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:
Jul. 06, 1976
Filed:
Apr. 28, 1975
Applicant:
Inventors:
James A Frayer, Indiana, PA (US);
Richard E Hildebrand, Indiana, PA (US);
John A Paraskos, McCandless, PA (US);
Assignee:
Gulf Research & Development Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208216 ;
Abstract
An asphaltene-containing oil hydrodesulfurization process employing a downstream catalyst and an upstream catalyst in a reactor. The downstream catalyst comprises supported Group VI and Group VIII metals together with a promoting amount of Group IV-B metal. The upstream catalyst comprises Group VI and Group VIII metals without promotion with Group IV-B metal.