Metal oxyhalide catalysts
CA 1069874 A · Owner: E.I. Du Pont De Nemours And Company · Inventors: Lauder, Alan; Mccann, Elrey L. (Iii)
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Metal oxyhalides of the general formula ABO3-fXf having perovskite-type crystal structures in which A and B are each cations of at least one metal and a portion of the type B cations are catalytically active; X is fluoride or cloride; and f is about from 0.01 to 1.0; useful for the promotion of oxidation and reduction reactions including, those involved in the cleanup of exhaust gases of internal combustion engines and their use in oxidation and reduction reactions.
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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 January 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1997.
- 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.