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:
Mar. 22, 2016
Filed:
Feb. 11, 2014
Applicant:
S.p.c.m. SA, Andrezieux-Boutheon, FR;
Inventors:
Frederic Blondel, Lezigneux, FR;
Lionel Champagnon, Magneux Haute Rive, FR;
Assignee:
S.P.C.M. SA, Andrezieux-Boutheon, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/00 (2006.01); C08F 20/06 (2006.01); C08F 2/32 (2006.01); C08F 220/06 (2006.01);
U.S. Cl.
CPC ...
C08F 20/06 (2013.01); C08F 2/32 (2013.01); C08F 220/06 (2013.01);
Abstract
The present invention relates to a process for preparing a polymer by polymerization of an aqueous solution of one or more monomers in water-in-oil inverse emulsion, in which one or more of the monomers used comprise(s) at least one acid function, the molar percentage of monomers bearing at least one weak acid function relative to all the monomers used being at least 30%, wherein: