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. 31, 1988
Filed:
Apr. 25, 1986
Applicant:
Inventors:
Markus Matzner, Edison, NJ (US);
Paul A Winslow, West Millington, NJ (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528126 ; 528125 ;
Abstract
Described herein is a novel process for the preparation of poly(aryl ether ketones). The process comprises reacting an activated dihalobenzenoid compound with a diphenol and/or in self-condensing a halophenol whose halogen atom is activated towards nucleophilic substitution reactions. The polymerizations are performed at high temperatures, in an aprotic solvent, and in the presence of a base. The base comprises sodium carbonate or bicarbonate and a potassium, rubidium or cesium salt of an organic acid.