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Expired Canadian patentCanada

Method for preparing an electrode and use thereof in electrochemical precesses

CA 1278766 C · Owner: De Nora S.P.A. · Inventors: Nidola, Antonio

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Abstract From the Canadian patent

The present invention concerns the method for preparing electrodes for use in electrochemical processes said electrodes, being constituted by a conductive support whereto an electrocatalytic coating is applied which coating is comprises a metal or metal alloy with particles of electrocatalytic materials dispersed therein. Said coating is obtained by galvanic deposition from a galvanic plating bath containing suspended particles of said electrocatalytic material and further contains additional doping elements belonging to the following groups of the periodic table: I B, II B, III A, IV A, V A; V B VI A, VI B, VIII. The, electrodes obtained by the method of the invention when used as cathodes …

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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 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 13, 1985
GrantedJanuary 8, 1991
Term endedJanuary 8, 2008
Patent numberCA 1278766 C
Classification (IPC)C25B1/02 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedDec 13, 1985Patent grantedJan 8, 1991Term endedJan 8, 2008

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