Electrodeposition of iron active mass
CA 1072911 A · Owner: Inco Limited · Inventors: Spiers, David J.; Greaves, Colin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for electrodeposition of iron battery active mass which involves cathodically depositing material from an aqueous electrolyte containing iron in the trivalent state and a soluble carboxylate such as tartrate acetate, lactate, citrate, or oxalate. The deposition is carried out at a current density of about 10 to 1000 mA/cm2 and the electrolyte has a bulk pH of about 2 to about 4.
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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 March 4, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 4, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.