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:
Jul. 29, 1986
Filed:
Jul. 03, 1984
Applicant:
Inventors:
Hans-Rudolf Dicke, Krefeld, DE;
Manfred Schmidt, Krefeld, DE;
Dieter Freitag, Krefeld, DE;
Aziz El-Sayed, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528193 ; 528190 ; 528191 ; 528194 ;
Abstract
Thermotropic wholly aromatic polyesters containing condensed residues of p-hydroxybenzoic acid, isophthalic and optionally terephthalic acid, hydroquinone and 3.4'- and/or 4.4'-dihydroxy diphenyl, -diphenyl ether and/or -diphenyl sulphide, have excellent mechanical properties and are nevertheless not difficult to process.