Aqueous emulsion polymer as dispersant

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United States of America Patent

PATENT NO 8822592
APP PUB NO 20090234062A1
SERIAL NO

10533573

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Abstract

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This invention relates to an aqueous emulsion polymer used as pigment dispersing agent comprising as copolymerized units the following monomers (A) an ethylenically unsaturated monomer containing at least one amino group; (B) an ethylenically unsaturated monomer containing no amino group; (C) optionally a hydroxy- or alkoxyalkyl(meth)acrylate of the formula CH2═CH(R1)—COO—CtH2t—OR2 wherein R1 is hydrogen or methyl and R2 is hydrogen or C1-C6alkyl and t is an integer of 2, 3, 4, 5 or 6; (D) a (poly)alkyleneglycolmono(meth)acrylate of the formula CH2═CH(R1)—COO—(CmH2mO)n—OR2 wherein R1 is hydrogen or methyl and R2 is hydrogen or C1-C6alkyl and m is an integer of 2 or 3 and n is an integer of 2 to 20.

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Patent Owner(s)

Patent OwnerAddress
CIBA SPECIALTY CHEMICALS CORP540 WHITE PLAINS ROAD P O BOX 2005 TARRYTOWN NY 10591

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kok, Harm-Jan Heerenveen, NL 2 14
Suurmeijer, Marleen Joure, NL 5 76

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