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:
Dec. 01, 2020
Filed:
Oct. 26, 2017
Applicant:
Arkema France, Colombes, FR;
Inventors:
Mélanie Lafarge, Suresnes, FR;
Bruno Van Hemelryck, Chaponost, FR;
Jean-Pierre Disson, Vernaison, FR;
Assignee:
ARKEMA FRANCE, Colombes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/14 (2006.01); C08F 218/00 (2006.01); C08F 265/04 (2006.01); C08G 64/02 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08K 5/14 (2013.01); C08F 218/00 (2013.01); C08F 265/04 (2013.01); C08G 64/0291 (2013.01); C08F 218/24 (2020.02); G02B 1/041 (2013.01);
Abstract
The present invention relates to the use of one or more specific organic peroxides for the polymerization of an allylic monomer and/or at least one allylic copolymer. The invention also relates to a composition comprising at least one allylic monomer and/or at least one allylic copolymer and at least one specific organic peroxide. The invention also relates to the use of the composition as defined above for the manufacture of an organic glass, preferably an ophthalmic lens, possibly optionally being tinted by means of pigments and/or organic dyes.