Off-site regeneration of reforming catalysts
CA 2545211 C · Owner: Galliou, Pauline · Inventors: Dufresne, Pierre; Galliou, Pauline; Bergougnou, Jean Denis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for regenerating reforming catalysts. The catalyst generally comprises at least one precious metal preferably a metal from group VIII of the periodical classification of elements optionally at least one additional metal at least one halogen and at least one porous medium. The inventive method comprises at least one spent catalyst combustion phase and at least one oxyhalogenation stage said stages being carried out in a single regeneration area wherein the catalyst to be regenerated is located in the form of a fluidized bed.
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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 November 17, 2004 and granted July 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 17, 2024.
- 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.