Christian Bierhaus

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Dortmund, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of making and method of use of fine-grained polyarylene ethe...
- Patent number 7,875,234
- Issue date Jan 25, 2011
- Evonik Degussa GmbH
- Alexander Richter
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FINE-GRAINED POLYARYLENE ETHER KETONE POWDER
- Publication number 20090280263
- Publication date Nov 12, 2009
- DEGUSSA GmbH
- Alexander Richter
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method for Producing Polyarylene Ether Ketones
- Publication number 20080085990
- Publication date Apr 10, 2008
- DEGUSSA GmbH
- Alexander Richter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...