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Expired Canadian patentCanada

Apparatus and process for solids-fluid separation

CA 1295556 C · Owner: Shell Canada Limited · Inventors: Barnes, Peter Haddon

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

An apparatus suitable for solids-fluid (e.g. cracking catalyst/ hydrocarbon vapour) separation comprising upwardly directed feed inlet means of which the upper part cooperates substantially tangentially with a housing comprising at least a domed upper section, at least one fluid outlet means which is in fluid communication with a central section of the housing and, downwardly directed solids outlet means in communication with at least one solids outlet opening in a lower section of the housing. The invention further relates to a process for separating fluid catalytic cracking catalyst particles from gaseous hydrocarbon conversion products and/or flue gases using said apparatus.

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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 February 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 11, 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.
FiledJune 19, 1986
GrantedFebruary 11, 1992
Term endedFebruary 11, 2009
Patent numberCA 1295556 C
Classification (IPC)B04C5/08 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedJune 19, 1986Patent grantedFeb 11, 1992Term endedFeb 11, 2009

Sources & verification

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