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:
Jul. 22, 1997
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Fabrizio Cavani, Bologna, IT;
Gianni Girotti, Bologna, IT;
Virginio Arrigoni, Milan, IT;
Giuseppe Terzoni, Piacenza, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
585467 ; 585446 ; 585466 ; 585475 ;
Abstract
This invention provides a process for the selective production of cumene comprising reacting benzene with propylene in the presence of a type-Y zeolite modified by treatment with a phosphorous compound. This invention also provides a process for the transalkylation of a polyalkylated benzene which comprises reacting the polyalkylated benzene in the presence of benzene and a type-Y zeolite modified by treatment with a phosphorous compound.