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. 31, 1993
Filed:
Sep. 04, 1991
Applicant:
Inventors:
Assignee:
National Science Council, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 27 ; 528 15 ; 528 29 ; 525479 ; 25229901 ; 25229961 ;
Abstract
A side-chain liquid crystalline polymer containing crown ether based mesogens having the following structure ##STR1## wherein the polymer backbone is at least partially grafted by the crown ether based mesogens with oligo(methylene) or oligo(oxyethylene) spacers.