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:
Sep. 14, 1982
Filed:
Sep. 30, 1980
Applicant:
Inventor:
Paul Cichy, Buffalo, NY (US);
Assignee:
Kennecott Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75 1 / ; 75 24 ; 75 6 / ; 75 6 / ;
Abstract
The invention provides a method wherein alumina-containing slag from melting of spent alumina catalyst material is transported to a second furnace for finishing to satisfactory temperature, composition and quantity for casting as an abrasive material or cast refractory. In one embodiment of the invention, the molten alumina slag material is cast into an inclined trough for direct delivery from the spent catalyst furnace to the abrasive or refractory furnace for finishing.