bayer Aktiengesellschaft
- Helmut-Martin Meier
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Arylamine derivatives which can be incorporated as copolymerized un...
- Patent number 4,673,713
- Issue date Jun 16, 1987
- Bayer Aktiengesellschaft
- Helmut-Martin Meier
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Arylamine derivatives which can be incorporated as co-polymerized u...
- Patent number 4,634,791
- Issue date Jan 6, 1987
- Bayer Aktiengesellschaft
- Helmut-Martin Meier
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Amines, processes for their preparation and their use in compositio...
- Patent number 4,628,112
- Issue date Dec 9, 1986
- Bayer Aktiengesellschaft
- Jens Winkel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Aliphatic-cycloaliphatic diisocyanates
- Patent number 4,613,685
- Issue date Sep 23, 1986
- Bayer Aktiengesellschaft
- Gerhard Klein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Adhesives with a high level of adhesion on plastics materials
- Patent number 4,605,703
- Issue date Aug 12, 1986
- Bayer Aktiengesellschaft
- Wolfgang Fischer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Cyclic keto-butyraldehydes a process for their preparation, and the...
- Patent number 4,505,860
- Issue date Mar 19, 1985
- Bayer Aktiengesellschaft
- Gerhard Klein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of nitriles from formamides
- Patent number 4,419,297
- Issue date Dec 6, 1983
- Bayer Aktiengesellschaft
- Dieter Arlt
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Polyester polyols, a process for the production thereof and the use...
- Publication number 20080090973
- Publication date Apr 17, 2008
- Hartmut Nefzger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for cleaning production plants for polyester polyols
- Publication number 20050143555
- Publication date Jun 30, 2005
- Hartmut Nefzger
- B08 - CLEANING
Information Patent Application
One-component isocyanate-crosslinking two-phase compositions
- Publication number 20030119976
- Publication date Jun 26, 2003
- Otto Ganster
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Gerhard Klein

Person

Patents Grantslast 30 patents

Polyester polyols, a process for the production thereof and the use...

Process for cleaning production plants for polyester polyols

Polyurethane-based thickeners for aqueous compositions

Polyurethane thickeners and their use for thickening aqueous systems

(Meth)acylic acid derivatives containing urethane groups

Powder lacquer and its use for coating heat-resistant substrates

(Methyl)acrylic acid derivatives containing urethane groups

Isocyanurate group-containing polyisocyanates

Diisocyanates and their use for the preparation of polyurethanes

Process for the production of prepolymers containing isocyanate gro...

Tertiary polyisocyanate derivatives

(Meth)-acrylic acid derivatives of tricyclodecanes and their use

Adhesives with a high level of adhesion on plastics materials

Polymerizable compositions and the use of arylamines as hardening a...

Arylamine derivatives which can be incorporated as copolymerized un...

Arylamine derivatives which can be incorporated as co-polymerized u...

Amines, processes for their preparation and their use in compositio...

Aliphatic-cycloaliphatic diisocyanates

Adhesives with a high level of adhesion on plastics materials

Cyclic keto-butyraldehydes a process for their preparation, and the...

Preparation of nitriles from formamides

Patents Applicationslast 30 patents

Polyester polyols, a process for the production thereof and the use...

Process for cleaning production plants for polyester polyols

One-component isocyanate-crosslinking two-phase compositions