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, 1976
Filed:
Aug. 19, 1974
Applicant:
Inventors:
Raymond H Long, Morristown, NJ (US);
William V Bauer, New York, NY (US);
Assignee:
The Lummus Company, Bloomfield, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ; C22B / ;
U.S. Cl.
CPC ...
75-4 ; 75-6 ;
Abstract
Iron oxide pellets, containing integral carbon and a desulfurizing additive, are heated up to a final reduction temperature of 1800.degree. - 2500.degree. F, with the heating over the range from 1500.degree. F to the final reduction temperature being controlled depending on the amount of integral carbon in the pellets. The pellets are reduced, with the pellets being steamed prior to the reduction or during the reduction. Pellets having a sulfur content of less than 0.03 weight percent are produced.