Patent Yard Sign in
Canadian application, no grantCanada

Method in cleaning flue gas in a pfbc plant including a gas turbine driven thereby

CA 2069083 A1 · Owner: Madsen, Peder · Inventors: Madsen, Peder

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

The invention refers to a method in cleaning flue gas in a PFBC plant including a gas turbine driven thereby wherein the, reduction of the NOx content in the flue gas is accomplished by thermal reduction by injecting ammonia into the flue gas flow to the gas turbine and then accomplished catalytically entailed reduction in the presence of ammonia in the flue gas flow from the gas turbine.

Read the whole patent

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 November 20, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 20, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 20, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 20, 1990
GrantedNo grant recorded
Term endedNovember 20, 2010
Patent numberCA 2069083 A1
Classification (IPC)B01D53/34 +1 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedNov 20, 1990Term endedNov 20, 2010

Sources & verification

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