Caustic alkali producing multiple vertical diaphragm type electrolytic cell admitting of easy assembly
CA 1053176 A · Owner: Kureha Kagaku Kogyo Kabushiki Kaisha · Inventors: Okazaki, Isao; Kokubu, Yoshikazu; Shikano, Haruo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a caustic alkali producing multiple vertical diaphragm type electrolytic cell, wherein a plurality of vertical flat box shaped unit anode chamber sets are assembled in parallel in a cathodic cell case having a conductive base each said, unit anode chamber set comprising main walls formed of a pair of diaphragms and a pair of cathode wire nets stretched on a frame on the outside of said diaphragms and a pair of anode, plates received in said anode chamber so as to face said diaphragms, the improvement characterized in that when the plural, unit anode chamber sets are assembled in parallel in the cell case, the cathode wire nets can be electrically connected easily to the conductive base …
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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 April 24, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 24, 1996.
- 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.