Anode of dimensionally stable oxide-ceramic individual elements
CA 1162880 A · Owner: Swiss Aluminium Ltd. · Inventors: Alder, Hanspeter; Tannenberger, Helmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An anode of a fusion electrolysis furnace for the production of aluminium consists of a plurality of individual oxide-ceramic elements of stable dimensions; the individual elements have linear cross-sectional dimensions of 2-12 cm. on the current exit surface the elements have a length, which corresponds to 2-20 times the value of the mean linear cross-sectional dimension, they are arranged approximately parallel with a mean distance between outer surfaces of 1-20 mm. and are held together mechanically stably at the end facing the current entry with an electrically conductive device situated outside the molten electrolyte; the anode in bundle configuration in com-, parison with …
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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 February 28, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 28, 2001.
- 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
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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.