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:
Apr. 01, 2008
Filed:
Jul. 02, 2002
Hisashi Okamura, Kanagawa, JP;
Takashi Katoh, Kanagawa, JP;
Hisashi Okamura, Kanagawa, JP;
Takashi Katoh, Kanagawa, JP;
Fujifilm Corporation, Minato-Ku, Tokyo, JP;
Abstract
A liquid crystal composition comprising at least one liquid crystal compound and at least one anthraquinone compound represented by formula (1) below: Formula (1) (wherein Rto Reach independently represents a hydrogen or substituent; Het is a sulfur or oxygen; Band Beach independently represents an optionally substituted arylene, heteroarylene, cycloalkan-diyl or cycloalken-diyl; Qis a bivalent linking group; Cis an optionally substituted alkyl, cycloalkyl, alkoxy, alkokycarbonyl or acyloxy; p, q and r each represents a number from 0 to 5 and n is a number from 1 to 3 satisfying 3≦(p+r)×n≦10; when plural {(B)-(Q)-(B)} are present, these may be the same or different) was disclosed