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Expired Canadian patentCanada

Preparation and use of thallium palladate as cover layer of metal anodes

CA 1062201 A · Owner: Conradty Gmbh And Co. Metallelektroden Kg · Inventors: Zollner, Christine; Koziol, Konrad; Zollner, Dieter

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Abstract From the Canadian patent

A process for the production of thallium palladate (T1Pd3O4) a cardinal red face centred cubic crystalline compound when pure and if stoichiometric composition, in which thallic oxide is reacted with palladium monoxide at a temperature in the range 500-600°C. The thallic oxide May be derived from thallous nitrate and the palladium monoxide may be mixed either with the thallous nitrate or added after formation of the thallic oxide. Thallium palladate is useful as an electrochemically active cover layer for metal anodes.

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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 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 11, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedSeptember 11, 1979
Term endedSeptember 11, 1996
Patent numberCA 1062201 A
Classification (IPC)C25B11/08

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedSep 11, 1979Term endedSep 11, 1996

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.