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. 28, 2020
Filed:
Nov. 25, 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 for an optical material of the present invention includes a compound (A) represented by General Formula (1) including two or more allyloxycarbonyl groups; an ultraviolet absorbing agent (B) represented by General Formula (i); at least one kind of radical polymerization initiator (C) selected from the group consisting of a peroxyketal-based radical polymerization initiator, a peroxymonocarbonate-based radical polymerization initiator, and a peroxyester-based radical polymerization initiator; at least one kind of dye (D) selected from an anthraquinone-based dye, a perinone-based dye, a monoazo-based dye, a diazo-based dye, and a phthalocyanine-based dye.