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:
Jul. 24, 1990
Filed:
Oct. 04, 1988
Applicant:
Inventors:
Sadao Takehara, Yono, JP;
Toru Fujisawa, Kawaguchi, JP;
Yoshi Arai, Hasuda, JP;
Jitsuo Kurokawa, Ohmiya, JP;
Assignees:
Dainippon Ink & Chemicals, Inc., Tokyo, JP;
Kawamura Institute of Chemical Research, Saitama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
25229965 ; 25229901 ; 3503 / ; 560 59 ; 560 65 ; 560 66 ;
Abstract
A liquid crystalline compound represented by formula ##STR1## wherein R denotes an alkyl or alkoxy group having 1 to 20 carbon atoms,