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:
Mar. 28, 1995
Filed:
Apr. 01, 1993
Applicant:
Inventors:
Atsuko Fujita, Chiba, JP;
Shuichi Matsui, Chiba, JP;
Yuichi Onji, Chiba, JP;
Makoto Ushioda, Chiba, JP;
Yasuyuki Goto, Chiba, JP;
Assignee:
Chisso Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C09K / ; C07C / ;
U.S. Cl.
CPC ...
25229963 ; 2522996 ; 2522995 ; 558411 ; 558425 ;
Abstract
A novel liquid crystal compound having an intermediate group of a cis-1,4-substituted 2-butenyl group, low viscosity and a broad mesomorphic temperature range is provided, which compound is expressed by the following formula: ##STR1## wherein R.sup.1 represents an alkyl group of 1 to 10 carbon atoms, n represents 1 or 2, X represents a hydrogen atom, an alkyl group, a halogen atom, a cyano group, an alkoxy group, a methyl group substituted by 1 to 3 halogen atom(s) or a trihaloalkoxy group, and Y and Y' each independently represents a hydrogen atom, or a halogen atom.