Method for reduction in a fluid bed of fine grained material containing iron oxide
CA 1078622 A · Owner: Stora Kopparbergs Bergslags Aktiebolag · Inventors: Collin, Per H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Inventor: PER HARALD COLLIN, Title: METHOD FOR REDUCTION IN A FLUID BED OF FINE GRAINED MATERIAL CONTAINING, IRON OXIDE. Abstract: A method in connection with reduction of fine grained iron, oxide containing material in a fluid bed for manufacturing a low-sulphurous fine, grained mixture of partly reduced iron oxide containing material and coke by the use of solid and possible liquid carbonaceous materials containing sulphur wherein: a continuous fluid bed is maintained at 800 to 1200°C in a suitable apparatus by introducing into said apparatus adjusted flows of fine grained solid carbonaceous material and possibly liquid carbonaceous material, fine grained material containing iron oxide …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 3, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 3, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.