Doped alumino-silicate catalyst and improved method for treating hydrocarbon feeds
CA 2577959 C · Owner: Euzen, Patrick · Inventors: Lett, Nathalie; Bourges, Patrick; Roy-Auberger, Magalie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns doped catalyst on alumino-silicate support with adjusted macropore content and hydrocracking/hydroconversion and hydrotreatment methods using same. The catalyst comprises at least one hydro-hydrogenating element selected from the group consisting of the elements of group VIB and group VIII of the periodic table a controlled amount of phosphorus (optionally combined with boron and/or silicon) as doping element and a non-zeolite alumina-silica-based support containing an amount between 5 wt. % and 95 wt. % of silica (SiO2).
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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 20, 2005 and granted August 14, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 20, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.