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:
Jul. 14, 2020
Filed:
Sep. 16, 2016
Mitsui Chemicals, Inc., Minato-ku, Tokyo, JP;
Tatsuya Ogawa, Omuta, JP;
Andrea Vecchione, Rimini, IT;
Roberto Forestieri, Ravenna, IT;
Fiorenzo Renzi, Ravenna, IT;
Willem Bos, Arnhem, NL;
MITSUI CHEMICALS, INC., Minato-Ku, Tokyo, JP;
Abstract
A polymerizable composition according to the present invention includes a compound (A) including two or more allyloxycarbonyl groups represented by Formula (1); at least one kind of polymerization initiator (B) selected from the group consisting of a peroxyketal-based radical polymerization initiator, a peroxy monocarbonate-based radical polymerization initiator, and a peroxyester-based radical polymerization initiator; and at least one kind of photochromic compound (C) selected from a naphthopyran compound group.