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:
May. 24, 1994
Filed:
Mar. 22, 1993
Applicant:
Inventors:
Michael J Cipullo, Prattville, AL (US);
Gaylord M Kissinger, Evansville, IN (US);
Isabel M Matos, Evansville, IN (US);
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568727 ; 568722 ; 568723 ; 568728 ; 568129 ;
Abstract
Product quality productivity of continuous bisphenol-A (BPA) are increased by increasing the flow rate of reactants through the reactor and decreasing % acetone conversion in the presence of an ion exchange resin catalyst and an optional free mercaptan promoter.