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. 21, 2006
Filed:
Dec. 02, 2003
Applicants:
Marion G. Waggoner, Landenberg, PA (US);
Michael Robert Samuels, Wilmington, DE (US);
Inventors:
Marion G. Waggoner, Landenberg, PA (US);
Michael Robert Samuels, Wilmington, DE (US);
Assignee:
E.I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/52 (2006.01); B32B 27/08 (2006.01); C08G 63/60 (2006.01); C08G 63/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Liquid crystalline polymer having repeat units derived from 4,4'-biphenol, terephthalic acid, 2,6-naphthalenedicarboxylic acid, and 4-hydroxybenzoic acid in a limited compositional range have melting points of 400° C. or more, and are useful for molded articles and for films, particularly for uses where good high temperature resistance is needed.