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:
Jul. 27, 1982
Filed:
Apr. 02, 1981
Applicant:
Inventors:
Peter J Koros, Pittsburgh, PA (US);
Robert G Petrushka, Parma, OH (US);
Assignee:
Jones & Laughlin Steel Incorporated, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75 58 ; 75 53 ;
Abstract
A process for desulfurizing molten steel which includes the formation of a synthetic slag layer, the formation of a cover which occludes the ambient air, and the simultaneous injection of lime and a reactant agent which vaporizes within the molten steel.