Separation of asphaltenes from bitumen and heavy oils using a metal salt catalyst
CA 2428995 A1 · Owner: Ozum, Baki · Inventors: Ozum, Baki; Speight, James G.; Moschopedis, Speros E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the present invention a method for the separation of asphaltenes from beat , not limited, to, oil sands bitumen water slurry based oil sands extraction froth heavy , oils and heavy, fractions of the refinery products by using the catalytic effect of metal salts, such as, belt, not limited to aluminum chloride (AlCl3) zinc chloride (ZnCl2) and ferric , chloride (FeCl3) as catalyst to promote intra molecular condensation between the asphaltene, molecules similar to the Friedel-Crafts type alkylation reactions to condensate and, flocculate asphaltenes for their rapid separation and precipitation. The precipitated, asphaltenes are easily separated by density difference using …
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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 May 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 16, 2025.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.