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. 26, 1995
Filed:
Dec. 17, 1993
Applicant:
Inventors:
Masaharu Keneko, Yamato, JP;
Masami Kadowaki, Kawasaki, JP;
Assignee:
Mitsubishi Chemical Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C09K / ; G02F / ;
U.S. Cl.
CPC ...
2522991 ; 25229962 ; 2522997 ; 359103 ;
Abstract
A liquid crystal composition comprising a fluorine liquid crystal material and at least one azo dichroic dye selected from each of the groups (A), (B), (C) and (D) represented by the following general formulae (I)-(IV): ##STR1##