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Expired Canadian patentCanada

Process and apparatus for removing gaseous polluants from exhaust gases

CA 1314384 C · Owner: Metallgesellschaft Aktiengesellschaft · Inventors: Jury, Egon

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

A process and an apparatus for treating an exhaust gas stream. The apparatus includes a spray absorber to which an exhaust gas is supplied and a rotary atomizer disposed in the spray absorber near a top portion thereof. An atomizing disk is rotatably connected to the rotary atomizer, this atomizing disk including a reservoir and outlet bores. A stationary feeder structures is provided above the atomizing disk for receiving treating agents.

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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 March 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 16, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 2, 1988
GrantedMarch 16, 1993
Term endedMarch 16, 2010
Patent numberCA 1314384 C
Classification (IPC)B01D53/14 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedAug 2, 1988Patent grantedMarch 16, 1993Term endedMarch 16, 2010

Sources & verification

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