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:
Dec. 30, 1997
Filed:
May. 31, 1995
Applicant:
Inventors:
Claus Escher, Muhltal, DE;
Takamasa Harada, Saitama, JP;
Gerhard Illian, Frankfurt am Main, DE;
Norbert Rosch, Frankfurt am Main, DE;
Rainer Wingen, Hattersheim am Main, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C09K / ; G02F / ;
U.S. Cl.
CPC ...
252299 ; 2522992 ; 2522993 ; 2522994 ; 25229961 ; 359103 ;
Abstract
A ferroelectric liquid crystal mixture containing two or more components, at least one of which is a complex ligand for ions, in particular for cations, is particularly suitable for use in ferroelectric liquid crystal displays.