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Expired Canadian patentCanada

Methanation process and raney catalyst therefor

CA 1192536 A · Owner: Olin Corporation · Inventors: Gray, Thomas J.

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Abstract From the Canadian patent

A methanation process utilizing an improved catalyst for the conversion of CO, CO2 and mixtures thereof to CH4 is disclosed. The catalyst comprises a monolithic mesh type structure of, a nickelalloy having an integral Beta phase Raney coating on its outer surfaces. When used substantially higher reactant flow rates and lower operating temperatures are possible as compared to conventional fluidized bed granular catalysts.

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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 27, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 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.
FiledFebruary 11, 1983
GrantedAugust 27, 1985
Term endedAugust 27, 2002
Patent numberCA 1192536 A
Classification (IPC)B01J25/02 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedFeb 11, 1983Patent grantedAug 27, 1985Term endedAug 27, 2002

Sources & verification

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