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. 03, 2017
Filed:
Jun. 19, 2013
Applicant:
Mitsui Chemicals, Inc., Minato-ku, JP;
Inventor:
Akinori Ryu, Arao, JP;
Assignee:
MITSUI CHEMICALS, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/16 (2006.01); G02B 1/04 (2006.01); C08G 18/73 (2006.01); C08G 18/75 (2006.01); C08G 18/76 (2006.01); C08G 18/38 (2006.01); B29C 39/00 (2006.01); B29C 39/02 (2006.01); C08G 18/72 (2006.01); G02B 5/23 (2006.01); C07D 493/04 (2006.01); C09K 9/02 (2006.01); G02C 7/10 (2006.01); B29L 11/00 (2006.01);
U.S. Cl.
CPC ...
G02B 1/041 (2013.01); B29C 39/006 (2013.01); B29C 39/02 (2013.01); C07D 493/04 (2013.01); C08G 18/38 (2013.01); C08G 18/3876 (2013.01); C08G 18/72 (2013.01); C08G 18/73 (2013.01); C08G 18/755 (2013.01); C08G 18/758 (2013.01); C08G 18/7642 (2013.01); G02B 1/04 (2013.01); G02B 5/23 (2013.01); B29L 2011/00 (2013.01); C09K 9/02 (2013.01); G02C 7/10 (2013.01);
Abstract
A polymerizable composition for an optical material includes (A) one or more isocyanate compounds selected from aliphatic isocyanate compounds and alicyclic isocyanate compounds, (B) an active hydrogen compound having two or more functional groups, and (C) a photochromic compound.