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:
Nov. 15, 1977
Filed:
Jun. 03, 1976
Applicant:
Inventors:
Assignee:
Dai Nippon Toryo Co., Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C09K / ;
U.S. Cl.
CPC ...
252299 ; 2604 / ; 3501 / ;
Abstract
Liquid crystalline p-cyanocinnamic acid p'-n-alkoxyphenyl esters, and nematic liquid crystal compositions containing the same, useful for electro-optical devices, are described.
Jinnai, Toshio. (1977). Liquid crystal compositions containing cyanocinnamic acid esters (U.S. Patent No. 4058475). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4058475
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile