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:
Mar. 02, 2010
Filed:
Jan. 31, 2005
Matthew Francis, Walton, GB;
Marc John Goulding, Ringwood, GB;
John Clifford Jones, Leighsinton, GB;
Stephen Beldon, Ledbury, GB;
Peer Kirsch, Kanagawa, JP;
Matthew Francis, Walton, GB;
Marc John Goulding, Ringwood, GB;
John Clifford Jones, Leighsinton, GB;
Stephen Beldon, Ledbury, GB;
Peer Kirsch, Kanagawa, JP;
Merck Patent GmbH, Darmstadt, DE;
Abstract
The invention is directed to liquid crystal compositions for use in bistable liquid crystal devices and to bistable liquid crystal devices containing said liquid crystal compositions. The liquid crystal composition comprises a component (π) said component (π) containing one or more compounds having a phenyl ring of formula A Whereby Xis F, CI, SF, NCS or a Cto Calkanyl, alkenyl or alkoxy radical substituted with at least one F atom; and Lis H or F.