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:
Feb. 18, 2020
Filed:
Oct. 24, 2017
Applicant:
Mitsui Chemicals, Inc., Minato-ku, Tokyo, JP;
Inventor:
Akinori Ryu, Arao, JP;
Assignee:
MITSUI CHEMICALS, INC., Minato-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/12 (2006.01); C08G 18/10 (2006.01); C08G 18/62 (2006.01); C08G 18/38 (2006.01); C08G 18/32 (2006.01); C08G 18/75 (2006.01); G02B 1/04 (2006.01); B29D 11/00 (2006.01);
U.S. Cl.
CPC ...
C08G 18/12 (2013.01); B29D 11/00644 (2013.01); C08G 18/10 (2013.01); C08G 18/3206 (2013.01); C08G 18/3212 (2013.01); C08G 18/3876 (2013.01); C08G 18/6283 (2013.01); C08G 18/758 (2013.01); G02B 1/041 (2013.01); C08G 2120/00 (2013.01);
Abstract
According to the present invention, provided is a polymerizable composition for an optical material including: at least one amine compound (A) selected from a compound (a1) represented by Formula (1) and a compound (a2) represented by Formula (2); an iso(thio)cyanate compound (B) which contains two or more iso(thio) cyanate groups; and a polythiol compound (C) which contains a dithiol compound (c1) containing two mercapto groups and a polythiol compound (c2) containing three or more mercapto groups.