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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 9221949 B1

PDFFull Text
Date of Patent:
Dec. 29, 2015

Filed:

Mar. 09, 2012

Resin, optical material, and optical device

Applicants:

Shunsuke Fujii, Ichihara, JP;

Shintaro Maekawa, Ichihara, JP;

Hitoshi Onishi, Chiba, JP;

Akifumi Kagayama, Chiba, JP;

Inventors:

Shunsuke Fujii, Ichihara, JP;

Shintaro Maekawa, Ichihara, JP;

Hitoshi Onishi, Chiba, JP;

Akifumi Kagayama, Chiba, JP;

Assignee:

MITSUI CHEMICALS, INC., Tokyo, JP;

Attorney:

Buchanan, Ingersoll & Rooney PC

Primary Examiner:

Gregory Listvoyb

Int. Cl.
CPC ...
C08G 69/42 (2006.01); G02B 1/04 (2006.01); F21V 5/00 (2015.01); G02B 1/00 (2006.01); H05B 33/22 (2006.01); C08G 12/06 (2006.01); C08G 12/22 (2006.01); C08G 69/00 (2006.01); C08G 73/02 (2006.01); C07C 249/16 (2006.01); C08L 79/06 (2006.01); C07C 251/86 (2006.01);
U.S. Cl.
CPC ...
C08G 69/42 (2013.01); C08G 12/06 (2013.01); C08G 12/22 (2013.01); C08G 69/00 (2013.01); C08G 73/028 (2013.01); F21V 5/00 (2013.01); G02B 1/00 (2013.01); G02B 1/04 (2013.01); H05B 33/22 (2013.01); C07C 249/16 (2013.01); C07C 251/86 (2013.01); C08L 79/06 (2013.01);
Abstract

The purpose of the invention is to provide a resin, which has a high refractive index, excellent heat resistance and moldability, and high transparency, and is useful as a material for configuring optical devices, etc. The invention provides a resin comprising acyl hydrazone bonds and having a number average molecular weight of 500-500,000, wherein the acyl hydrazone bond equivalent is 100-4000.

Find Patent Forward Citations

Fujii, Shunsuke. (2015). Resin, optical material, and optical device (U.S. Patent No. 9221949). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9221949

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

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