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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 10053425 B1

PDFFull Text
Date of Patent:
Aug. 21, 2018

Filed:

Oct. 29, 2014

Piperidine derivative, liquid crystal composition and liquid crystal display device

Applicants:

Jnc Corporation, Tokyo, JP;

Jnc Petrochemical Corporation, Ichihara-shi, Chiba, JP;

Inventors:

Yasuyuki Gotoh, Tokyo, JP;

Kenji Hirata, Chiba, JP;

Maiko Matsukuma, Chiba, JP;

Chikahide Kanadani, Chiba, JP;

Assignees:

JNC CORPORATION, Tokyo, JP;

JNC PETROCHEMICAL CORPORATION, Tokyo, JP;

Attorney:

Hogan Lovells US LLP

Primary Examiner:

Geraldina Visconti

Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C07D 211/12 (2006.01); C07D 211/22 (2006.01); C07D 211/26 (2006.01); C09K 19/42 (2006.01); C09K 19/54 (2006.01); C09K 19/34 (2006.01); C09K 19/44 (2006.01); C07D 317/16 (2006.01); C07D 239/26 (2006.01); C07D 211/18 (2006.01); C07D 405/14 (2006.01); C09K 19/04 (2006.01); C09K 19/12 (2006.01); C09K 19/30 (2006.01);
U.S. Cl.
CPC ...
C07D 211/12 (2013.01); C07D 211/18 (2013.01); C07D 211/22 (2013.01); C07D 211/26 (2013.01); C07D 239/26 (2013.01); C07D 317/16 (2013.01); C07D 405/14 (2013.01); C09K 19/3068 (2013.01); C09K 19/3402 (2013.01); C09K 19/3483 (2013.01); C09K 19/42 (2013.01); C09K 19/44 (2013.01); C09K 19/54 (2013.01); C09K 2019/0466 (2013.01); C09K 2019/122 (2013.01); C09K 2019/123 (2013.01); C09K 2019/3019 (2013.01); C09K 2019/3071 (2013.01); C09K 2019/3422 (2013.01);
Abstract

To provide a compound having an effect for preventing photolysis of a liquid crystal composition, and having a high solubility in the liquid crystal composition, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1), the liquid crystal composition contains the compound, and the liquid crystal display device includes the composition. In formula (1), R, R, Rand Rare independently hydrogen or alkyl having 1 to 4 carbons; ring Aand ring Aare independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z, Zand Zare independently a single bond, alkylene or the like; and n is 0, 1 or 2.

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