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. 11, 2001
Filed:
Oct. 14, 1997
Applicant:
Inventors:
Herbert Grünbacher, St. Marien, AT;
Günter Schrey, Linz, AT;
Franz Zettl, Munich, DE;
Stefan Zettl, Munich, DE;
Assignee:
Deutsche Voest-Alpine Industrienalagenbau GmbH, Dusseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B 1/500 ;
U.S. Cl.
CPC ...
C21B 1/500 ;
Abstract
In a method of effectively utilizing dusts incurring in the reduction of iron ore by means of a reducing gas and separated on that occasion in a scrubber in the form of sludges, the sludges at first are dehydrated and are used as starting materials for the production of cement (FIG.,).