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. 06, 2001
Filed:
Nov. 27, 1998
Applicant:
Inventors:
Harald Hirschmann, Darmstadt, DE;
Sven Schüpfer, Aschaffenburg, DE;
Marcus Reuter, Darmstadt, DE;
Volker Reiffenrath, Rossdorf, DE;
Sabine Schoen, Darmstadt, DE;
Assignee:
Merck Patent Gesellschaft, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/934 ; C09K 1/930 ; C09K 1/920 ; G02F 1/1333 ;
U.S. Cl.
CPC ...
C09K 1/934 ; C09K 1/930 ; C09K 1/920 ; G02F 1/1333 ;
Abstract
Supertwist liquid-crystal displays (SLCDs) with outstanding properties are obtained if the nematic liquid-crystal mixtures used therein comprise one or more compounds of the formula IA