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. 19, 1983
Filed:
May. 12, 1981
Applicant:
Inventor:
Kirk R Gibson, El Cerrito, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
252470 ; 252467 ; 2524 / ; 2082 / ;
Abstract
Catalyst shapes for inorganic oxide, hydroprocessing catalysts are disclosed. When the catalyst is used for diffusion limited reactions, and particularly when it is used for demetalation, shaped catalysts give longer catalyst lifetimes. Preferred shapes include fluted trilobal, asymmetric quadralobal and elongated quadralobal.