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:
Aug. 16, 1977
Filed:
Jan. 21, 1976
Applicant:
Inventor:
Per Harald Collin, Falun, SW;
Assignee:
Stora Kopparbergs Bergslags Aktiebolag, Falun, SW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75 26 ;
Abstract
A method for endothermic reduction of solid materials in a circulating fluid bed comprising a vertically elongated reaction zone of intermediate and lower sections separated by a transport zone, wherein due to high gas velocity therein essentially all materials entering the transport zone are transported from the lower to the intermediate section; an apparatus for carrying out such method is also disclosed.