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. 24, 2016
Filed:
Mar. 11, 2013
Applicant:
Tokyo Ohka Kogyo Co., Ltd., Kawasaki-shi, JP;
Inventors:
Hiroaki Takeuchi, Kawasaki, JP;
Yoshinori Sakamoto, Kawasaki, JP;
Assignee:
TOKYO OHKA KOGYO CO., LTD., Kawasaki-Shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 59/16 (2006.01); C08F 22/10 (2006.01); C08F 22/38 (2006.01); C09D 4/00 (2006.01); C08F 220/56 (2006.01); C08F 222/10 (2006.01);
U.S. Cl.
CPC ...
B29C 59/16 (2013.01); C08F 22/10 (2013.01); C08F 22/38 (2013.01); C09D 4/00 (2013.01); C08F 220/56 (2013.01); C08F 222/1006 (2013.01);
Abstract
A film-forming composition for optical imprint including (A) a photopolymerizable monomer having a hydrophilic group, (B) inorganic nanoparticles, and (C) a photopolymerization initiator, and the composition has an organic solvent content of 20% by mass or less, contains a monomer having a viscosity of 500 cP or less as component (A) at a proportion of 30% by mass or more relative to the total amount of component (A) and component (B), and has a refractive index after curing of 1.56 or higher.