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Synthesis of lower alkylene oxides and lower alkylene glycols from lower alkanes and/or lower alkenes

CA 2442094 A1 · Owner: Union Carbide Chemicals & Plastics Technology Corporation · Inventors: Bhasin, Madan Mohan; King, Stephen Wayne

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Abstract From the Canadian patent

A method and apparatus for synthesizing at least one of alkylene oxides and alkylene glycols from lower alkanes and/or lower alkenes. In the preferred embodiment, the apparatus included a lower alkane/alkene supply; an oxygen supply for providing a source of oxygen; and a metal oxide catalytic reactor. The metal oxide catalytic reactor included a reactor chamber; and a catalyst in the chamber for reacting the lower alkane/alkene supply with the source of oxygen to convert the lower alkane/alkene by selective partial oxidation to at least one of the alkylene oxides and alkylene glycols. Also in the preferred , embodiment, a separator downstream form the reactor, separated the alkylene …

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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

  • Filed April 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 18, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 18, 2024.
  • 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 18, 2002
GrantedNo grant recorded
Term endedApril 18, 2022
Patent numberCA 2442094 A1
Classification (IPC)C07D301/04 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedApril 18, 2002Term endedApril 18, 2022

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