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:
Feb. 15, 2011
Filed:
May. 27, 2004
Applicants:
Eike Poetsch, Muehltal, DE;
Werner Binder, Dieburg, DE;
Volker Meyer, Gross-Zimmern, DE;
Michael Heckmeier, Hemsbach, DE;
Georg Luessem, Petershausen, DE;
Inventors:
Eike Poetsch, Muehltal, DE;
Werner Binder, Dieburg, DE;
Volker Meyer, Gross-Zimmern, DE;
Michael Heckmeier, Hemsbach, DE;
Georg Luessem, Petershausen, DE;
Assignee:
Merck Patent Gesellschaft, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 315/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to pyran derivatives of the formula I and to a process and intermediates for their preparation and derivatisation, and to the use thereof in liquid-crystalline media.