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:
Nov. 13, 2018
Filed:
Nov. 07, 2014
Applicant:
Tokuyama Corporation, Shunan-shi, Yamaguchi, JP;
Inventors:
Assignee:
TOKUYAMA CORPORATION, Shunan-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 9/02 (2006.01); C08F 290/10 (2006.01); C08F 299/00 (2006.01); C08L 71/02 (2006.01); B32B 7/12 (2006.01); G02B 5/23 (2006.01); G02C 7/10 (2006.01); C08G 83/00 (2006.01);
U.S. Cl.
CPC ...
C09K 9/02 (2013.01); B32B 7/12 (2013.01); C08F 290/10 (2013.01); C08F 299/00 (2013.01); C08L 71/02 (2013.01); G02B 5/23 (2013.01); G02C 7/102 (2013.01); B32B 2250/02 (2013.01); B32B 2255/26 (2013.01); B32B 2305/72 (2013.01); B32B 2307/40 (2013.01); B32B 2307/412 (2013.01); B32B 2551/00 (2013.01); C08G 83/007 (2013.01); G02C 2202/16 (2013.01);
Abstract
A photochromic composition comprising (A) a polyrotaxane having a composite molecular structure composed of an axial molecule and a plurality of cyclic molecules clathrating the axial molecule and (B) a photochromic compound.