Electrode element for electrolytic purposes and its use
CA 2073352 A1 · Owner: Blatt, Wolfgang · Inventors: Mayr, Max; Blatt, Wolfgang; Heinke, Harri
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrode element for electrolytic purposes has a plate or block electrode (7) inserted in a U-shaped frame with two side, sections (2, 3) which, together with the lower part (4) of the frame which can be immersed in the fluid ion conductor is surrounded, by a pouch-shaped ion exchange diaphragm (20). In a frame-strap arranged beneath the electrode there are apertures (10) to allow the ion conductor through towards the electrode while in an upper strap is an aperture (15) for the exit of the ion conductor. The pouch-shaped diaphragm is surrounded by an external perforated protective casing (24). The electrode element is used as the anode in metal recovery cells or as the cathode in …
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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
- Filed January 12, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 12, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 12, 2013.
- 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.