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Expired Canadian patentCanada

Reactor for exothermic and endothermic catalytic reactions

CA 1287482 C · Owner: Sie, Swan Tiong · Inventors: Sie, Swan Tiong

CIPO record

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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 reactor suitable for exothermic and endothermic catalytic reactions comprising:, (a) a closed reactor shell; (b) within the reactor shell two coaxial essentially vertical cylinders, whose walls have a plurality of openings of sufficiently small dimensions so as to retain catalyst in the space between the cylinders, whilst allowing passage of process fluid; (c) heat transfer means consisting of one or more tubes extending in the catalyst space, through which heat transfer fluid can be passed;, (d) one or more inlet ports for reactants and one or more outlet ports for reactor effluent, so positioned as to make the reactants pass substantially in a radial direction through the catalyst …

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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 August 13, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 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.
FiledNovember 9, 1987
GrantedAugust 13, 1991
Term endedAugust 13, 2008
Patent numberCA 1287482 C
Classification (IPC)B01J8/12 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedNov 9, 1987Patent grantedAug 13, 1991Term endedAug 13, 2008

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