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Expired Canadian patentCanada

Gas/liquid separator

CA 2537649 C · Owner: Shell Internationale Research Maatschappij B.V. · Inventors: Polderman, Hugo Gerardus

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 gas/liquid separator (1a) comprising a vertical vessel (1) having an inlet (2) for a gas/liquid mixture; a gas/liquid separation device (3) arranged within the vessel, which separation device has an inlet in fluid communication with the inlet of the vessel, and an outlet means (17) for at least partially separated gas and liquid; an outlet (8) for gas from the vessel above and in , fluid communication with the outlet means of the separation device; a liquid collection space (4) in the vessel, below and in fluid communication with the outlet means of the separation device; and an outlet (5) for liquid from the vessel, having a receiving end in the liquid collection space wherein the …

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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 September 8, 2004 and granted March 6, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 8, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 8, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 8, 2004
GrantedMarch 6, 2012
Term endedSeptember 8, 2024
Patent numberCA 2537649 C
Classification (IPC)B01D45/16 +1 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedSep 8, 2004Patent grantedMarch 6, 2012Term endedSep 8, 2024

Sources & verification

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