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. 25, 1991
Filed:
Mar. 03, 1989
Mitsuhiro Koden, Nara, JP;
Tomoaki Kuratate, Nara, JP;
Fumiaki Funada, Yamatokoriyama, JP;
Kazuhiko Sakaguchi, Toyonaka, JP;
Naoya Kasai, Amagasaki, JP;
Yoshikazu Takehira, Itami, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Daiso Co., Ltd., Osaka, JP;
Abstract
A chiral smectic liquid crystal composition comprising one or more liquid crystalline compound exhibiting a smectic C phase and at least one compound of the formula (A): ##STR1## wherein R.sub.1 and R.sub.2 are same or different and are each a straight-chain or branched-chain alkyl group having 1 to 12 carbon atoms, and each C marked with * is an optically active carbon atoms, and a liquid crystal display device containing it.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile