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:
Jan. 27, 1981
Filed:
Jul. 17, 1979
Applicant:
Inventors:
Hermann Mark, Brooklyn, NY (US);
Otto Szabolcs, Vienne, AT;
Assignee:
Isovolta Osterreichische Isolierstoffwerke Aktiengesellschaft, Wiener Neudorf, AT;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528169 ; 528190 ;
Abstract
A process for the preparation of aromatic polyesters which are characterized particularly by high-temperature stability and difficult inflammability and which show, in addition, a low development of heat and a high char yield in combustion.