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:
Apr. 16, 2002
Filed:
Dec. 20, 1999
Applicant:
Inventors:
Johann Lehner, Linz, AT;
Alexander Fleischanderl, Gruenau, AT;
Wilfried Pirklbauer, Niederneukirchen, AT;
Stefan Dimitrov, Linz, AT;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21B 1/110 ; C22B 1/14 ;
U.S. Cl.
CPC ...
C21B 1/110 ; C22B 1/14 ;
Abstract
For effectively reprocessing iron-containing residual smelting plant materials ( to ), in which iron may be present both in metallic form and in oxidic form, with lowest possible energy expenditure, the residual smelting plant materials ( to ) are processed into agglomerates ( ), the agglomerates ( ) are charged into an electric arc furnace ( ), melted there and reduced, and the resultant melt is refined (FIG. ).