Carboxyl group-containing polymer and composition containing the same

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United States of America Patent

PATENT NO 9834632
APP PUB NO 20150307642A1
SERIAL NO

14424328

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Abstract

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The present invention provides a carboxyl group-containing polymer and a composition containing the polymer which exhibit excellent anti-soil redeposition ability in fabric washing. The carboxyl group-containing polymer includes specific ratios of a structure unit (a) derived from an ether bond-containing monomer (A), a structure unit (b) derived from a sulfonic acid group-containing monomer (B), and a structure unit (c) derived from an acrylic acid-based monomer (C), and has a specific weight average molecular weight. The carboxyl group-containing polymer composition contains the carboxyl group-containing polymer and a specific amount of a hydrogen sulfite adduct of the acrylic acid-based monomer (C).

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Patent Owner(s)

Patent OwnerAddress
NIPPON SHOKUBAI CO LTD1-1 KORAIBASHI 4-CHOME CHUO-KU OSAKA-SHI OSAKA 541-0043

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dupont, Jeffrey Scott Cincinnati, US 38 652
Loughnane, Brian Joseph Fairfield, US 63 590
Michitaka, Daisuke Osaka, JP 17 48
Wang, Xiaoli Beijing, CN 100 658
Yoneda, Atsuro Osaka, JP 32 179

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