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:
Aug. 23, 1977
Filed:
Dec. 13, 1974
Applicant:
Inventors:
Kenji Nakamura, Kanagawa, JA;
Toshio Jinnai, Kanagawa, JA;
Kazuo Totani, Kanagawa, JA;
Shigetaro Furuta, Fujisawa, JA;
Assignee:
Dai Nippon Toryo Co., Ltd., Osaka, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
3501 / ; 252299 ; 252408 ; 58 2 / ;
Abstract
A liquid crystal electro-optical element which comprises a nematic liquid crystal composition having a positive dielectric anisotropy which is composed of p-n-alkylbenzylidene-p'-cyanoaniline and an improver selected from the group consisting of p-n-alkyl cyanobenzene, p-alkylbenzylidene-p'-alkoxyaniline, and p-alkoxybenzylidene-p'-n-alkylaniline.