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. 17, 2004
Filed:
Jun. 02, 1999
Applicant:
Inventors:
Takashi Kato, Chiba, JP;
Tomoyuki Kondo, Chiba, JP;
Henry Bernhardt, Berlin, DE;
Shuichi Matsui, Chiba, JP;
Hiroyuki Takeuchi, Chiba, JP;
Yasuhiro Kubo, Chiba, JP;
Fusayuki Takeshita, Chiba, JP;
Etsuo Nakagawa, Chiba, JP;
Assignee:
Chisso Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/934 ; C09K 1/930 ; C07C 2/524 ; C07D / ;
U.S. Cl.
CPC ...
C09K 1/934 ; C09K 1/930 ; C07C 2/524 ; C07D / ;
Abstract
Liquid crystalline compounds having a large negative &Dgr;∈ low viscosity, a large K /K value, a small &Dgr;∈/&Dgr;⊥ and mutually excellent solubility even at low temperature, compositions containing at least one of the compounds and liquid crystal display devices containing such a liquid crystal compositions are disclosed.