Walter Hellermann

Person

Dorsten, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing an extrusion-coated metal article
- Patent number 6,500,554
- Issue date Dec 31, 2002
- Degussa AG
- Klaus Gahlmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Tire tread of butadiene copolymer, polybutadiene and aromatic oil
- Patent number 6,119,743
- Issue date Sep 19, 2000
- Huels Aktiengesellschaft
- Walter Hellermann
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Tire treads having low rolling resistance and improved ABS braking
- Patent number 6,063,853
- Issue date May 16, 2000
- Huels Aktiengesellschaft
- Walter Hellermann
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Lightweight building board
- Patent number 5,942,307
- Issue date Aug 24, 1999
- Huels Aktiengesellschaft
- Walter Hellermann
- B32 - LAYERED PRODUCTS
Information Patent Grant
Tire tread of diene rubber, and naphthenic and/or paraffinic oil, o...
- Patent number 5,905,112
- Issue date May 18, 1999
- Huels Aktiengesellschaft
- Walter Hellermann
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Unsaturated, elastomeric, asymmetrically coupled block copolymer, a...
- Patent number 5,147,939
- Issue date Sep 15, 1992
- Huels Aktiengesellschaft
- Walter Hellermann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
3,4-polyisoprene-containing rubber blend mixtures for tire treads
- Patent number 5,104,941
- Issue date Apr 14, 1992
- Huels Aktiengesellschaft
- Jurgen Wolpers
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Statistical AB-block copolymers having improved properties, process...
- Patent number 5,100,967
- Issue date Mar 31, 1992
- Huels AG
- Jurgen Wolpers
- B60 - VEHICLES IN GENERAL
Information Patent Grant
ABC block copolymers based on butadiene, isoprene and styrene, proc...
- Patent number 5,096,973
- Issue date Mar 17, 1992
- Huels Aktiengesellschaft
- Christoph Herrmann
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Unsaturated, elastomeric, asymmetrically, coupled block copolymers,...
- Patent number 5,061,758
- Issue date Oct 29, 1991
- Huels Aktiengesellschaft
- Walter Hellermann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
AB block copolymers based on butadiene, isoprene and styrene
- Patent number 5,053,459
- Issue date Oct 1, 1991
- Huls Aktiengesellschaft
- Christoph Herrmann
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process for the preparation of polymers based on conjugated dienes...
- Patent number 5,008,343
- Issue date Apr 16, 1991
- Huels Aktiengesellschaft
- Walter Hellermann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
AB block copolymers based on butadiene, isoprene and styrene, proce...
- Patent number 4,981,911
- Issue date Jan 1, 1991
- Huels Aktiengesellschaft
- Christoph Herrmann
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Preparation of polyisoprene having high content of 1,2- and 3,4-str...
- Patent number 4,894,425
- Issue date Jan 16, 1990
- Huels Aktiengesellschaft
- Walter Hellermann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
ABC block copolymers based on butadiene and isoprene, process for t...
- Patent number 4,814,386
- Issue date Mar 21, 1989
- Huels Aktiengesellschaft
- Walter Hellermann
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Process for producing an extrusion-coated metal article
- Publication number 20010023537
- Publication date Sep 27, 2001
- Degussa-Huels
- Klaus Gahlmann
- B32 - LAYERED PRODUCTS
Information Patent Application
Multilayer plastic pipe with good layer adhesion
- Publication number 20010018105
- Publication date Aug 30, 2001
- DEGUSSA-HUELS AKTIENGESELLSCHAFT
- Guido Schmitz
- B32 - LAYERED PRODUCTS

Walter Hellermann

Person

Patents Grantslast 30 patents

Process for producing an extrusion-coated metal article

Tire tread of butadiene copolymer, polybutadiene and aromatic oil

Tire treads having low rolling resistance and improved ABS braking

Lightweight building board

Tire tread of diene rubber, and naphthenic and/or paraffinic oil, o...

Unsaturated, elastomeric, asymmetrically coupled block copolymer, a...

3,4-polyisoprene-containing rubber blend mixtures for tire treads

Statistical AB-block copolymers having improved properties, process...

ABC block copolymers based on butadiene, isoprene and styrene, proc...

Unsaturated, elastomeric, asymmetrically, coupled block copolymers,...

AB block copolymers based on butadiene, isoprene and styrene

Process for the preparation of polymers based on conjugated dienes...

AB block copolymers based on butadiene, isoprene and styrene, proce...

Preparation of polyisoprene having high content of 1,2- and 3,4-str...

ABC block copolymers based on butadiene and isoprene, process for t...

Patents Applicationslast 30 patents

Process for producing an extrusion-coated metal article

Multilayer plastic pipe with good layer adhesion