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. 03, 2012
Filed:
Dec. 17, 2007
William Richard Gilbert, Rio de Janeiro, BR;
Emanuel Freire Sandes, Niterói, BR;
Andrea DE Rezende Pinho, Rio de Janeiro, BR;
Claudia Maria DE Lacerda Alvarenga Baptista, Rio de Janeiro, BR;
William Richard Gilbert, Rio de Janeiro, BR;
Emanuel Freire Sandes, Niterói, BR;
Andrea de Rezende Pinho, Rio de Janeiro, BR;
Claudia Maria de Lacerda Alvarenga Baptista, Rio de Janeiro, BR;
Petroleo Brasileiro S.A. - Petrobras, Rio De Janeiro, BR;
Abstract
A process is described for catalytic cracking of hydrocarbon feedstocks from petroleum refining which increases substantially the yields of light olefins. The process limits the extreme conditions to a first reaction section and introduces a stream of cooling fluid above the feedstock injection point so as to maintain a second reaction section under cracking conditions which produce light olefins propene and ethene, and inhibits reactions undesirable for the process.