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:
Feb. 15, 2022
Filed:
Oct. 04, 2018
Petróleo Brasileiro S.a.-petrobras, Rio de Janeiro, BR;
Sandra Shirley Ximeno Chiaro, Rio de Janeiro, BR;
Jose Luiz Zotin, Rio de Janeiro, BR;
Dayse Lovatte Fonseca, Itaipu, BR;
Anilza de Almeida Lyra Correa, Rio de Janeiro, BR;
PETRÓLEO BRASILEIRO S.A.—PETROBRAS, Rio de Janeiro, BR;
Abstract
The present invention relates to a catalyst for selective hydrodesulphurization of cracked naphtha streams in the form of an extrudate, which comprises a support based on an inorganic oxide and an outer layer bound to the support, wherein the outer layer comprises desulphurization metals dispersed therein forming a crown, the desulphurization metals being cobalt and molybdenum. The present invention also relates to the preparation of said catalyst by the incipient wetness impregnation method and to the process for selective hydrodesulphurization of cracked naphtha employing same.