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. 14, 2004
Filed:
Feb. 08, 2002
Applicant:
Inventors:
Shinji Nakajima, Kanagawa Pref., JP;
Akiko Takashima, Kanagawa Pref., JP;
Yasushi Sugiyama, Kanagawa-ken, JP;
Hideo Ichinose, Kanagawa Pref., JP;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/930 ; C09K 1/934 ; C09K 1/920 ;
U.S. Cl.
CPC ...
C09K 1/930 ; C09K 1/934 ; C09K 1/920 ;
Abstract
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, characterized in that it comprises one or more compounds of general formula (I) and one or more compounds of general formula (I*) in which R, R , R , A , Z , Y, L, L , L , m, x and y are as defined in claim 1.