Andrei S. Zelenev

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Oak Park, IL, US

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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-...
Information Patent Grant
Structurally rigid nonionic and anionic polymers as retention and d...
- Patent number 6,444,091
- Issue date Sep 3, 2002
- Nalco Chemical Company
- William J. Ward
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE