Dehydrogenation catalyst
CA 1310952 C · Owner: Dufour, Jacques Julien Jean · Inventors: Dufour, Jacques Julien Jean; Darnanville, Jean-Paul; Garin, Roland Albert Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Dehydrogenation catalyst comprising:, 1 to 25% by weight of an alkali metal compound calculated, as stable alkali metal oxide 0.5 to 20% by weight of a rare earth metal compound calculated as the cxide, 0.1 to 10% by weight of a calcium compound calculated as CaO, 0.5 to 10% by weight of a germaniumtin- and/or lead, compound, calculated as the dioxide and, 35 to 97.9% by weight of an iron compound calculated as, Fe2O3.
Read the whole patent
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 December 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 1, 2009.
- 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.