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Expired Canadian patentCanada

Nickel containing catalysts

CA 1196907 A · Owner: Dyson Refractories Limited · Inventors: Sambrook, Rodney M.; Ross, Julian R.H.

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Abstract From the Canadian patent

23-, ABSTRACT, "Catalyst", The invention relates to a nickel containing catalyst composition of high thermal stability and which has outstanding resistance to carbon deposition, and is particularly but not exclusively for use in the steam reforming of hydrocarbons. Nickel catalysts formed from coprecipitated materials and homogeneous on a microscopic scale are commonly used for the production of SNG by the low temperature steam reforming of liquid hydrocarbons. Similar materials may be used for the methanation of carbon oxides. These processes require catalysts of high activity at relatively low temperatures. Normally the thermal stability and other physical parameters such as mechanical …

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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 19, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 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 9, 1982
GrantedNovember 19, 1985
Term endedNovember 19, 2002
Patent numberCA 1196907 A
Classification (IPC)B01J23/10 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedFeb 9, 1982Patent grantedNov 19, 1985Term endedNov 19, 2002

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