Aqueous dispersion of hydrosoluble or hydroswellable polymer

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United States of America Patent

PATENT NO 11702513
APP PUB NO 20210079169A1
SERIAL NO

17023974

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Abstract

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The present invention concerns an aqueous dispersion comprising particles of water-soluble polymer of average molecular weight higher than or equal to 0.5 million daltons, or of water-swellable polymer, and a mixture of at least one sulfate salt and at least one phosphate salt in weight proportions of between 25:75 and 75:25.

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Patent Owner(s)

  • S.P.C.M. SA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Michel, Marc-Edouard Andrezieux, FR 2 0
Omont, Alexandre Andrezieux, FR 4 3
Sabot, Bruno Andrezieux, FR 3 12
Souzy, Renaud Andrezieux, FR 19 58

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