Marie-Andree Yessine

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Montreal, CA

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Patents Grantslast 30 patents

Information Patent Grant
pH-sensitive polymer
- Patent number 7,879,966
- Issue date Feb 1, 2011
- Evonik Roehm GmbH
- Hans-Ulrich Petereit
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
pH-sensitive polymer
- Patent number 7,553,918
- Issue date Jun 30, 2009
- Roehm GmbH & Co KG
- Hans-Ulrich Petereit
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
PH-sensitive polymer
- Publication number 20060281887
- Publication date Dec 14, 2006
- ROEHM GMBH & CO. KG
- Hans-Ulrich Petereit
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Ph-sensitive polymer
- Publication number 20050154165
- Publication date Jul 14, 2005
- Hans-Ulrich Petereit
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE