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:
Aug. 27, 1991
Filed:
Jan. 16, 1990
Applicant:
Inventors:
Christian Bahr, Berlin, DE;
Gerd Heppke, Berlin, DE;
Detlef Lotzsch, Berlin, DE;
Feodor Oestreicher, Berlin, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; G02F / ;
U.S. Cl.
CPC ...
25229966 ; 2522996 ; 25229961 ; 25229962 ; 25229963 ; 25229964 ; 25229965 ; 25229967 ; 560 73 ; 560 85 ; 560102 ; 359 99 ; 359103 ;
Abstract
The novel esters of a chiral alcohol and a mesogenic carboxylic acid are characterized by the general formula (I) ##STR1## in which the symbols have the following meanings: n denotes 0 or 1,