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. 31, 1989
Filed:
Dec. 27, 1988
Applicant:
Inventors:
Kisei Kitano, Chiba, JP;
Makoto Ushioda, Ichihara, JP;
Manabu Uchida, Ichihara, JP;
Toshiharu Suzuki, Ichihara, JP;
Assignee:
Chisso Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ; C09K / ; C09K / ; C07C / ;
U.S. Cl.
CPC ...
25229963 ; 2522995 ; 2522996 ; 25229966 ; 3503 / ; 568609 ; 568610 ; 568611 ; 568612 ; 568606 ; 568642 ; 568643 ; 568645 ; 568647 ; 568660 ; 568661 ; 568664 ; 570128 ; 570129 ; 570130 ;
Abstract
A liquid crystalline compound and a liquid crystal composition containing the compound usable for liquid crystal display devices are provided, which liquid crystalline compound is expressed by the formula
Kitano, Kisei. (1989). Liquid crystal composition (U.S. Patent No. 4877548). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4877548
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile