Inert electrode compositions
CA 1181616 A · Owner: Aluminum Company Of America · Inventors: Ray, Siba P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A metal composition suitable for use as an inert electrode in the electrolytic production of metal from a metal compound dissolved in a molten salt the composition, defined by the formula: where , Z is a number in the range of 1.0 to 2.2; K is a number in the range of 2.0 to 4.4; Mi is at least one metal having a valence of 1, 2, 3, 4 or 5 and is the same metal or metals wherever Mi is used in the formula; Mj is a metal having a valence of 2, 3, 4 or 5; Xr is at least one of the elements O, F, N, S, C or B; m, p and n are the number of components which comprise Mi, Mj and Xr; FMi, F'Mi or Fxr are the mole fractions of Mi, Mj and Xr and 0 < F'Mi < 1.
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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 January 29, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 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.