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:
Jun. 23, 2020
Filed:
Dec. 22, 2016
Applicant:
Tokuyama Corporation, Shunan-shi, Yamaguchi, JP;
Inventors:
Assignee:
TOKUYAMA CORPORATION, Shunan-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/10 (2006.01); B32B 27/42 (2006.01); C08G 18/10 (2006.01); G02C 7/12 (2006.01); B32B 27/36 (2006.01); B32B 27/00 (2006.01); G02B 5/23 (2006.01); G02B 5/30 (2006.01); C08G 18/73 (2006.01); C08G 18/42 (2006.01); C08G 18/78 (2006.01); C08G 18/75 (2006.01); C08G 18/76 (2006.01); C08G 18/44 (2006.01); B32B 23/20 (2006.01); C08G 18/32 (2006.01); C08G 18/48 (2006.01); C08G 18/72 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); C08G 18/79 (2006.01); B32B 7/12 (2006.01); B32B 23/08 (2006.01);
U.S. Cl.
CPC ...
G02C 7/102 (2013.01); B32B 7/12 (2013.01); B32B 23/08 (2013.01); B32B 23/20 (2013.01); B32B 27/00 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/36 (2013.01); B32B 27/365 (2013.01); B32B 27/42 (2013.01); C08G 18/10 (2013.01); C08G 18/3215 (2013.01); C08G 18/42 (2013.01); C08G 18/4277 (2013.01); C08G 18/44 (2013.01); C08G 18/48 (2013.01); C08G 18/4825 (2013.01); C08G 18/725 (2013.01); C08G 18/73 (2013.01); C08G 18/751 (2013.01); C08G 18/755 (2013.01); C08G 18/758 (2013.01); C08G 18/7678 (2013.01); C08G 18/7685 (2013.01); C08G 18/7831 (2013.01); C08G 18/792 (2013.01); G02B 5/23 (2013.01); G02B 5/30 (2013.01); G02C 7/12 (2013.01); B32B 2250/03 (2013.01); B32B 2250/04 (2013.01); B32B 2250/05 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2307/306 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/412 (2013.01); B32B 2307/42 (2013.01); B32B 2307/558 (2013.01); B32B 2551/00 (2013.01);
Abstract
To provide a laminate comprising a pair of polycarbonate optical sheet or film which are laminated together through a polarizing film layer and an adhesive layer of a photochromic composition comprising (I) a polyurethane urea resin and (II) a photochromic compound and having excellent photochromic properties, adhesion, heat resistance, perspiration resistance and excellent adhesion to a lens substrate.