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:
Jun. 08, 1993
Filed:
Jan. 29, 1991
Applicant:
Inventors:
Hiroyuki Nohira, Urawa, JP;
Yoko Yamada, Atsugi, JP;
Shinichi Nakamura, Atsugi, JP;
Akira Sakaigawa, Urawa, JP;
Yasumasa Tashiro, Tokorozawa, JP;
Yoshio Aoki, Urawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C09K / ; G02F / ;
U.S. Cl.
CPC ...
2522996 ; 25229961 ; 25229962 ; 25229963 ; 25229966 ; 25229967 ; 25229901 ; 544298 ; 560 65 ; 560102 ; 568647 ; 359103 ; 546339 ;
Abstract
A mesomorphic compound represented by the following formula (I): ##STR1## wherein R.sup.1 denotes analkyl group having 1-18 carbon atoms; R.sup.2 denotes an alkyl group having 1-12 carbon atoms; A and B respectively denote ##STR2## Z.sup.1 and Z.sup.2 respectively denote --H, 'CH.sub.3, --OCH.sub.3, --CN or halogen; m and n respectively denote 0, 1 or 2 and p denotes 1 or 2 with proviso that m+n+p =2 or 3; X denotes a single bond, ##STR3## denotes an asymmetric carbon atom.