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:
Dec. 19, 2023
Filed:
Oct. 31, 2017
Applicant:
Mitsui Chemicals, Inc., Tokyo, JP;
Inventors:
Shinsuke Ito, Omuta, JP;
Masayuki Furuya, Arao, JP;
Kouji Suesugi, Arao, JP;
Takeshi Nishimura, Yanagawa, JP;
Mamoru Tanaka, Fukuoka, JP;
Assignee:
MITSUI CHEMICALS, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/18 (2006.01); C08G 18/22 (2006.01); G02B 1/04 (2006.01); C08G 18/38 (2006.01); C08G 18/79 (2006.01); C08G 18/83 (2006.01); G02B 1/08 (2006.01); B29C 45/14 (2006.01); C08G 18/73 (2006.01); C08G 18/72 (2006.01); B29K 75/00 (2006.01);
U.S. Cl.
CPC ...
C08G 18/3844 (2013.01); B29C 45/14008 (2013.01); C08G 18/18 (2013.01); C08G 18/38 (2013.01); C08G 18/722 (2013.01); C08G 18/73 (2013.01); C08G 18/79 (2013.01); C08G 18/792 (2013.01); C08G 18/834 (2013.01); G02B 1/04 (2013.01); G02B 1/041 (2013.01); G02B 1/08 (2013.01); B29K 2075/00 (2013.01); C08G 18/791 (2013.01);
Abstract
A polymerizable composition for an optical material of the present invention includes (A) a compound of which pKa value is 1 to 9, (B) a di- or higher functional iso(thio)cyanate compound, and (C) a di- or higher functional active hydrogen compound.