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Expired Canadian patentCanada

Process for partial oxidation of a liquid or solid and/or a gaseous hydrocarbon-containing fuel

CA 1321878 C · Owner: Martens, Franciscus Johanna Arnoldus · Inventors: Martens, Franciscus Johanna Arnoldus

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

Process for the partial oxidation of a liquid or solid and/or a gaseous fuel using a multi-orifice burner comprising a central channel and four concentric channels encircling the central channel. Liquid or solid fuel is supplied through the second concentric channel and the oxidizer is supplied through the first concentric channel and the third concentric channel. Hydrocarbon gas and/or moderator is supplied through the central channel and the fourth concentric channel. The supplies occur at speaific mass flow distributions and velocities. The mass ratio of liquid or solid fuel to hydrocarbon gas ranges from 0 to 1. DO1/T5258FF

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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 September 7, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 7, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 25, 1989
GrantedSeptember 7, 1993
Term endedSeptember 7, 2010
Patent numberCA 1321878 C
Classification (IPC)C10J3/46 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedMay 25, 1989Patent grantedSep 7, 1993Term endedSep 7, 2010

Sources & verification

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