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. 20, 2014
Filed:
Oct. 29, 2010
Applicants:
Mauro Burattini, Cornaredo, IT;
Roberto Bagatin, Legnano, IT;
Inventors:
Mauro Burattini, Cornaredo, IT;
Roberto Bagatin, Legnano, IT;
Assignee:
Versalis S.p.A., San Donato Milanese, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 37/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for the production in continuous or semi-continuous of phenol/acetone from cumene, via cumene hydroperoxide (CHP), which comprises: a. producing CHP in an air-lift reactor in which at least the upper and/or lower part of the downcomer has a flaring; b. cleaving the cumene hydroperoxide by means of acid treatment in a loop reactor comprising two heat exchangers connected in series and wherein the feedings of CHP and fresh acetone are in pairs and each pair is positioned up-stream of each exchanger.