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:
May. 28, 1985
Filed:
Mar. 19, 1984
Applicant:
Inventors:
Bruce R Mitchell, Lower Burrell, PA (US);
Roger F Vogel, Jefferson Township, Butler County, PA (US);
Assignee:
Gulf Research & Development Company, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 68 ; 502521 ; 502525 ;
Abstract
Hydrocarbons containing vanadium are converted to lower boiling fractions employing a zeolitic cracking catalyst containing a significant concentration of a calcium-containing additive as a vanadium passivating agent.
Quick Actions:
Mitchell, Bruce. (1985). Vanadium passivation in a hydrocarbon catalytic cracking process (U.S. Patent No. 4520120). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4520120
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