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Expired Canadian patentCanada

Process for production and preparation of rapid pyrolysis products from biomass for pressurized entrained-flow gasification

CA 2623148 C · Owner: Dinjus, Eckhard · Inventors: Raffelt, Klaus; Weirich, Friedhelm; Dinjus, Eckhard

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Abstract From the Canadian patent

Process for production and preparation of rapid pyrolysis products from biomass for pressurized entrained-flow gasification comprising heating the biomass in the absence of oxygen in a pyrolysis reactor in which process a , temperature between 400 and 600~C is established for one to 50 seconds and the biomass reacts to form porous pyrolysis coke pyrolysis condensate and , pyrolysis gas the pyrolysis gases are removed and vaporous components of the pyrolysis condensate are condensed in a plurality of condensation stages condensed components being separated off in each condensation stage. The object is to improve the process in such a manner that in particular, the , risk of unwanted …

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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 July 29, 2006 and granted March 20, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 29, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 29, 2006
GrantedMarch 20, 2012
Term endedJuly 29, 2026
Patent numberCA 2623148 C
Classification (IPC)C10C5/00 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJuly 29, 2006Patent grantedMarch 20, 2012Term endedJuly 29, 2026

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