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Expired Canadian patentCanada

Plant for gasification of waste

CA 2184653 C · Owner: Resorption Canada Ltd. · Inventors: Carter, George W.; Tsangaris, Andreas

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 plant for gasification of waste such as municipal solid waste boxed-type biomedical, waste, granular contaminated solid and liquid toxic waste, and the like, comprising a refractory lined reactor vessel; a feed mechanism adapted to feed a predetermined type of waste into said reactor vessel with minimum exposure to atmospheric air; and a processing platform in said reactor vessel for initially receiving said waste.

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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 4, 1996 and granted April 12, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 4, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 4, 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.
FiledSeptember 4, 1996
GrantedApril 12, 2011
Term endedSeptember 4, 2016
Patent numberCA 2184653 C
Classification (IPC)C10B53/00 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedSep 4, 1996Patent grantedApril 12, 2011Term endedSep 4, 2016

Sources & verification

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