Electrode with a platinum metal catalyst in surface film and its use
CA 1305448 C · Owner: Eltech Systems Corporation · Inventors: Beer, Henri Bernard; Arnouts, Dirk
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrode for use in electrolytic processes having a substrate of film-forming metal comprises an electrocatalyst incorporated in an integral surface film of the film-forming metal oxide grown from the substrate. The electrocatalyst incorporated in the integral surface film comprises two superimposed layers a first layer, comprising platinum metal and a second layer comprising an oxide of iridium, rhodium, palladium or ruthenium the, first platinum containing layer being next to the substrate and the second iridium, rhodium palladium or, ruthenium oxide containing layer being at the outer surface of the integral surface film of the film-forming metal oxide. The electrode comprising the …
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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 July 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 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.