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:
Oct. 30, 1990
Filed:
Jul. 18, 1988
Applicant:
Inventors:
Gunter Scherowsky, Berlin, DE;
Manel Gunaratne, Berlin, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C07D / ; G02F / ;
U.S. Cl.
CPC ...
2522996 ; 549450 ; 549451 ; 558389 ; 558398 ; 558399 ; 558411 ; 558414 ; 558416 ; 558419 ; 558420 ; 558423 ; 558426 ; 558430 ; 558431 ; 558454 ; 560-1 ; 560 55 ; 560 59 ; 560 65 ; 560110 ; 560112 ; 560116 ; 560118 ; 560125 ; 560126 ; 560180 ; 562887 ; 564152 ; 564155 ; 25229961 ; 25229963 ; 25229966 ; 3503 / ; 3503 / ;
Abstract
The new compounds produced from a molecular structural element with two chirality centers and at least one mesogenic structural element are defined by the general formula (I) ##STR1## in which the symbols have the following meaning: Y.sup.1 =H, (C.sub.1 -C.sub.10)alkyl, MC--CH.sub.2 or MC--CO, MC denoting the molecular radical of a mesogenic carboxylic acid after splitting off a COOH group,