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:
Oct. 04, 1994
Filed:
Jun. 05, 1992
Applicant:
Inventors:
Shinichi Nishiyama, Sodegaura, JP;
Hideo Hama, Sodegaura, JP;
Tooru Yamanaka, Sodegaura, JP;
Yukio Miyachi, Aichi, JP;
Assignee:
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C09K / ; G02F / ;
U.S. Cl.
CPC ...
25229962 ; 25229963 ; 25229964 ; 25229965 ; 25229966 ; 25229967 ; 359103 ; 359104 ;
Abstract
The liquid crystal composition of the present invention comprises 1-99 wt. % of an antiferroelectric liquid crystal compound such as a compound represented by the following formula [A-8] and 99-1 wt. % of a cholesteric liquid crystal compound such as a compound represented by the following formula [B-2]. ##STR1## By the use of the liquid crystal composition of the invention, a liquid crystal element improved in liquid crystal properties such as contrast can be prepared.