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:
Oct. 19, 2021
Filed:
Apr. 24, 2017
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 450 nm, and a cured product of which is less colored. A photopolymerization sensitizer composition containing a compound represented by the following formula (1) and a compound, of which the maximum value of an absorption coefficient in a wavelength region ranging from at least 400 nm to at most 500 nm is higher than the maximum value of an absorption coefficient in a wavelength region ranging from at least 400 nm to at most 500 nm of said compound; and a photopolymerizable composition containing the photopolymerization sensitizer composition. In the formula (1), Ris a Calkyl group, a Caryl group, a Calkoxy group or a Caryloxy group, and each of Xand Ywhich may be the same or different, is a hydrogen atom or a Calkyl group