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:
Sep. 13, 1994
Filed:
Sep. 29, 1993
Applicant:
Inventors:
Assignee:
Showa Shell Sekiyu Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C07C / ;
U.S. Cl.
CPC ...
25229965 ; 25229964 ; 25229966 ; 25229962 ; 560 19 ; 560 44 ;
Abstract
An antiferroelectric liquid crystal compound represented by the following general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are each independently selected from the group consisting of alkyl groups having from 3 to 18 carbon atoms, Rf is a lower alkyl group or a fluorinated lower alkyl group, (A) and (B) are each independently selected from the group consisting of 1,4-phenylene, 4,4'-biphenylene, and 2,6-naphthalene which may be substituted at least with a halogen atom, and * shows an asymmetric carbon atom.
Koide, Yasuhiro. (1994). Antiferroelectric liquid crystal compound and liquid crystal composition (U.S. Patent No. 5346648). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5346648
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