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. 02, 2007
Filed:
Feb. 26, 2004
Leonardo Dalloro, Bollate, IT;
Alberto Cesana, Carate Brianza, IT;
Robert{dot Over (O)} Buzzoni, San Mauro Torinese, IT;
Franco Rivetti, Milan, IT;
Giovanni Antonio Fois, Porto Torres, IT;
Caterina Rizzo, San Donato Milanese, IT;
Virginio Arrigoni, Milan, IT;
Leonardo Dalloro, Bollate, IT;
Alberto Cesana, Carate Brianza, IT;
Robert{dot over (o)} Buzzoni, San Mauro Torinese, IT;
Franco Rivetti, Milan, IT;
Giovanni Antonio Fois, Porto Torres, IT;
Caterina Rizzo, San Donato Milanese, IT;
Virginio Arrigoni, Milan, IT;
Polimeri Europa S.p.A., Brindisi, IT;
Enitecnologie S.p.A., San Donato Milanese, IT;
Abstract
A process is described for the synthesis of mesitylene, characterized in that mesitylene is obtained starting exclusively from pseudocumene, without the use of any other chemical compound, operating in continuous, at a temperature ranging from 225 to 400° C., at a pressure ranging from 1 to 50 bar, at a weight space velocity ranging from 0.1 to 10 hours, and in the presence of a catalyst containing a zeolite selected from ZSM-5 zeolite having a crystal lattice based on silicon oxide and aluminum oxide, and ZSM-5 zeolite modified by the partial or total substitution of Si with a tetravalent element such as Ti or Ge and/or the partial or total substitution of Al with other trivalent elements, such as Fe, Ga or B.