Electrolysis of tin complexes
CA 1214428 A · Owner: Manchem Limited · Inventors: Holland, Frank S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus is described for electrolyzing a tin containing electrolyte, wherein an electric current is passed between an anode disposed solely in an aqueous anolyte and a cathode located solely in an aqueous-electrolyte immiscible catholyte comprising a halogenotin complex. This has utility including the separate recovery of elemental tin and an organic "onium" compound from the halogenotin complex whereas according to earlier specifications, an "onium" compound is used in only catalytic amounts and a complex formed from the onium compound is recovered after the organotin products have been separated. It has been found that the method of the invention can be operated at an …
Read the whole patent
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 November 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 2003.
- 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.