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. 17, 1990
Filed:
Feb. 06, 1989
Applicant:
Inventor:
Dwain M White, Schenectady, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528493 ; 528212 ;
Abstract
Odor components are removed from polyphenylene ether resins by extracting the resin with a ketone, preferably acetone. Odor components removed by this method include 7-methyldihydrobenzofuran, dihydrobenzofuran, 2,4,6-trimethylanisole, 2,6-dimethylcyclohexanone, and 2-ethylhex-2-enal, as well as dibutylamines and various unsaturated amines.