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:
Jan. 28, 2003
Filed:
Jul. 07, 2000
Applicant:
Inventors:
Oscar Cappellazzo, Alghero, IT;
Gianni Girotti, Novara, IT;
Massimiliano Pollastri, Bologna, IT;
Sergio Lombardini, Milan, IT;
Domenico Piccininno, Alghero, IT;
Assignee:
Enichem S.p.A., San Donato Milanese, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/66 ;
U.S. Cl.
CPC ...
C07C 2/66 ;
Abstract
Process for the alkylation of aromatic compounds by the reaction of the aromatic compound of interest with isopropanol, alone or mixed with propylene, wherein the reaction is carried out in the presence of a catalytic composition based on zeolite, under mixed gas-liquid phase conditions or under completely liquid phase conditions, at such temperature and pressures that the concentration of water in the reaction liquid phase is not higher than 8,000 ppm w/w, regardless of the total water content present in the reaction mixture.