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Expired Canadian patentCanada

Process for converting a gaseous feed into an at least partly liquidproduct

CA 1296023 C · Owner: Posthuma, Sytze Abel · Inventors: Den Hartog, Marc; Van Der Burgt, Maarten Johannes; Posthuma, Sytze Abel

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Abstract From the Canadian patent

A process for converting a gaseous feed (e.g. synthesis gas) into an at least partly liquid product (e.g. paraffins) by introducing said feed into at least one reaction zone which is maintained at conversion conditions, allowing the feed to flow substantially radially towards a product collection zone and, remcving liquid- and gaseous product from the reaction zone through the collection zone. EIRH04

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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 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 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.
FiledJuly 22, 1987
GrantedFebruary 18, 1992
Term endedFebruary 18, 2009
Patent numberCA 1296023 C
Classification (IPC)C07C1/04 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJuly 22, 1987Patent grantedFeb 18, 1992Term endedFeb 18, 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.