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. 28, 1999
Filed:
Jun. 03, 1998
Applicant:
Inventors:
Akira Sakaigawa, Kawasaki, JP;
Aya Miyazaki, Tenri, JP;
Mitsuhiro Koden, Kashiwa, JP;
Kazuhiko Tsuchiya, Soka, JP;
Kenji Suzuki, Soka, JP;
Assignees:
Sharp Kabushiki Kaisha, Osaka, JP;
Kanto Kagaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C07D / ; C07D / ; C07D / ; G02F / ;
U.S. Cl.
CPC ...
25229961 ; 349172 ; 349188 ; 548206 ; 548214 ; 548240 ; 548247 ; 548249 ;
Abstract
A liquid crystal compound of the present invention is represented by the following general Formula I: ##STR1## wherein R.sub.1 and R.sub.2 are independently a linear or branched alkyl group or alkoxy group having 1 to 14 carbon atoms, provided that at least one of R.sub.1 and R.sub.2 is an alkyl group; --Y-- is a group represented by the following Formula (II) or (III); and X.sub.1, X.sub.2, X.sub.3, and X.sub.4 are independently a hydrogen atom or a fluorine atom: ##STR2##