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:
Sep. 07, 2010
Filed:
Sep. 18, 2003
Applicants:
Volker Reiffenrath, Roβdorf, DE;
Michael Heckmeier, Hemsbach, DE;
Inventors:
Volker Reiffenrath, Roβdorf, DE;
Michael Heckmeier, Hemsbach, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 43/23 (2006.01); C07C 39/367 (2006.01); C07C 39/06 (2006.01); C09K 19/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to chiral phenols, preferably of formula (I), the different parameters having the meaning indicated in the description, liquid crystal media which contain said compounds as chiral doping agents and/or stabilizers, and the use thereof in electro-optical displays.