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:
Oct. 10, 1995
Filed:
Apr. 25, 1994
Applicant:
Inventors:
Assignee:
Enichem S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
203 62 ; 203 78 ; 203 80 ; 568754 ;
Abstract
A procedure for the recovery of phenol from its mixtures containing cumene and alpha-methylstyrene, is based on the extractive distillation of the mixtures with acetophenone.