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:
Oct. 11, 1988
Filed:
Jul. 01, 1987
Applicant:
Inventors:
Donald R Kelsey, Hillsborough, NJ (US);
Robert A Clendinning, New Providence, NJ (US);
George T Kwiatkowski, Green Brook, NJ (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528174 ; 528171 ; 528210 ; 528211 ; 528219 ; 528220 ; 528226 ;
Abstract
The method of preparing a thermoplastic polyarylether polymer which comprises reacting a first monomer composition comprising an activated dihalobenzenoid compound and dihydroxybenzenoid composition comprising hydroquinone, adding to the product a second monomer composition comprising a dihydroxybenzenoid composition consisting essentially of Bis-(hydroxyphenyl) compounds in a concentration of at least 50 mole percent of the total Bis-(hydroxyphenyl) compounds added in the monomer compositions and polymerizing.