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:
May. 21, 2024
Filed:
Aug. 21, 2018
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Ryosuke Yoshii, Annaka, JP;
Kohei Masuda, Annaka, JP;
Mamoru Hagiwara, Annaka, JP;
Tsuneo Kimura, Annaka, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
A photocurable composition including the following components (A) to (D), (A) a monomer having one (meth)acryloyl structure, (B) a crosslinking agent having two or more (meth)acryloyl structures, (C) an inorganic ultraviolet-blocking agent having a 50% volume cumulative particle size of 1 to 50 nm, and (D) a photopolymerization initiator in an amount of 0.05 to 1 part by weight, relative to total 100 parts by weight of components (A) and (B), wherein a part or all of component (A) is a hydrophilic monomer, and a content of the hydrophilic monomer is 70% by weight or more, relative to the total weight of components (A) and (B).