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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 8999196 B1

PDFFull Text
Expired
Date of Patent:
Apr. 07, 2015

Filed:

Aug. 23, 2012

Liquid crystal compound having perfluoroalkyl chain, and liquid crystal composition and liquid crystal display device

Applicants:

Hiroyuki Tanaka, Ichihara, JP;

Sayaka Fujimori, Ichihara, JP;

Inventors:

Hiroyuki Tanaka, Ichihara, JP;

Sayaka Fujimori, Ichihara, JP;

Assignees:

JNC Corporation, Tokyo, JP;

JNC Petrochemical Corporation, Tokyo, JP;

Attorney:

Hogan Lovells US LLP

Primary Examiner:

Geraldina Visconti

Int. Cl.
CPC ...
C09K 19/06 (2006.01); C09K 19/30 (2006.01); C09K 19/12 (2006.01); C09K 19/00 (2006.01); C09K 19/02 (2006.01); C07C 19/08 (2006.01); C07C 21/18 (2006.01); C09K 19/42 (2006.01); C09K 19/34 (2006.01);
U.S. Cl.
CPC ...
C09K 19/42 (2013.01); C09K 19/061 (2013.01); C09K 19/3458 (2013.01); C09K 2019/3004 (2013.01); C09K 2019/3009 (2013.01); C09K 2019/301 (2013.01); C09K 2019/3016 (2013.01); C09K 2019/3019 (2013.01); C09K 2019/3021 (2013.01); C09K 2019/304 (2013.01); C09K 2019/3042 (2013.01);
Abstract

The invention is to provide a new liquid crystal compound having a high clearing point, a good compatibility with other compounds, a small viscosity, and a high stability to heat, light and so forth; compound (1) is provided:RCFR  (1)wherein, for example, Ris alkyl having 4 to 10 carbons or —(CH)—CH═CH, Ris alkyl having 2 to 10 carbons, n is 8, and Rand Rare not allowed to be straight-chain alkyl having an identical number of carbons.

Find Patent Forward Citations

Tanaka, Hiroyuki. (2015). Liquid crystal compound having perfluoroalkyl chain, and liquid crystal composition and liquid crystal display device (U.S. Patent No. 8999196). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8999196

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

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