Process for the preparation of a microspheroidal catalyst
CA 2472365 A1 · Owner: Murphy, Dennis · Inventors: Baker, Michael James; Johnston, Peter; Murphy, Dennis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for impregnating microspheroidal catalyst support particles with at least one compound of a catalytically active group VIII noble metal which , process comprises the steps of: (a') impregnating the microspheroidal support particles by the incipient wetness technique with an aqueous solution of the at least one catalytically active group VIII noble metal whilst agitating the , support particles; and (b') drying the impregnated support particles produced in step (a')whilst agitating the impregnated support particles. The microspheroidal support particles are preferably silica alumina, zirconia or , mixtures thereof. Where the catalytically active group VIII noble metal is …
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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 December 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 18, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 18, 2024.
- 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.