Heavy oil and bitumen upgrading
CA 2563922 C · Owner: Kellogg Brown & Root, Inc. · Inventors: Anshumali; Niccum, Phillip; Iqbal, Rashid
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a process for the upgrading and demetallizing of heavy oils and bitumens. A , crude heavy oil and/or bitumen feed is supplied to a solvent extraction process wherein DAO , and asphaltenes are separated. The DAO is supplied to a FCC unit having a low conversion , activity catalyst for the removal of metals contained therein. The demetallized distillate , fraction is supplied to a hydrotreater for upgrading and collected as a synthetic crude product , stream. The asphaltene fraction can be supplied to a gasifier for the recovery of power, steam , and hydrogen, which can be supplied to the hydrotreater or otherwise within the process or , exported. An optional coker can be …
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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 April 20, 2005 and granted July 2, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 20, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.