Wenkai Zhang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Polyurethane foams containing silicone surfactants
- Patent number 8,044,109
- Issue date Oct 25, 2011
- Momentive Performance Materials Inc.
- Zhihong Gu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Polyurethane foams containing silicone surfactants
- Publication number 20090253817
- Publication date Oct 8, 2009
- Momentive Performance Materials, Inc.
- Zhihong Gu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...