Walter Barthel

Person

Langenselbold, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Granular bitumen coated with precipitated silica
- Patent number 5,382,348
- Issue date Jan 17, 1995
- Degussa AG
- Karl-Hans Muller
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Granular bitumen coated with carbon black or silica
- Patent number 5,053,279
- Issue date Oct 1, 1991
- Degussa Aktiengesellschaft
- Ivo Daniels
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and spraying apparatus for applying a layer of air-sprayed c...
- Patent number 4,993,884
- Issue date Feb 19, 1991
- Degussa Aktiengesellschaft
- Karl-Hans Mueller
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Powdered bitumen concentrate and its use
- Patent number 4,710,229
- Issue date Dec 1, 1987
- Degussa Aktiengesellschaft
- Karl H. Muller
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for improving the mineral asphalt coatings for streets and...
- Patent number 4,410,589
- Issue date Oct 18, 1983
- Degussa Aktiengesellschaft
- Karl-Hans Muller
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Pulverulent bitumen concentrate and its use
- Patent number 4,378,999
- Issue date Apr 5, 1983
- Degussa AG
- Karl-Hans Muller
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Bituminous binder, process for its production and use
- Patent number 4,375,988
- Issue date Mar 8, 1983
- Degussa Aktiengesellschaft
- Karl-Hans Mueller
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Mastic asphalt composition
- Patent number 4,371,400
- Issue date Feb 1, 1983
- Degussa Aktiengesellschaft
- Karl-Hans Muller
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Mastic asphalt mixture
- Patent number 4,322,250
- Issue date Mar 30, 1982
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Karl-Hans Muller
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Method and device for manufacturing a bitumen-bonded construction m...
- Publication number 20050076810
- Publication date Apr 14, 2005
- Mitteldeutsche Harstein-Industrie AG
- Walter Barthel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method and device for producing a bitumen-bonded construction mater...
- Publication number 20040033308
- Publication date Feb 19, 2004
- Mitteldeutsche Harstein-Industrie AG
- Walter Barthel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Walter Barthel

Person

Patents Grantslast 30 patents

Granular bitumen coated with precipitated silica

Granular bitumen coated with carbon black or silica

Method and spraying apparatus for applying a layer of air-sprayed c...

Powdered bitumen concentrate and its use

Process for improving the mineral asphalt coatings for streets and...

Pulverulent bitumen concentrate and its use

Bituminous binder, process for its production and use

Mastic asphalt composition

Mastic asphalt mixture

Patents Applicationslast 30 patents

Method and device for manufacturing a bitumen-bonded construction m...

Method and device for producing a bitumen-bonded construction mater...