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Expired Canadian patentCanada

Process and apparatus for mixing fluid catalytic cracking hydrocarbon feed and catalyst

CA 1301103 C · Owner: Haddad, James Henry · Inventors: Owen, Hartley; Haddad, James Henry

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Abstract From the Canadian patent

Abstract of the Disclosure, A process and apparatus for mixing fluid catalytic cracking hydrocarbon feed and catalyst is disclosed. Lift gas passes through a first conduit which is axially aligned with a second conduit. A downstream end of the first conduit and an upstream end of the second conduit are located within a catalyst bed enclosed by a chamber. The second conduit axially injects catalyst and lift gas into an upstream end of an elongated fluid catalytic cracking riser while passing hydrocarbon feed into the riser through an annular zone about the upstream end of the riser. Preferably steam also passes through this annular zone. The process and apparatus achieves substantially …

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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 May 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 29, 1988
GrantedMay 19, 1992
Term endedMay 19, 2009
Patent numberCA 1301103 C
Classification (IPC)B01J8/18 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedApril 29, 1988Patent grantedMay 19, 1992Term endedMay 19, 2009

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