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:
Jul. 20, 2021
Filed:
Jun. 18, 2018
Applicant:
Tokuyama Corporation, Shunan, JP;
Inventors:
Junji Takenaka, Shunan, JP;
Junji Momoda, Shunan, JP;
Takayoshi Kawasaki, Shunan, JP;
Takao Noguchi, Shunan, JP;
Yasutomo Shimizu, Shunan, JP;
Masayuki Miyazaki, Shunan, JP;
Assignee:
TOKUYAMA CORPORATION, Shunan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/23 (2006.01); C08G 83/00 (2006.01); G02C 7/10 (2006.01); C08B 37/16 (2006.01);
U.S. Cl.
CPC ...
C08G 83/007 (2013.01); G02B 5/23 (2013.01); G02C 7/102 (2013.01); C08B 37/0015 (2013.01);
Abstract
A photochromic polyrotaxane compound which comprises an axial molecule and a plurality of cyclic molecules clathrating the axial molecule, wherein at least one side chain containing a photochromic moiety is bonded to at least one of the cyclic molecules, and a curable composition comprising the photochromic polyrotaxane compound and a polymerizable compound.