Yen Chun Wu

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Holly Springs, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Paper softening compositions containing quaternary ammonium compoun...
- Patent number 7,311,853
- Issue date Dec 25, 2007
- The Procter & Gamble Company
- Kenneth Douglas Vinson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Paper softening compositions containing quaternary ammonium compoun...
- Publication number 20040057982
- Publication date Mar 25, 2004
- The Procter & Gamble Company
- Kenneth Douglas Vinson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE