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:
Jan. 30, 2001
Filed:
May. 26, 1993
Applicant:
Inventors:
Assignee:
Merck KGaA, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/930 ; C09K 1/912 ; C09K 1/902 ;
U.S. Cl.
CPC ...
C09K 1/930 ; C09K 1/912 ; C09K 1/902 ;
Abstract
The invention relates to a nematic liquid crystal mixture having a positive dielectric anisotropy &Dgr;&egr; of at least +4 and a birefringence &Dgr;n of at least 0.12, characterized in that the mixtures comprises one or more components having the core structure