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:
Feb. 10, 1987
Filed:
Jun. 13, 1985
Applicant:
Inventors:
Shigeru Sugimori, Fujisawashi, JP;
Kazunori Nigorikawa, Yokohamashi, JP;
Assignee:
Chisso Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ; C07D / ;
U.S. Cl.
CPC ...
25229961 ; 25229963 ; 25229964 ; 3503 / ; 3503 / ; 546290 ; 546300 ; 546301 ; 546302 ; 546303 ; 546339 ; 546342 ;
Abstract
A novel pyridine derivative capable of increasing the dielectric anisotropy value (.DELTA..epsilon.) or optical anisotropy value (.DELTA.n) of liquid crystal compositions including the derivative and lowering the driving voltages of liquid crystal display elements using the composition, and also a liquid crystal composition containing the pyridine derivative are provided, which pyridine derivative is expressed by the formula