Kenneth S. Williams

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Baltimore, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Water-soluble cationic copolymers and their use as flocculants and...
- Patent number 5,700,893
- Issue date Dec 23, 1997
- BetzDearborn Inc.
- Lawrence Lu Kuo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Water-soluble cationic copolymers and their use as flocculants and...
- Patent number 5,681,912
- Issue date Oct 28, 1997
- BetzDearborn Inc.
- Lawrence Lu Kuo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-soluble cationic copolymers and their use as flocculants
- Patent number 5,529,699
- Issue date Jun 25, 1996
- W. R. Grace & Co.-Conn.
- Lawrence L. Kuo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of producing water-soluble cationic copolymers
- Patent number 5,516,852
- Issue date May 14, 1996
- W. R. Grace & Co.-Conn.
- Lawrence L. Kuo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Water-soluble cationic copolymers and their use as drainage retenti...
- Patent number 5,473,033
- Issue date Dec 5, 1995
- W. R. Grace & Co.-Conn.
- Lawrence L. Kuo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE