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Expired Canadian patentCanada

Method for producing oxygen and generating power using a solid electrolyte membrane integrated with a gas turbine

CA 2179080 C · Owner: Prasad, Ravi · Inventors: Prasad, Ravi; Gottzmann, Christian Friedrich

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A compressed, oxygen-containing gas stream is combusted and then contacted with a solid electrolyte membrane to produce an oxygen-depleted compressed gas, stream and product oxygen. Preferably the oxygen-, depleted gas stream is further combusted used to, produce steam, and/or used to preheat the oxygencontaining gas stream prior to expansion in a gas turbine.

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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 June 13, 1996 and granted December 21, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 13, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 13, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 13, 1996
GrantedDecember 21, 1999
Term endedJune 13, 2016
Patent numberCA 2179080 C
Classification (IPC)C01B13/02 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedJune 13, 1996Patent grantedDec 21, 1999Term endedJune 13, 2016

Sources & verification

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