Recuperation of cyanides from rinsing solutions of cyanidric processes for electrodeposition of metals
CA 1160018 A · Owner: Peuser, Michael Franz-Xaver · Inventors: Bartolo, Jose Benedito; Peuser, Michael Franz-Xaver
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the recuperation of cyanide from rinse solutions of electroplating processes is described. The process comprises precipitating soluble cyanide from the rinse solutions containing a metal selected from copper silver, gold, and zinc by adding a soluble simple salt of the same metal to the solution.
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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 10, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 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.