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:
Sep. 29, 2026
Filed:
Feb. 07, 2020
Applicant:
Mitsui Chemicals, Inc., Tokyo, JP;
Inventors:
Masaru Kawaguchi, Mizuma-gun, JP;
Shinsuke Ito, Omuta, JP;
Assignee:
MITSUI CHEMICALS, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/3475 (2006.01); C08G 18/38 (2006.01); C08G 18/76 (2006.01); C08K 5/45 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08K 5/3475 (2013.01); C08G 18/3876 (2013.01); C08G 18/765 (2013.01); C08K 5/45 (2013.01); G02B 1/041 (2013.01);
Abstract
A polymerizable composition for an optical material of the present disclosure includes (A) an isocyanate compound, (B) at least one active hydrogen compound selected from the group consisting of a polythiol compound having two or more mercapto groups, a hydroxythiol compound having one or more mercapto groups and one or more hydroxyl groups, a polyol compound having two or more hydroxyl groups, and an amine compound, and (C) an ultraviolet absorber represented by General Formula (1).