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:
Jan. 05, 2016
Filed:
Jun. 13, 2013
Applicant:
Solvay SA, Brussels, BE;
Inventors:
Peter Claassen, Zevenaar, NL;
Roland Offner, Tavaux, FR;
Benoit Faye, Brussels, BE;
Yves Vanderveken, Heverlee, BE;
Assignee:
SOLVAY (Societe Anonyme), Brussels, BE;
Primary Examiner:
Int. Cl.
CPC ...
C08F 214/08 (2006.01); C08L 51/00 (2006.01); C08F 265/04 (2006.01); C08F 2/24 (2006.01); B29K 27/00 (2006.01);
U.S. Cl.
CPC ...
C08F 265/04 (2013.01); C08F 2/24 (2013.01); C08F 214/08 (2013.01); C08L 51/003 (2013.01); B29K 2027/08 (2013.01);
Abstract
Process for preparing a seed latex of a methyl methacrylate polymer (PMMA) by radical polymerization in aqueous emulsion of methyl methacrylate and optionally at least one comonomer. Process for preparing a chlorinated vinyl polymer latex by radical polymerization in aqueous emulsion of at least one chlorinated vinyl monomer, according to which the polymerization takes place in the presence of at most 3% by weight, expressed relative to the total weight of the monomers, of the PMMA seed latex.