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Expired Canadian patentCanada

Process for the production of hydrocarbons from hetero-substituted alkanes

CA 1232616 A · Owner: The British Petroleum Company P.L.C. · Inventors: Font Freide, Josephus J.H.M.; Tomkinson, Jeremy D.; Brophy, John H.

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Abstract From the Canadian patent

Process for the production of hydrocarbons from hetero-substituted alkanes, A product comprising hydrocarbons having at least 2 carbon atoms is produced by contacting a monohalomethane at elevated temperature, e.g. 200 to 600°C, with a synthetic crystalline aluminosilicate zeolite having a silica to alumina molar ratio of at least 12:1 and containing cations of either hydrogen copper or a, metal capable of forming an amphoteric oxide which cations are, introduced either by exchange and/or by deposition provided that, when the cation is hydrogen the zeolite is Theta-l. At temperatures below 330°C the product predominantly comprises aliphatic hydrocarbons, of which a substantial proportion is …

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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 February 9, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 14, 1984
GrantedFebruary 9, 1988
Term endedFebruary 9, 2005
Patent numberCA 1232616 A
Classification (IPC)C07C1/26 +2 more

Timeline

Timeline From CIPO dates

1985198819911994199720002003Application filedDec 14, 1984Patent grantedFeb 9, 1988Term endedFeb 9, 2005

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