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:
Aug. 30, 2005
Filed:
Oct. 14, 2003
Applicants:
Leonardo Dalloro, Bollate, IT;
Alberto Cesana, Carate Brianza, IT;
Roberto Buzzoni, San Mauro Torinese, IT;
Franco Rivetti, Milan, IT;
Inventors:
Leonardo Dalloro, Bollate, IT;
Alberto Cesana, Carate Brianza, IT;
Roberto Buzzoni, San Mauro Torinese, IT;
Franco Rivetti, Milan, IT;
Assignees:
ENI S.p.A., Rome, IT;
Polimeri Europa S.p.A., Brindisi, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07C039/00 ;
U.S. Cl.
CPC ...
Abstract
A process is described for the preparation of phenol characterized in that the phenol is obtained by means of the hydrodeoxygenation of benzene-diols with hydrogen, operating in continuous, in an aqueous solution, at temperatures ranging from 250 to 500° C., at pressures of 1-100 bar and in the presence of a catalyst based on elements of group VIB or group VIII of the periodic table.