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:
Dec. 25, 1990
Filed:
Feb. 14, 1990
Applicant:
Inventors:
Toshihiro Shibata, Urawa, JP;
Masaki Kimura, Urawa, JP;
Assignee:
Adeka Argus Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ; C09K / ; C07D / ;
U.S. Cl.
CPC ...
25229961 ; 25229901 ; 2522995 ; 3503 / ; 3503 / ; 544335 ;
Abstract
An optically active compound useful as a component of a ferroelectric liquid crystal composition represented by the following general formula (I) and a ferroelectric liquid crystal composition containing the same: ##STR1## wherein R stands for a C.sub.1.about.18 alkyl group; R' stands for a C.sub.1.about.18 alkyl group which may be substituted or an aryl group; X stands for ##STR2## or --O-- and an asterisk refers to an optically active carbon atom.