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. 07, 1999
Filed:
Mar. 12, 1997
Applicant:
Inventors:
Yukiomi Tanaka, Atsugi, JP;
Hiroshi Numata, Yokohama, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ;
U.S. Cl.
CPC ...
25229966 ; 25229963 ;
Abstract
A nematic liquid crystal mixture having a birefringence .increment.n of at least 0.20, comprising at least one fluorinated terphenyl of formula I and at least one fluorinated terphenyl of formula II ##STR1## wherein R and R' are each independently of one another or alkyl of up to 12 C atoms, optionally substituted by halogen, CH.sub.2 group optionally replaced, in each case independently of one another, by --O--, ##STR2## in such a manner that oxygen atoms are not linked directly to one another,