Method for preparing catalyst for reforming methanol
CA 2406034 A1 · Owner: Okada, Osamu · Inventors: Echigo, Mitsuaki; Okada, Osamu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for preparing a methanol reforming catalyst of copper-zinc-aluminum type through the co-precipitation method which comprises utilizing a copper , compound a zinc compound and aluminum hydroxide mixing these compounds with , an alkaline material to thereby form a precipitate and burning the , precipitate, and a method which further comprises subjecting the resulting burned product to a hydrogenation treatment. The preparing method provides a catalyst for reforming methanol which has high activity high heat resistance , and long life, and specifically can be used for a long period of time even under a reaction condition of 300~C or higher.
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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 19, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 19, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 19, 2022.
- 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.