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1.Treatment of ammoniacal solutions of metal salts for recovering their constituents 失效
Title translation: 处理金属盐的氨溶液以回收其成分公开(公告)号:US2184943A
公开(公告)日:1939-12-26
申请号:US13300037
申请日:1937-03-25
Applicant: IG FARBENINDUSTRIE AG
Inventor: KARL PATTOCK , KREIS BITTERFELD , HANS WASSENEGGER
CPC classification number: C22B3/24 , Y02P10/234
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公开(公告)号:US2264402A
公开(公告)日:1941-12-02
申请号:US17605937
申请日:1937-11-23
Applicant: IG FARBENINDUSTRIE AG
Inventor: KARL PATTOCK , KREIS BITTERFELD
IPC: B01J49/00
CPC classification number: B01J49/08
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