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:
Nov. 23, 1999
Filed:
Jun. 13, 1997
Applicant:
Inventor:
John R McCauley, Louisville, MD (US);
Assignee:
Tricat Industries, Inc., Baltimore, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 64 ; 502344 ; 502415 ;
Abstract
Sulfur oxides are removed in the regenerator zone and rapidly released as H.sub.2 S in the reactor zone of an FCC system employing a particulate SO.sub.x reducing additive comprising an alkali metal oxide. Embodiments comprise the incorporation of an inorganic support, MgO, CeO.sub.2 or Ag, and V.sub.2 O.sub.5.