Dehydrogenation catalyst
CA 1108114 A · Owner: Shell Canada Limited · Inventors: Riesser, Gregor H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A catalyst for the dehydrogenation of hydrocarbons to more unsaturated hydrocarbons comprising:, (a) from 50 to 95 percent by weight of an iron oxide measured as, ferric oxide;, (b) from 5 to 30 percent by weight of potassium oxide and/or potassium carbonate, measured as potassium oxide; (c) from 0.01 to 9 percent by weight of a vanadium oxide measured, as vanadium pentoxide;, (d) from 0.01 to 10 percent by weight of an additive metal oxide selected from the group consisting of aluminium cadmium, copper, magnesium, manganese, nickel a member of a rare earth series, uranium zinc and mixtures thereof, measured as the individual oxide having the most stable form in air at one atmosphere and …
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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
- Granted September 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 1998.
- 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.