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:
Jun. 15, 1993
Filed:
Jun. 08, 1992
Applicant:
Inventors:
Constante P Tagamolila, Arlington Heights, IL (US);
Russell C Schulz, Darien, IL (US);
Assignee:
UOP, Des Plaines, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585836 ; 585854 ; 585868 ;
Abstract
A process for the continuous preparation of a cumene feed for cumene oxidation from a fresh cumene stream and a recycle cumene stream containing trace quantities of at least one organic acid compound by a dilute caustic wash of the contaminated cumene streams followed by a water wash of the cumene streams in a single vessel with multiple contacting sections. A portion of the water wash is supplied by a waste water stream from an oxidate wash zone having trace quantities of cumene hydroperoxide.