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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 10683456 B1

PDFFull Text
Date of Patent:
Jun. 16, 2020

Filed:

Apr. 24, 2017

Composition, and optical film including the composition

Applicant:

Sumitomo Chemical Company, Limited, Tokyo, JP;

Inventors:

Masao Morimoto, Osaka, JP;

Noriyuki Hida, Osaka, JP;

Assignee:

Sumitomo Chemical Company, Limited, Tokyo, JP;

Attorney:

Panitch Schwarze Belisario & Nadel LLP

Primary Examiner:

Geraldina Visconti

Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/60 (2006.01); C09K 19/20 (2006.01); C09K 19/34 (2006.01); C09K 19/32 (2006.01); C09K 19/24 (2006.01); C09B 35/34 (2006.01); C09B 31/053 (2006.01); C09B 31/043 (2006.01); C09B 35/037 (2006.01); C09B 39/00 (2006.01); C09K 19/30 (2006.01); C09K 19/04 (2006.01); G02B 5/30 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
C09K 19/601 (2013.01); C09B 31/043 (2013.01); C09B 31/053 (2013.01); C09B 35/037 (2013.01); C09B 35/34 (2013.01); C09B 39/00 (2013.01); C09K 19/2007 (2013.01); C09K 19/24 (2013.01); C09K 19/3068 (2013.01); C09K 19/322 (2013.01); C09K 19/34 (2013.01); C09K 19/3441 (2013.01); C09K 19/3494 (2013.01); C09K 19/3497 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/3408 (2013.01); G02B 5/3016 (2013.01); G02F 1/133528 (2013.01);
Abstract

Provided is a composition which can be used for formation of an optical film having high quality and a high dichroic ratio even after the composition is stored for a predetermined period of time. The composition includes a compound represented by the general formula (A) and a compound represented by the general formula (B), wherein Rin the general formula (A) and Rin the general formula (B) are mutually different groups.R—Ar—N═N—Ar—N═N—Ar—R  (A)R—Ar—N═N—Ar—N═N—Ar—R  (B)

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