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:
Feb. 11, 2020
Filed:
Jul. 21, 2016
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Nobuyuki Hatanaka, Osaka, JP;
Haruki Okawa, Niihama, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1334 (2006.01); G02B 5/30 (2006.01); C09K 19/60 (2006.01); C09D 135/02 (2006.01); C09D 7/41 (2018.01);
U.S. Cl.
CPC ...
G02B 5/3016 (2013.01); C09D 7/41 (2018.01); C09D 135/02 (2013.01); C09K 19/601 (2013.01);
Abstract
The present invention provides, as a composition containing a smectic liquid crystal compound which can be used for production of a homogeneous optical film at a temperature around room temperature, a composition containing a smectic liquid crystal compound having a 1,4-cyclohexyl group, which smectic liquid crystal compound having the 1,4-cyclohexyl group contains (i) 100 parts by mass of a smectic liquid crystal compound having a trans-1,4-cyclohexyl group and (ii) 0.1 parts by mass to 10 parts by mass of a smectic liquid crystal compound having a cis-1,4-cyclohexyl group.