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Expired Canadian patentCanada

Autothermal reforming catalyst and process

CA 1197228 A · Owner: United Technologies Corporation · Inventors: Lesieur, Roger R.; Setzer, Herbert J.; Karovolis, Sam

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

12-, Autothermal Reforming Catalyst, and Process Abstract, High activity steam reforming catalysts are described particularly adapted for use in autothermal reforming processes. A rhodium catalyst on a calcium oxide impregnated alumina substrate allows the autothermal reforming process to take place with substantially no carbon plugging at oxygen to carbon ratios below what had been considered critical for avoiding carbon plugging of the catalyst in the past.

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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 November 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 14, 1983
GrantedNovember 26, 1985
Term endedNovember 26, 2002
Patent numberCA 1197228 A
Classification (IPC)B01J23/58 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedApril 14, 1983Patent grantedNov 26, 1985Term endedNov 26, 2002

Sources & verification

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