Wolfgang Wellner

Person

Cologne, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Wood or wood product coated with an aqueous, air-drying coating agent
- Patent number 5,089,342
- Issue date Feb 18, 1992
- Bayer Aktiengesellschaft
- Rolf Dhein
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Process for the preparation of aqueous, oxidatively drying alkyd re...
- Patent number 5,004,779
- Issue date Apr 2, 1991
- Bayer Aktiengesellschaft
- Harald Blum
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Oxidatively cross-linkable, water dilutable binders, a process for...
- Patent number 4,985,506
- Issue date Jan 15, 1991
- Bayer Aktiengesellschaft
- Harald Blum
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of modified polyisocyanates, the polyiso...
- Patent number 4,935,486
- Issue date Jun 19, 1990
- Bayer Aktiengesellschaft
- Wolfgang Wellner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polyisocyanates containing urethane...
- Patent number 4,910,332
- Issue date Mar 20, 1990
- Bayer Aktiengesellschaft
- Lothar Kahl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulphonic acid amidamines
- Patent number 4,816,576
- Issue date Mar 28, 1989
- Bayer Akteingesellschaft
- Hans-Josef Buysch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of mercapto group-containing oligouretha...
- Patent number 4,742,125
- Issue date May 3, 1988
- Bayer Aktiengesellschaft
- Manfred Schmidt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of thixotropic binders, the binder obta...
- Patent number 4,719,278
- Issue date Jan 12, 1988
- Bayer Aktiengesellschaft
- Wolfgang Wellner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of oligourethanes containing mercapto gr...
- Patent number 4,602,071
- Issue date Jul 22, 1986
- Bayer Aktiengesellschaft
- Wolfgang Wellner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst systems containing an organic disulfide carboxylates and/o...
- Patent number 4,465,826
- Issue date Aug 14, 1984
- Bayer Aktiengesellschaft
- Wolfgang Wellner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coatings prepared from prepolymers and aromatic diamines having at...
- Patent number 4,463,126
- Issue date Jul 31, 1984
- Bayer Aktiengesellschaft
- Hermann Gruber
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Insulated one-piece roof
- Patent number 4,453,358
- Issue date Jun 12, 1984
- Bayer Aktiengesellschaft
- Hermann Gruber
- E04 - BUILDING
Information Patent Grant
Process for preparing glass constructions
- Patent number 4,433,010
- Issue date Feb 21, 1984
- Bayer Aktiengesellschaft
- Josef Pedain
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cycloaminals and a process for their preparation
- Patent number 4,404,379
- Issue date Sep 13, 1983
- Bayer Aktiengesellschaft
- Manfred Hajek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of polyureas
- Patent number 4,328,330
- Issue date May 4, 1982
- Bayer Aktiengesellschaft
- Wolfgang Wellner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous dispersions of epoxide compounds
- Patent number 4,318,832
- Issue date Mar 9, 1982
- Bayer Aktiengesellschaft
- Karl Zabrocki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-hardenable mixtures
- Patent number 4,279,793
- Issue date Jul 21, 1981
- Bayer Aktiengesellschaft
- Wolfgang Wellner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cyanoethylated polyamide amines as hardeners for polyepoxides
- Patent number 4,263,162
- Issue date Apr 21, 1981
- Bayer Aktiengesellschaft
- Hans-Josef Buysch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for polyurethanes from ortho-ester-blocked polyols
- Patent number 4,204,051
- Issue date May 20, 1980
- Bayer Aktiengesellschaft
- Wolfgang Wellner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polyisocyanate polyaddition products...
- Patent number 4,150,213
- Issue date Apr 17, 1979
- Bayer Aktiengesellschaft
- Jurgen Hocker
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydrocurable oxazolidine isocyanate prepolymer compositions
- Patent number 4,118,376
- Issue date Oct 3, 1978
- Bayer Aktiengesellschaft
- Josef Pedain
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Wolfgang Wellner

Person

Patents Grantslast 30 patents

Wood or wood product coated with an aqueous, air-drying coating agent

Process for the preparation of aqueous, oxidatively drying alkyd re...

Oxidatively cross-linkable, water dilutable binders, a process for...

Process for the production of modified polyisocyanates, the polyiso...

Process for the preparation of polyisocyanates containing urethane...

Sulphonic acid amidamines

Process for the production of mercapto group-containing oligouretha...

Process for the preparation of thixotropic binders, the binder obta...

Process for the production of oligourethanes containing mercapto gr...

Catalyst systems containing an organic disulfide carboxylates and/o...

Coatings prepared from prepolymers and aromatic diamines having at...

Insulated one-piece roof

Process for preparing glass constructions

Cycloaminals and a process for their preparation

Process for the production of polyureas

Aqueous dispersions of epoxide compounds

Water-hardenable mixtures

Cyanoethylated polyamide amines as hardeners for polyepoxides

Process for polyurethanes from ortho-ester-blocked polyols

Process for the production of polyisocyanate polyaddition products...

Hydrocurable oxazolidine isocyanate prepolymer compositions