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. 11, 1989
Filed:
Dec. 28, 1987
Applicant:
Inventor:
Gary R Faler, Scotia, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568727 ; 568724 ; 568728 ;
Abstract
A method for treating a sulfonic acid-containing ion exchange resin to remove destabilizing impurities therefrom is disclosed. The method comprises contacting the resin with a base, followed by contact with a strong acid. The treated ion exchange resin is particularly suitable for use as a catalyst in the preparation of bisphenol A.