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Expired Canadian patentCanada

Process of producing fuel gas and fluidized bed reactor for carrying out the process

CA 1107071 A · Owner: Zerbin, Walter O. · Inventors: Linneborn, Hans

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Fine-grained to coarse-grained or fibrous fuels of organic origin are processed with omnidirectional relative movements of fuel particles and gasifying agent particles and with subsequent formation of a combustible mixture from the fuel gas product and oxygen, followed by a combustion of the mixture in a prime mover. The fuel is gasified in a fluidized bed under such conditions that the fuel gas product is entirely or substantially free from contents of heavy hydrocarbons hydrocarbon, compounds, substances which form tarlike condensates when cooled below their dew point temperature, as well as phenols and phenol compounds. These conditions can be adjusted by any person skilled in the art in …

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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 August 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 25, 1978
GrantedAugust 18, 1981
Term endedAugust 18, 1998
Patent numberCA 1107071 A
Classification (IPC)C10J3/54 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedSep 25, 1978Patent grantedAug 18, 1981Term endedAug 18, 1998

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