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:
Mar. 29, 1988
Filed:
Sep. 26, 1985
Applicant:
Inventors:
Dietrich Demus, Halle, DE;
Horst Zaschke, Halle, DE;
Carsten Tschierske, Halle, DE;
Maike Hettrich, Berlin, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; G02F / ; C07D / ;
U.S. Cl.
CPC ...
25229961 ; 549365 ; 25229962 ; 2522995 ; 3503 / ; 3503 / ;
Abstract
Liquid crystalline 2,6-disubstituted trans-1,3-dioxadecalins of the general formula ##STR1## are well suited as components of low double refraction for mixtures which are utilized in opto-electronic components.