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Expired Canadian patentCanada

Fixed-bed catalytic reactor

CA 2575346 C · Owner: Rizzi, Enrico · Inventors: Rizzi, Enrico; Tarozzo, Mirco; Filippi, Ermanno

CIPO record

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Abstract From the Canadian patent

A radial chemical reactor (10, 110, 210 310) for catalytic reactions , comprising: a substantially cylindrical shell (12) a first catalytic bed (18) , having a substantially ring~ shaped cross-section coaxially supported in said , shell (12) and having a reagent gases inlet side (20) and a reaction mixture outlet side (21); a plurality of heat exchangers (22) supported and distributed in a substantially ring-shaped respective portion of said first catalytic bed (18); at least one second catalytic bed (28) with a substantially ring-shaped cross-section supported in said shell (12) , co~axially to said first bed (18) and at a predetermined distance from said first bed, said second …

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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 July 22, 2005 and granted November 13, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 22, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 22, 2005
GrantedNovember 13, 2012
Term endedJuly 22, 2025
Patent numberCA 2575346 C
Classification (IPC)B01J8/04

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJuly 22, 2005Patent grantedNov 13, 2012Term endedJuly 22, 2025

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