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:
Mar. 26, 2002
Filed:
Jul. 23, 1998
Applicant:
Inventors:
Rodolfo Iezzi, Milan, IT;
Andrea Bartolini, Milan, IT;
Franco Buonomo, Milan, IT;
Gueorgui Kotelnikov, Yaroslavl, RU;
Vladimir Bespalov, Yaroslavl, RU;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C07C 5/333 ; C07C 5/373 ; C07C 5/327 ;
U.S. Cl.
CPC ...
C07C 5/333 ; C07C 5/373 ; C07C 5/327 ;
Abstract
A process for obtaining light olefins by the dehydrogenation of corresponding paraffins, by reacting the paraffins with a catalytic system containing chromium oxide, tin oxide, at least one alkali metal oxide, and an alumina-silica carrier, and then regenerating the catalytic system in a regenerator by burning coke deposited on its surface at a temperature higher than the average temperature of the reactor.