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. 28, 2008
Filed:
Nov. 21, 2001
Applicants:
Carlo Perego, Carnate, IT;
Paolo Pollesel, San Donato Milanese, IT;
Massimo Soprani, Borgosesia, IT;
Massimo Romagnoli, Sesto San Giovanni, IT;
Inventors:
Carlo Perego, Carnate, IT;
Paolo Pollesel, San Donato Milanese, IT;
Massimo Soprani, Borgosesia, IT;
Massimo Romagnoli, Sesto San Giovanni, IT;
Assignees:
Polimeri Europa S.p.A., Brindisi, IT;
Enitecnologie S.p.A., San Donato Milanese, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 4/02 (2006.01); C10G 11/02 (2006.01); B01J 38/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for the regeneration of exhausted catalysts, containing one or more calcium aluminates, for steam cracking reactions, comprising treating said exhausted catalysts in a stream of water vapour at a temperature ranging from 700 to 950° C., preferably from 720 to 850° C., and at a pressure ranging from 0.5 to 2 atm.