IP Library › Granted Patent US 4,405,570
Granted Patent Utility
US 4,405,570 · App. 06/417,830

Removal of dissolved cadmium and copper from sulphate solution with hydrogen sulfide

Inventors: Jack Van der Meulen, Donald R. Weir
Patented Case View Patent ↗
Granted: Sep 20, 1983 Filed: Sep 14, 1982
Inventors
Jack Van der Meulen
Donald R. Weir
Assignee (at issue)
Sherritt Gordon Mines Limited

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Quick Facts
Patent No.
US 4,405,570
App. No.
06/417,830
Filed
1982-09-14
Granted
1983-09-20
Kind
A