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Expired Canadian patentCanada

Production of hydrogen and carbon with a carbon black catalyst

CA 2345950 C · Owner: Arild, Vik · Inventors: Arild, Vik

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Abstract From the Canadian patent

The invention covers method, device and application of production of hydrogen and carbon by pyrolysis based on natural gas methane , or other organic gases as raw material. The method for precipitation of solid carbon is characterized by the use of finely distributed carbon dust as catalyst for the precipitation process. The device is designed as a reaction chamber that contains the catalyst. The temperature in the chamber is controlled by supply of electrical power or other energy. In addition the invention covers the application of compact pyrolysis systems in vehicles, for pre-processing of gases containing hydrocarbons and for fuel production for polymer fuel cells that …

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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 September 30, 1999 and granted February 22, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 30, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 30, 1999
GrantedFebruary 22, 2011
Term endedSeptember 30, 2019
Patent numberCA 2345950 C
Classification (IPC)C01B3/26 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedSep 30, 1999Patent grantedFeb 22, 2011Term endedSep 30, 2019

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