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Expired Canadian patentCanada

Synthesis gas from gaseous co2-solid carbonaceous fuel feeds

CA 1060653 A · Owner: Texaco Development Corporation · Inventors: Schlinger, Warren G.; Paull, Peter L.

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Abstract From the Canadian patent

SYNTHESIS GAS FROM GASEOUS CO2-, SOLID CARBONACEOUS FUEL FEED (D#74,323-F), ABSTRACT OF THE DISCLOSURE This is an improved continuous partial oxidation process for producing synthesis gas or fuel gas from gaseous CO2-solid carbonaceous fuel feeds. A solid carbonaceous fuel such as finely ground coal from a pressurized lock hopper is passed directly into a high pressure high velocity CO2-rich gas stream which carries the particles of coal into a free-flow noncatalytic gas generator where by the partial oxidation reaction with a free-oxygen containing gas, preferably in the absence of supplemental H2O other than that normally present in the reactants gaseous, mixtures principally comprising …

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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 21, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 21, 1996.
  • 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—
GrantedAugust 21, 1979
Term endedAugust 21, 1996
Patent numberCA 1060653 A
Classification (IPC)C10J3/46

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedAug 21, 1979Term endedAug 21, 1996

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