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Canadian application, no grantCanada

Hydrogen-assisted electrolysis processes

CA 2479427 A1 · Owner: Kelly, Michael · Inventors: Kelly, Michael; Xu, Jianguo; Wu, Ying

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A process and electrolytic cell for reducing in an ionic alkali metal compound, the cell containing anode and cathode electrodes by supplying an , electrolyte containing the alkali metal compound to the cell applying an , electric voltage to the cell to reduce said alkali metal compound at the cathode, and passing hydrogen or a hydrogen containing gas to at least one electrode while the compound is reduced at the cathode.

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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

  • Filed March 14, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 14, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 14, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 14, 2003
GrantedNo grant recorded
Term endedMarch 14, 2023
Patent numberCA 2479427 A1
Classification (IPC)C25C3/00 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedMarch 14, 2003Term endedMarch 14, 2023

Sources & verification

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