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. 19, 2010
Filed:
Dec. 08, 2004
Stéphanie Magnet, Morlanne, FR;
Olivier Guerret, Mazerolles, FR;
Nicolas Passade Boupat, Pau, FR;
Christian Laurichesse, Bernay, FR;
Nour Eddine El Bounia, Orthez, FR;
Stéphanie Magnet, Morlanne, FR;
Olivier Guerret, Mazerolles, FR;
Nicolas Passade Boupat, Pau, FR;
Christian Laurichesse, Bernay, FR;
Nour Eddine El Bounia, Orthez, FR;
Arkema France, Colombes, FR;
Abstract
The present invention describes linear or star block copolymers, their process of preparation and their use in adhesive compositions, in particular as pressure-sensitive adhesive. The copolymers of the invention are prepared by controlled radical polymerization by nitroxides; they exhibit at least one soft block with a Tg of less than 0° C. and at least one hard block with a Tg of greater than ambient temperature.