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Expired Canadian patentCanada

Process for the chemicothermal decomposition of halohydrocarbons

CA 1288441 C · Owner: Neupert, Daniel · Inventors: Neupert, Daniel; Maurer, Paul-Gerhard

CIPO record

Overview

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

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Abstract From the Canadian patent

For the chemico-thermal decomposition of halohydrocarbons they are reacted at temperatures of up to 1000°C with above-stoichiometric amounts of calcium and/or magnesium silicates in a reactor while neither dioxins nor furans are formed in the flue gas.

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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

  • Granted September 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 9, 1986
GrantedSeptember 3, 1991
Term endedSeptember 3, 2008
Patent numberCA 1288441 C
Classification (IPC)F23G7/00 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedMay 9, 1986Patent grantedSep 3, 1991Term endedSep 3, 2008

Sources & verification

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