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:
Nov. 08, 2016
Filed:
Jan. 30, 2013
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Mathias Destarac, Toulouse, FR;
James Wilson, Coye la Foret, FR;
Assignee:
Rhodia Operations, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 226/10 (2006.01); C08F 2/22 (2006.01); C08F 26/06 (2006.01); C08F 293/00 (2006.01); C08F 2/20 (2006.01); C08F 214/06 (2006.01); C08F 214/18 (2006.01); C08F 2/38 (2006.01); C08F 218/08 (2006.01); A61K 8/06 (2006.01); A61K 8/81 (2006.01); C09D 127/08 (2006.01); C09D 131/04 (2006.01); C09J 127/08 (2006.01); C09J 131/04 (2006.01); C09K 8/588 (2006.01);
U.S. Cl.
CPC ...
C08F 2/22 (2013.01); A61K 8/06 (2013.01); A61K 8/8123 (2013.01); A61K 8/8135 (2013.01); C08F 2/20 (2013.01); C08F 2/38 (2013.01); C08F 26/06 (2013.01); C08F 214/06 (2013.01); C08F 214/18 (2013.01); C08F 218/08 (2013.01); C08F 293/005 (2013.01); C09D 127/08 (2013.01); C09D 131/04 (2013.01); C09J 127/08 (2013.01); C09J 131/04 (2013.01); C09K 8/588 (2013.01); A61K 2800/10 (2013.01); C08F 226/10 (2013.01); C08F 2438/03 (2013.01);
Abstract
The present invention concerns a method for preparing a polymer comprising a step (EI) for dispersed phase polymerization in the presence of a reactive stabiliser, wherein the following are brought into contact in an aqueous phase:—at least one ethylenically unsaturated monomer; —at least one source of free radicals; and—a reactive stabiliser comprising a polymer chain including monomer units (N-vinyl lactam) and a thiocarbonylthio-S group (C═S)—.