Patent DE720881C successfully refreshed from Google Patents.
DE720881C
Expired / Lapsed
DE
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Process for the separation of heavy metals such as zinc, cadmium and nickel from iron and sulphate-rich, metallurgical lyes
Assignee: IG Farbenindustrie AG
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Filing: 1939-02-05
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Granted: 1942-05-18
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Expires: 1959-02-05
Abstract
No abstract record available.
Inventors
- 👤 Dr Walther Suetterlin
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 16:30
CPC Classifications
C; C22; C22B; C22B23/00; C22B23/04; C22B23/0453; C22B23/0461; C01; C01G; C01G1/00; C01G1/12; C22B3/00; C22B3/20; C22B3/44; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
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References Cited (Backward Citations)
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