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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.:

US 9346214 B1

PDFFull Text
Date of Patent:
May. 24, 2016

Filed:

Mar. 11, 2013

Film-forming composition for optical imprint and method for producing optical member

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:

Knobbe Martens Olson & Bear LLP

Primary Examiner:

Alison L Hindenlang

Assistant Examiner:

Lawrence D Hohenbrink, Jr

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.

Find Patent Forward Citations

Takeuchi, Hiroaki. (2016). Film-forming composition for optical imprint and method for producing optical member (U.S. Patent No. 9346214). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9346214

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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