Method for making water-dispersible and water-dispersed polymers

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United States of America Patent

PATENT NO 11673976
APP PUB NO 20210071011A1
SERIAL NO

16771798

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Abstract

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Water-dispersible or water-dispersed polymers are made by reacting (i) an unsaturated monomer containing one or more cyclic carbonate groups, or (ii) an unsaturated or saturated oligomer or polymer containing a plurality of cyclic carbonate groups, with a tertiary amine in the presence of an acid, or with an acid in the presence of a tertiary amine, or in the presence of an acid and a tertiary amine, to provide a water-dispersible or water-dispersed monomer, oligomer or polymer. When step a) provides a monomer or oligomer, the monomer or oligomer is reacted with one or more monomers in the presence of an initiator to provide a water-dispersible or water-dispersed polymer. When step a) provides a polymer, the polymer is optionally used to support emulsion polymerization of one or more unsaturated monomers in the presence of an initiator to provide a water-dispersible or water-dispersed further polymer.

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Patent Owner(s)

Patent OwnerAddress
SWIMC LLC1100 MIDLAND - LEGAL DEPARTMENT 101 W PROSPECT AVE CLEVELAND OHIO 44115 44115

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
DeSousa, Joseph D Pittsburgh, US 15 83
Evans, Richard H Wexford, US 72 1209
Gibanel, Sebastien Givry, FR 51 279
O'Brien, Robert M Monongahela, US 89 1176
Riazzi, Arthur Harrison City, US 6 1
Sawant, Kailas B Mars, US 21 101
Webster, Benjamin J Pittsburgh, US 8 20

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