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. 09, 2002
Filed:
Feb. 05, 1999
Applicant:
Inventors:
Adrianus J. F. M. Braat, Roosendaal, NL;
Rene de Jongh, Bergen op Zoom, NL;
Juraj Liska, Bergen op Zoom, NL;
Assignee:
General Electric Co., Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 7/112 ; C08G 6/548 ;
U.S. Cl.
CPC ...
C08L 7/112 ; C08G 6/548 ;
Abstract
The invention relates to a novel process for preparing functionalized PPE, the process comprising oxidative coupling in a reaction solution at least one monovalent phenol species using an oxygen containing gas and a complex metal catalyst to produce a PPE; and functionalizing the PPE prior to and/or during at least one isolation step for devolatilization of the reaction solvent. The invention also relates to the polyphenylene ether resin made by the process as well as blends and articles containing the polyphenylene ether resin made by the process.