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:
Sep. 04, 2018
Filed:
Jun. 17, 2014
Applicant:
Dic Corporation, Tokyo, JP;
Inventors:
Shunsuke Yamada, Ichihara, JP;
Takeshi Ibe, Sakura, JP;
Nobuo Kobayashi, Ichihara, JP;
Yasuko Odani, Ichihara, JP;
Masashi Sugiyama, Ichihara, JP;
Assignee:
DIC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 290/06 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08F 290/067 (2013.01); G02B 1/041 (2013.01);
Abstract
Provided is a photocurable resin composition that has a low viscosity and is capable of yielding a high refractive index. Specifically, a urethane (meth)acrylate resin (A) obtained by a reaction of an aromatic diisocyanate compound (a), a polyol compound (b), and a hydroxyl-group-containing (meth)acrylate compound (c) as essential raw material components is used. The urethane (meth)acrylate resin (A) contains a structural moiety (a-1) represented by structural formula (1) below: