Ralph Hofmann

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Buchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing an aluminium oxide powder having a high alpha...
- Patent number 8,834,833
- Issue date Sep 16, 2014
- Evonik Degussa GmbH
- Christian Schulze-Isfort
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Pyrogenic titanium dioxide compressed to slugs
- Patent number 8,349,441
- Issue date Jan 8, 2013
- Evonik Degussa GmbH
- Ralph Hofmann
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process for preparation of rubber mixtures containing silicon dioxide
- Patent number 8,252,853
- Issue date Aug 28, 2012
- Evonik Degussa GmbH
- Rainer Friehmelt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Pyrogenically prepared silicon dioxide compacted to give crusts
- Patent number 7,842,269
- Issue date Nov 30, 2010
- Evonik Degussa GmbH
- Uwe Schachtely
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PREPARING AN ALUMINIUM OXIDE POWDER HAVING A HIGH ALPHA...
- Publication number 20110217552
- Publication date Sep 8, 2011
- EVONIK DEGUSSA GmbH
- Christian Schulze-Isfort
- C01 - INORGANIC CHEMISTRY
Information Patent Application
FLAKES COMPRISING PYROGENICALLY PREPARED SILICON DIOXIDE
- Publication number 20100261823
- Publication date Oct 14, 2010
- EVONIK DEGUSSA GmbH
- Florian Felix Kneisel
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PYROGENICALLY PREPARED SILICON DIOXIDE COMPACTED TO GIVE CRUSTS
- Publication number 20100179269
- Publication date Jul 15, 2010
- Uwe Schachtely
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for Preparation of Rubber Mixtures Containing Silicon Dioxide
- Publication number 20100010116
- Publication date Jan 14, 2010
- Degussa GmbH
- Rainer Friehmelt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PYROGENIC TITANIUM DIOXIDE COMPRESSED TO SLUGS
- Publication number 20090280309
- Publication date Nov 12, 2009
- EVONIK DEGUSSA GmbH
- Ralph Hofmann
- B82 - NANO-TECHNOLOGY