Ion enchange membrane having porous non-oxide ceramic particles on the surface
CA 1193999 A · Owner: Asahi Glass Company Ltd. · Inventors: Morimoto, Takeshi; Oda, Yoshio; Suzuki, Kohji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ion exchange membrane electrolytic cell comprises an anode a cathode, an anode compartment and a cathode compartment partitioned by an ion exchange membrane. A gas and liquid permeable porous nonelectrode layer composed of non-oxide ceramics particles is bonded to at least one side of the ion exchange membrane. With use of such a membrane, the cell voltage can considerably reduced in the electrolysis of water, an alkali metal halide, an alkali metal carbonate etc.
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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 24, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2002.
- 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.