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:
Oct. 04, 2011
Filed:
Jun. 21, 2005
Guido Spano′, Novara, IT;
Stefano Ramello, Novara, IT;
Gianni Girotti, Novara, IT;
Franco Rivetti, Milan, IT;
Angela Carati, Milan, IT;
Guido Spano′, Novara, IT;
Stefano Ramello, Novara, IT;
Gianni Girotti, Novara, IT;
Franco Rivetti, Milan, IT;
Angela Carati, Milan, IT;
Polimeri Europa S.p.A., Brindisi, IT;
Eni S.p.A., Rome, IT;
Abstract
The present invention relates to a new zeolite having a beta-type crystalline structure, characterized by a distribution of the Lewis acid sites and Brønsted acid sites corresponding to a molar ratio [Lewis sites] [Brønsted sites] equal to or higher than 1.5. This new zeolite is useful in preparation processes of alkylated aromatic hydrocarbons through the alkylation and/or transalkylation of aromatic compounds. The preparation method of the new zeolite is also object of the present invention.