Ralf Dohrn

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Bergisch Gladbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for stripping polymer polyols
- Patent number 7,790,804
- Issue date Sep 7, 2010
- Bayer MaterialScience AG
- Michael Brockelt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Process for stripping polymer polyols
- Publication number 20080033139
- Publication date Feb 7, 2008
- Michael Brockelt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for reducing the chlorine content of low molecular weight i...
- Publication number 20020052466
- Publication date May 2, 2002
- Martin Brahm
- C07 - ORGANIC CHEMISTRY