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:
Jan. 07, 2020
Filed:
Mar. 08, 2016
Applicant:
Tokuyama Corporation, Shunan-shi, Yamaguchi, JP;
Inventors:
Assignee:
TOKUYAMA CORPORATION, Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 9/02 (2006.01); C08G 18/28 (2006.01); C08L 75/04 (2006.01); G02B 1/04 (2006.01); G02B 5/23 (2006.01); G02C 7/10 (2006.01); C08G 18/38 (2006.01); C08G 18/48 (2006.01); C08G 18/64 (2006.01); C08G 18/66 (2006.01); C08G 18/76 (2006.01); G02B 5/22 (2006.01);
U.S. Cl.
CPC ...
C09K 9/02 (2013.01); C08G 18/28 (2013.01); C08G 18/3844 (2013.01); C08G 18/3876 (2013.01); C08G 18/4825 (2013.01); C08G 18/6484 (2013.01); C08G 18/6666 (2013.01); C08G 18/765 (2013.01); C08L 75/04 (2013.01); G02B 1/04 (2013.01); G02B 5/223 (2013.01); G02B 5/23 (2013.01); G02C 7/10 (2013.01); G02C 7/102 (2013.01);
Abstract
A process for producing a photochromic cured body by curing a photochromic composition comprising (A) a polyiso(thio)cyanate compound having at least two isocyanate groups and/or isothiocyanate groups in one molecule, a poly(thi)ol compound having at least two hydroxyl groups and/or thiol groups in one molecule, (C) a mono(thi)ol compound having one hydroxy group or thiol group in one molecule, and a photochromic compound.