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:
Feb. 25, 2020
Filed:
Sep. 13, 2016
Kawasaki Kasei Chemicals Ltd., Kawasaki, JP;
Shigeaki Numata, Kawasaki, JP;
Shuji Yokoyama, Kawasaki, JP;
Yasuaki Miki, Kawasaki, JP;
Akihiko Yamada, Kawasaki, JP;
Kawasaki Kasei Chemicals Ltd., Kawasaki, JP;
Abstract
To provide a photopolymerizable composition which can be quickly cured by light of from 300 nm to 500 nm, and a cured product of which is less colored. A photopolymerizable composition comprising a compound having an anthracene skeleton represented by the following formula (1), a compound having a benzophenone skeleton and a radical polymerizable compound: wherein each of Rand Rwhich may be the same or different, is a Calkyl group, a Caryl group, an alkylcarbonyl group having a Calkyl group, an arylcarbonyl group having a Caryl group, an alkyloxycarbonyl group having a Calkyl group, or an aryloxycarbonyl group having a Caryl group, and each of X and Y which may be the same or different, is a hydrogen atom or a Calkyl group.