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A method of treatment of a fluid containing volatile organic halogenated compounds

CA 2091740 A1 · Owner: Tsurumaru, Yohka · Inventors: Iwasaki, Makoto; Nakahara, Toshitsugu; Tsurumaru, Yohka

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Abstract From the Canadian patent

A method of treatment of a fluid containing volatile organic halogenated compounds comprises bringing the fluid containing volatile organic halogenated compounds in contact with a reducing agent in the presence of a metal catalyst. Another method of treatment of a fluid containing volatile organic halogenated compounds comprises bringing the fluid containing volatile organic halogenated compounds into contact with a reducing agent in the presence of a metal catalyst and then treating the fluid with at least one post-treatment selected from the group consisting of an adsorption treatment, a thermal decomposition and a biological decomposition treatment. The methods efficiently decomposes the …

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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 March 16, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 16, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 16, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 16, 1993
GrantedNo grant recorded
Term endedMarch 16, 2013
Patent numberCA 2091740 A1
Classification (IPC)C02F1/70 +2 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedMarch 16, 1993Term endedMarch 16, 2013

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