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:
Nov. 30, 1976
Filed:
Apr. 01, 1975
Applicant:
Inventors:
Daniel Edwin Floryan, Glenmont, NY (US);
Justin Walter Gucz, Pittsfield, MA (US);
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
260 / ; 2605 / ;
Abstract
A novel process for the separation of catalyst residues from polyphenylene ether reaction systems is disclosed. The process is based on the discovery that an aqueous solution of a water soluble bisulfate will extract a complex copper-amine catalyst from a reaction solution of a polyphenylene ether resin.
Quick Actions:
Floryan, Daniel. (1976). Catalyst removal from polyphenylene ether reaction solutions by (U.S. Patent No. 3994859). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3994859
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile