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Expired Canadian patentCanada

Methods for producing oxidized product and generating power using a solid electrolyte membrane integrated with a gas turbine

CA 2236192 C · Owner: Praxair Technology, Inc. · Inventors: Drnevich, Raymond Francis; Gottzmann, Christian Friedrich

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

A process for producing an oxidized product in conjunction with a turbine for generating power. This process comprises contacting a compressed and heated oxygen-containing gas stream with at least one solid electrolyte oxygen selective ion transport membrane in a membrane reactor. A reactant is passed into the reactor to generate an oxidized product therefrom. Oxygen-depleted retentate stream from the reactor is added to a gas turbine combustor and expanded in a gas turbine to generate power.

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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 28, 1998 and granted July 3, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 28, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 28, 2020.
  • 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 28, 1998
GrantedJuly 3, 2001
Term endedApril 28, 2018
Patent numberCA 2236192 C
Classification (IPC)F02C6/00 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedApril 28, 1998Patent grantedJuly 3, 2001Term endedApril 28, 2018

Sources & verification

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