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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 5110496 B1

PDFFull Text
Date of Patent:
May. 05, 1992

Filed:

Mar. 01, 1991

Liquid crystal compound

Applicant:
Inventors:

Hiroyuki Mogamiya, Tokyo, JP;

Noriko Yamakawa, Tokyo, JP;

Yoshiichi Suzuki, Tokyo, JP;

Hitoshi Suenaga, Hyogo, JP;

Yasuhiro Hasegawa, Hyogo, JP;

Assignees:

Showa Shell Sekiyu Kabushiki Kaisha, Tokyo, JP;

Teikoku Chemical Industry Co., Ltd., Hyogo, JP;

Attorney:

Cushman, Darby & Cushman

Primary Examiner:

Robert L Stoll

Assistant Examiner:

Shean C Wu

Int. Cl.
CPC ...
C09K / ; C09K / ; C09K / ; C07D / ;
U.S. Cl.
CPC ...
25229961 ; 25229964 ; 25229965 ; 25229966 ; 25229967 ; 359104 ; 544242 ; 544244 ; 544245 ; 544298 ; 544315 ; 544316 ; 544335 ; 544406 ; 544408 ; 544409 ; 560-8 ; 560 18 ; 560 20 ; 560 21 ; 560 22 ; 560 23 ; 560 55 ; 560 59 ;
Abstract

An optically active liquid crystal compound which is represented by the formula: ##STR1## wherein R.sub.1 and R.sub.2 each represents an alkyl or aralkyl group of 4-18 carbon atoms, R.sub.3 represents a haloalkyl group, X represents O, COO, OCO, CO or a single bond, Y represents COO, OCO, CH.sub.2 O or OCH.sub.2, Z represents COO or O, (A) represents a cyclic group shown by ##STR2## (B) represents a cyclic group shown by ##STR3## and l shows that the cyclic groups are substituted by at least one halogen atom.

Find Patent Forward Citations

Mogamiya, Hiroyuki. (1992). Liquid crystal compound (U.S. Patent No. 5110496). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5110496

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

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