Catalysts consisting of metals on hydrotalcite-based carrier materials, and method for the preparation thereof
CA 2356388 A1 · Owner: Olsbye, Unni · Inventors: Rytter, Erling; Akporiaye, Duncan; Olsbye, Unni
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a catalyst comprising at least one metal loaded on a hydrotalcite-based carrier material which has the following formula in its uncalcined form: M2+aM3+b(An-)(OH)2a+3b-n*xH2O wherein M2+ is , at least one divalent metal; and M3+ is at least one trivalent metal; A is an n-valent anion, n is 1 or 2 and a and b are positive numbers a~b. When said , at least one metal is selected from the group VIII of the periodical system of the elements a useful (de)hydrogenation catalyst is achieved.
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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 22, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 22, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 22, 2021.
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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.