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:
Aug. 03, 2021
Filed:
Feb. 06, 2018
Applicant:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Inventors:
Yoshihiko Nishimori, Tokyo, JP;
Yosuke Imagawa, Tokyo, JP;
Kouhei Takemura, Tokyo, JP;
Hiroshi Horikoshi, Tokyo, JP;
Yoshiaki Yamamoto, Tokyo, JP;
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 81/02 (2006.01); C08G 75/08 (2006.01); C08K 3/06 (2006.01); G02B 1/04 (2006.01); C07D 331/02 (2006.01);
U.S. Cl.
CPC ...
C08L 81/02 (2013.01); C07D 331/02 (2013.01); C08G 75/08 (2013.01); C08K 3/06 (2013.01); G02B 1/04 (2013.01); G02B 1/041 (2013.01); C08L 2201/10 (2013.01);
Abstract
Provided an optical material composition which makes it possible to design an optical material exhibiting a broad range of properties. This optical material composition contains a compound (A) represented by formula (1) and a polythiol (a), and does not contain 1,2,3,5,6-pentathiepane (b).