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:
Oct. 17, 2006
Filed:
Sep. 21, 2001
Julian Vaughn-spickers, Southampton, GB;
Simon Greenfield, Dorset, GB;
Ian Victor Edward Hassall, Dorset, GB;
Christopher Dunn, Southampton, GB;
Richard Harding, Hants, GB;
Tony Jenkins, Hampshire, GB;
Alison May, Dorset, GB;
Julian Vaughn-Spickers, Southampton, GB;
Simon Greenfield, Dorset, GB;
Ian Victor Edward Hassall, Dorset, GB;
Christopher Dunn, Southampton, GB;
Richard Harding, Hants, GB;
Tony Jenkins, Hampshire, GB;
Alison May, Dorset, GB;
Merck Patent Gesellschaft, Darmstadt, DE;
Abstract
The invention relates to chiral photoisomerizable compounds of formula (I) wherein X, X, X, X, Xand Xhave the meanings given in claim, to liquid crystalline mixtures and polymers containing them, and to the use of chiral photoisomerizable compounds, liquid crystalline mixtures and polymers containing them in optical and electrooptical devices like liquid crystal displays or projection systems, in optical elements like polarizers, retardation films, compensators, color filters or holographic elements, in liquid crystal pigments and colored films or coatings for decorative or security applications, cosmetic and pharmaceutical compositions, in nonlinear optics and optical information storage.