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Expired Canadian patentCanada

Integrated reactors, methods of making same, and methods of conducting simultaneous exothermic and endothermic reactions

CA 2438733 C · Owner: Battelle Memorial Institute · Inventors: Tonkovich, Anna Lee Y.; Perry, Steven T.; Roberts, Gary L.

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Abstract From the Canadian patent

Integrated Combustion Reactors (ICRs) and methods of making ICRs are described in which combustion chambers (or channels) (12) are in direct thermal contact to reaction chambers for an endothermic reaction (115). Superior results were achieved for combustion chambers which contained a gap (18 19) for free flow , through the chamber. Particular reactor designs are also described. Processes of conducting reactions in integrated combustion reactors are described and results presented. Some of these processes are characterized by unexpected and superior results.

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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 February 15, 2002 and granted November 6, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 15, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 15, 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.
FiledFebruary 15, 2002
GrantedNovember 6, 2012
Term endedFebruary 15, 2022
Patent numberCA 2438733 C
Classification (IPC)B01J19/00 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedFeb 15, 2002Patent grantedNov 6, 2012Term endedFeb 15, 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.