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. 23, 2019
Filed:
May. 16, 2017
Merck Patent Gmbh, Darmstadt, DE;
Stephen Mulcahy, Southampton, GB;
Iain Gardiner, Chandlers Ford, GB;
Jack Bradford, Southampton, GB;
Eduardo Beltran Gracia, Southampton, GB;
Graham Smith, Southampton, GB;
Merck Patent GmbH, Darmstadt, DE;
Abstract
A polymerizable LC material comprising at least one di- or multireactive mesogenic compound selected from the group of compounds of formula I, at least one monoreactive mesogenic compound selected from the group of compounds of formula II, wherein the parameter Ato A, L, p, Pto P, R, Spto Sp, Xto X, and Zto Zhave one of the meanings as given in claim, and at least one carbazole oxime ester photoinitiator. Furthermore, a method for preparation of the polymerizable LC material, a polymer film with improved thermal durability obtainable from the corresponding polymerizable LC material, a method of preparation of such polymer film, and the use of such polymer film and said polymerizable LC material for optical, electro-optical, decorative or security devices.