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:
May. 30, 1989
Filed:
Jun. 13, 1988
Applicant:
Inventors:
Volker Eckhardt, D 4150 Krefeld-Uerdingens, DE;
Hans-Rudolf Dicke, D 4150 Krefeld-Uerdingens, DE;
Erich Hammerschmidt, D 5090 Leverkusen, DE;
Ludwig Bottenbruch, D 4150 Krefeld-Uerdingen, DE;
Frank Kleiner, D 5090 Leverkusen, DE;
Heinz-Ulrich Blank, D 5090 Leverkusen, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08J / ; D01F / ;
U.S. Cl.
CPC ...
528176 ; 528180 ; 528181 ; 528191 ; 528193 ; 528481 ; 528503 ;
Abstract
Thermotropic, fully aromatic polyesters based on p-hydroxybenzoic acid, aromatic dicarboxylic acid and diphenol in which the dicarboxylic acid groups consist at least in part of 3,3'-diphenyldicarboxylic acid groups have excellent mechanical properties, in particular excellent elongation at break.