Heinz Esch

Person

Bonn, DE

People

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, a process for their preparation and their use...
- Patent number 5,859,117
- Issue date Jan 12, 1999
- Degussa Aktiengsellschaft
- Udo Goerl
- 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
Precipitated silicas, a process for their preparation and their use...
- Patent number 5,705,137
- Issue date Jan 6, 1998
- Degussa Aktiengesellschaft
- Udo Goerl
- 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
Information Patent Grant
Precipitated silica paste
- Patent number 5,256,196
- Issue date Oct 26, 1993
- Degussa Aktiengesellschaft
- Marian Chjonowski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Precipitated silicas having high structure and process for their pr...
- Patent number 4,495,167
- Issue date Jan 22, 1985
- Degussa Aktiengesellschaft
- Peter Nauroth
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Precipitated silicic acid, method and compositions containing same
- Patent number 4,308,074
- Issue date Dec 29, 1981
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Peter Nauroth
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Precipitated silicic acid, method and compositions containing same
- Patent number 4,273,589
- Issue date Jun 16, 1981
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Peter Nauroth
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Hydrophobic precipitated silicic acid and compositions containing same
- Patent number 4,208,316
- Issue date Jun 17, 1980
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Peter Nauroth
- B82 - NANO-TECHNOLOGY

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

Person

Patents Grantslast 30 patents

Precipitated silicas

Precipitated silicas

Precipitated silicas which contain an active substance

Precipitated silicas

Precipitated silica

Precipitated silicas, a process for their preparation and their use...

Precipitated silicas

Precipitated silicas, a process for their preparation and their use...

Process for the production of precipitated silica

Precipitated silica paste

Precipitated silicas having high structure and process for their pr...

Precipitated silicic acid, method and compositions containing same

Precipitated silicic acid, method and compositions containing same

Hydrophobic precipitated silicic acid and compositions containing same

Patents Applicationslast 30 patents

Precipitated Silica

Precipitated silica

Precipitated silicas