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. 06, 1981
Filed:
Aug. 15, 1979
Applicant:
Inventors:
Mortimer M Labes, Philadelphia, PA (US);
John H MacMillan, Ambler, PA (US);
Assignee:
Temple University, Philadephia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
3503 / ; 2522995 ; 25229963 ; 25229966 ; 252408 ; 564124 ; 564143 ; 564307 ; 564338 ; 564339 ; 564455 ; 564457 ; 560 24 ; 2604 / ;
Abstract
A group of novel, low temperature liquid crystalline compounds with terminal, primary or secondary amino polar electron donating groups are disclosed. These include, for example, p-alkyl-or alkoxy-phenylcyclohexanes, bicyclohexyls or biphenyl ring systems, substituted at the p' position with alkyl primary or secondary amines, of which one example is p-(4-trans-n-pentylcyclohexyl)benzylamine.