Jiwei Chen

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Method of improving retention and drainage in a papermaking process...
- Patent number 6,592,718
- Issue date Jul 15, 2003
- Ondeo Nalco Company
- Jane B. Wong Shing
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...