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. 06, 1977
Filed:
Jan. 02, 1976
Applicant:
Inventors:
Juan Celada, Monterrey, MX;
Patrick W MacKay, Monterrey, MX;
Assignee:
Fierro Esponja, S.A., Monterrey, MX;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
75 35 ; 75 91 ;
Abstract
A process for the direct gaseous reduction of iron ore to sponge iron wherein the sponge iron is cooled with a carbon-containing cooling gas by a dual temperature procedure that increases transfer of carbon from the cooling gas to the sponge iron and thereby permits the production of a product having a combination of relatively low or moderate metallization and relatively high potential metallization. Increased productivity of the direct reduction plant and of the overall integrated steel plant are achieved.