Zhihong Wu

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Patents Grantslast 30 patents

Information Patent Grant
Manufacture of polytrimethylene ether glycol
- Patent number 7,164,046
- Issue date Jan 16, 2007
- E. I. Du Pont de Nemours and Company
- Hari Babu Sunkara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Separation of amine from a phenolic compound
- Patent number 7,049,471
- Issue date May 23, 2006
- E. I. Du Pont de Nemours and Company
- Carl Andrew Renner
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Separation of amine from a phenolic compound
- Publication number 20050080294
- Publication date Apr 14, 2005
- Carl A. Renner
- C07 - ORGANIC CHEMISTRY