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. 19, 1978
Filed:
Oct. 13, 1976
Applicant:
Inventors:
Hisato Sato, Tokyo, JP;
Masayuki Tazume, Urawa, JP;
Takasi Yamaki, Tokyo, JP;
Yutaka Fujita, Yokohama, JP;
Yoshi Arai, Oyama, JP;
Assignees:
Dainippon Ink & Chemicals Inc., Tokyo, JP;
Kawamura Institute of Chemical Research, BOTH OF, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
252299 ; 350350 ;
Abstract
A liquid crystalline composition comprising a nematic liquid crystalline substance and as an additive, a 1,8-diazo-bicyclo(5,4,0) undecene-7 alkyl ammonium salt of benzoic acid optionally having a substituent at the paraposition.