The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 18, 2023
Filed:
Sep. 17, 2020
Applicant:
S.p.c.m. SA, Andrezieux-Boutheon, FR;
Inventors:
Alexandre Omont, Andrezieux, FR;
Renaud Souzy, Andrezieux, FR;
Marc-Edouard Michel, Andrezieux, FR;
Bruno Sabot, Andrezieux, FR;
Assignee:
S.P.C.M. SA, Andrezieux-Boutheon, FR;
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/07 (2006.01); C08K 3/30 (2006.01); C08K 3/32 (2006.01);
U.S. Cl.
CPC ...
C08J 3/07 (2013.01); C08K 3/30 (2013.01); C08K 3/32 (2013.01); C08J 2333/26 (2013.01); C08K 2003/3054 (2013.01); C08K 2003/322 (2013.01);
Abstract
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.