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Lawrence K. Wempe
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Center Valley, PA, US
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last 30 patents
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Patent Grant
Crosslinkable aqueous fluoropolymer based dispersions
Patent number
6,680,357
Issue date
Jan 20, 2004
ATOFINA Chemicals, Inc.
Lotfi Hedhli
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Vinyl alcohol copolymers containing allylamine functionality
Patent number
5,155,167
Issue date
Oct 13, 1992
Air Products and Chemicals, Inc.
Robert K. Pinschmidt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Vinyl acetate copolymer emulsions for paper coating compositions
Patent number
4,599,378
Issue date
Jul 8, 1986
Air Products and Chemicals, Inc.
Mary L. Hausman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Vinyl acetate/ethylene copolymer emulsions for paper coating compos...
Patent number
4,503,185
Issue date
Mar 5, 1985
Air Products and Chemicals, Inc.
Mary L. Hausman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Substrates coated with release composition based on polyvinyl alcoh...
Patent number
4,440,830
Issue date
Apr 3, 1984
Lawrence K. Wempe
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for reducing wall fouling in vinyl chloride polymerization
Patent number
4,420,591
Issue date
Dec 13, 1983
Air Products and Chemicals, Inc.
Lawrence K. Wempe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Release coatings based on polyvinyl alcohol
Patent number
4,386,183
Issue date
May 31, 1983
Air Products and Chemicals, Inc.
Lawrence K. Wempe
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE