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. 05, 2013
Filed:
Dec. 22, 2005
Use of copolymers with a composition gradient as stabilizers in emulsion free-radical polymerization
Applicants:
Stephanie Magnet, Morlanne, FR;
Olivier Guerret, La Tour de Salvagny, FR;
Catherine Lefay, Alforville, FR;
Bernadette Charleux, Vincennes, FR;
Inventors:
Stephanie Magnet, Morlanne, FR;
Olivier Guerret, La Tour de Salvagny, FR;
Catherine Lefay, Alforville, FR;
Bernadette Charleux, Vincennes, FR;
Assignee:
Arkema France, Colombes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 112/08 (2006.01); C08F 2/24 (2006.01); C08F 118/02 (2006.01); C08F 253/00 (2006.01); C08L 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention describes the use of copolymers with a composition gradient as sole stabilizer in emulsion free-radical polymerization. The copolymers of the invention are prepared via controlled free-radical polymerization and comprise at least one hydrophilic monomer such as acrylic acid and at least one hydrophobic monomer such as styrene.