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:
Oct. 21, 2025
Filed:
Dec. 05, 2018
Applicant:
Mitsui Chemicals, Inc., Tokyo, JP;
Inventors:
Tatsuya Ogawa, Omuta, JP;
Masayuki Furuya, Arao, JP;
Assignee:
MITSUI CHEMICALS, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 18/24 (2006.01); C08K 5/053 (2006.01); C09D 133/06 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08F 18/24 (2013.01); C08K 5/053 (2013.01); C09D 133/06 (2013.01); G02B 1/041 (2013.01);
Abstract
A polymerizable composition for an optical material includes: an allyl carbonate compound (A) including two or more allyloxycarbonyl groups at a terminal which is represented by General Formula (1); and a radical polymerization initiator (B). The radical polymerization initiator (B) includes at least one kind of radical polymerization initiator (B1) which is a peroxyester-based radical polymerization initiator, and a radical polymerization initiator (B2).