Ralf Rausch

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Kreuzau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Precipitated silicas
- Patent number 7,071,257
- Issue date Jul 4, 2006
- Degussa AG
- Heinz Esch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Precipitated silicas
- Patent number 6,977,065
- Issue date Dec 20, 2005
- Degussa AG
- Heinz Esch
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Precipitated silicas which contain an active substance
- Patent number 6,214,383
- Issue date Apr 10, 2001
- Degussa-Huls AG
- Heinz Esch
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Precipitated silicas
- Patent number 5,925,708
- Issue date Jul 20, 1999
- Degussa Aktiengesellschaft
- Heinz Esch
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Precipitated silica
- Patent number 5,871,867
- Issue date Feb 16, 1999
- Degussa Aktiengesellschaft
- Ralf Rausch
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Precipitated silicas
- Patent number 5,846,506
- Issue date Dec 8, 1998
- Degussa Aktiengesellschaft
- Heinz Esch
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of precipitated silica
- Patent number 5,484,581
- Issue date Jan 16, 1996
- Degussa Aktiengesellschaft
- Heinz Esch
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Precipitated Silica
- Publication number 20070208127
- Publication date Sep 6, 2007
- Heinz Esch
- B60 - VEHICLES IN GENERAL
Information Patent Application
Precipitated silica
- Publication number 20050282951
- Publication date Dec 22, 2005
- DEGUSSA AG
- Heinz Esch
- B60 - VEHICLES IN GENERAL
Information Patent Application
Precipitated silicas
- Publication number 20020169248
- Publication date Nov 14, 2002
- Heinz Esch
- C01 - INORGANIC CHEMISTRY