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:
Sep. 27, 2022
Filed:
Nov. 23, 2018
Applicant:
Arkema France, Colombes, FR;
Inventors:
Anne-Laure Brocas, Peyrehorade, FR;
Sylvie Cazaumayou, Dax, FR;
Sylvain Bourrigaud, Morlanne, FR;
Guillaume Decrevoisier, Boulogne Billancourt, FR;
Assignee:
Arkema France, Colombes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 220/06 (2006.01); C08F 212/08 (2006.01); B33Y 70/00 (2020.01); C08F 212/14 (2006.01);
U.S. Cl.
CPC ...
C08F 220/06 (2013.01); B33Y 70/00 (2014.12); C08F 212/22 (2020.02); C08F 212/30 (2020.02); C08F 2438/01 (2013.01); C08F 2438/02 (2013.01); C08F 2438/03 (2013.01);
Abstract
The present invention relates to the field of copolymers which are water-soluble or water-dispersible at neutral pH or near-neutral pH, that is to say between 5.5 and 9.5, comprising at least one random copolymer comprising methacrylic acid, butyl acrylate, styrene and a monomer chosen from styrenesulfonic acid or salts thereof, vinylbenzoic acid or salts thereof, 2-acrylamido-2-methanesulfonic acid or salts thereof, N-vinylpyrrolidone, alone or in combination.