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:
Jul. 02, 2002
Filed:
Apr. 10, 2000
Qinetiq Limited, London, GB;
Abstract
A liquid crystal composition includes a host material comprising (a) two or more phenylpyrimidinyl compounds of general formula (I), wherein X and X are independently selected from the group consisting of straight or branched chain (C -C )alkyl, straight or branched chain (C -C )alkenyl and straight or branched chain (C -C )alkoxy, in which either or both of the alkyl, alkenyl or alkoxy groups may be substituted by one or more of halogen, oxygen and siloxane, and (b) at least one fluoroterphenyl compound of formula (II) or (III), wherein Y et Y are independently selected from the group consisting of straight or branched chain (C -C )alkyl, straight or branched chain (C -C )alkenyl and straight or branched chain (C -C )alkoxy, and wherein either or both of the alkyl, alkenyl or alkoxy groups may be substituted by one or more of halogen, oxygen and siloxane.