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. 16, 1997
Filed:
Feb. 21, 1996
Applicant:
Inventors:
Assignee:
Rolic AG, Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
25229961 ; 549370 ; 546256 ; 5462824 ; 544296 ; 544318 ; 544333 ; 544335 ;
Abstract
Liquid crystalline compounds having two dioxane rings, the dipole moments of which are unidirectional. These are compounds of the general formula ##STR1## wherein A and B each independently is cyclic or acyclic hydrophobic residues; and