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Expired Canadian patentCanada

Electrocatalysts and additives for the oxidation of solid fuels

CA 2614591 C · Owner: Ohio University · Inventors: Botte, Gerardine

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Abstract From the Canadian patent

A continuous coal electrolytic cell for the production of pure hydrogen without the need of separated purification units Electrodes comprising electrocatalysts comprising noble metals electrodeposited on carbon substrates are also provided. Also provided are methods of using the electrocatalysts provided herein for the electrolysis of coal in acidic medium as well as , electrolytic cells for the production of hydrogen from coal slurries in acidic media employing the electrodes described herein. Further provided are catalytic additives for the electro-oxidation of coal. Additionally provided is an electrochemical treatment process where iron-contaminated effluents are purified in 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

  • Filed May 8, 2006 and granted December 31, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 8, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 8, 2006
GrantedDecember 31, 2013
Term endedMay 8, 2026
Patent numberCA 2614591 C
Classification (IPC)—

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMay 8, 2006Patent grantedDec 31, 2013Term endedMay 8, 2026

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