Process for electrolytic treatment of metal by liquid power feeding
CA 1256057 A · Owner: Permelec Electrode Ltd. · Inventors: Shimamune, Takayuki; Nakamatsu, Syuji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for electrolytic treatment of a metallic object by the liquid power feeding method comprising an electrolyte containing an organic acid or a salt thereof, an electrode comprising a substrate of corrosion-resistant metal and an electrode coating at least containing iridium oxide. Such an anode is stable in commercial operation and has a long service life.
Read the whole patent
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 June 20, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 20, 2006.
- 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.