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Expired Canadian patentCanada

Divided electrochemical cell with electrode of circulating particles

CA 1086254 A · Owner: Parel Societe Anonyme · Inventors: Moergeli, Walter R.; Dewar, Bruce I.; James, George S.

CIPO record

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Abstract From the Canadian patent

There is disclosed an electrochemical process wherein an electrolyte is passed through one electrode compartment of an electrochemical cell said one electrode, compartment comprising a particulate electrode and being separated from a second electrode compartment of said electrochemical cell containing a counter-electrode by a separator having an ion-permeable wall inclined away from the vertical and towards the particulate electrode. The distribution of the particles of said particulate electrode in the electrolyte during the process is controlled in a manner such that there is formed within said one electrode compartment a first region which is adjacent to the ion-permeable wall and within …

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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 23, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 23, 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.
FiledJuly 31, 1974
GrantedSeptember 23, 1980
Term endedSeptember 23, 1997
Patent numberCA 1086254 A
Classification (IPC)C25B11/02 +2 more

Timeline

Timeline From CIPO dates

19751978198119841987199019931996Application filedJuly 31, 1974Patent grantedSep 23, 1980Term endedSep 23, 1997

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