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:
May. 23, 2000
Filed:
Aug. 28, 1998
Applicant:
Inventors:
Hideo Ichinose, Kanagawa Pref., JP;
Yuka Ikedo, Kanagawa Pref., JP;
Yasuyoshi Namiki, Kanagawa Pref., JP;
Shinji Nakajima, Kanagawa Pref., JP;
Akiko Takashima, Kanagawa Pref., JP;
Kazuaki Tarumi, Seeheim-Jugenheim, DE;
Brigitte Schuler, Grossostheim, DE;
Volker Reiffenrath, Rossdorf, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; G02F / ;
U.S. Cl.
CPC ...
25229963 ; 25229966 ; 428-11 ;
Abstract
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy, which contains at least one compound of formula I ##STR1## and at least one compound of formula II ##STR2## wherein R.sup.1 is alkyl or alkoxy with 1 to 8 C atoms or alkenyl with 2 to 7 C atoms,