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Expired Canadian patentCanada

Method and apparatus for continuous gasification, of solid and/or fluid carbon-containing and/or hydro-carbon-containing substances in molten iron in a reaction vessel

CA 1076360 A · Owner: Klockner Cra Patent Gmbh · Inventors: Fassbinder, Hans-Georg; Mietzner, Joachim; Knuppel, Helmut

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Abstract From the Canadian patent

The invention relates to a method for the continuous gasification of solid and/or fluid carbon-containing and/or hydrocarbon-containing substances in molten iron in a reaction vessel, means for carrying out the method and the use of the gas obtained. Previously lances used to introduce reactive ingredients have had to have been introduced from above and through the thick layer of slag. As well, they have had to have been replaced frequently because of chemically and mechanically induced breakages. In the present invention the reactants are introduced from below the surface of the melt through nozzles mounted in the refractory lining of the vessel. As well, because there are no lances being …

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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 April 29, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 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.
Filed—
GrantedApril 29, 1980
Term endedApril 29, 1997
Patent numberCA 1076360 A
Classification (IPC)C10J3/00 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedApril 29, 1980Term endedApril 29, 1997

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.