Durable electrode for electrolysis and process for production thereof
CA 1259052 A · Owner: Permelec Electrode Ltd. · Inventors: Shimamune, Takayuki; Hirao, Kazuhiro; Hirayama, Ryuta
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrolytic electrode which exhibits high durability when used in electrochemical processes in which the generation of oxygen is involved and a process for the production of the same. The electrolytic electrode comprises, (a) an electrode substrate of an electricallyconductive metal;, (b) an electrode coating of an electrode- active substance; and, (c) an intermediate layer provided between the electrode substrate (a) and the electrode coating (b) wherein the intermediate layer (a) comprises a mixed oxide of:, (i) an oxide of at least one member selected from the group consisting of titanium (Ti) and tin (Sn), each having a valence number of 4 and, (ii) an oxide of at least one member …
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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 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 5, 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.