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. 03, 1998
Filed:
Mar. 05, 1997
Applicant:
Inventors:
Eike Poetsch, Muhltal, DE;
Werner Binder, Dieburg, DE;
Michael Kompter, Riedstadt, DE;
Joachim Krause, Dieburg, DE;
Kazuaki Tarumi, Seeheim-Jugenheim, DE;
Ekkehard Bartmann, Erzhausen, DE;
Assignee:
Merck Patent Gesellschaft mit Beschrankter Haftung, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568655 ; 568663 ; 568669 ; 568670 ; 25229901 ; 25229963 ; 25229966 ;
Abstract
The invention relates to difluorovinyl ethers of the general formula I ##STR1## in which R, A, X and m are as defined in claim 1, and to the use of these compounds as components of liquid-crystalline media, and to liquid-crystal and electro-optical display elements which contain the novel liquid-crystalline media.