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公开(公告)号:US3843491A
公开(公告)日:1974-10-22
申请号:US31906072
申请日:1972-12-27
Applicant: SNAM PROGETTI
IPC: B01J23/50 , B01J37/34 , C07D301/10 , C07D303/04 , C25C1/20 , C25C5/00 , C22D5/00 , C22D1/12
CPC classification number: C07D301/10 , B01J23/50 , B01J37/348 , Y02P10/138
Abstract: 1. A PROCESS FOR THE PREPARATION OF SILVER USEFUL AS A CATALYST BY SILVER ELECTROCHEMICAL DEPOSITION COMPRISING: COMPLEXING A SILVER COMPOUND WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF AMMONIC AND FLUOBORIC IONS, ELECTROLYTICALLY DEPOSITING THE SILVER COMPOUND ON A CATHODE, AND CONCURRENTLY REMOVING THE DEPOSITED SILVER FROM SAID CATHODE WHEREBY THE REMOVED SILVER HAS A SIZE OF LESS THAN 1500 A.
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3.
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公开(公告)号:BR7208712D0
公开(公告)日:1973-09-20
申请号:BR871272
申请日:1972-12-08
Applicant: SNAM PROGETTI
IPC: B01J23/50 , B01J37/34 , C07D301/10 , C07D303/04 , C25C1/20 , C25C5/00 , C07D1/14 , B01J11/08
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5.
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公开(公告)号:ZA7207973B
公开(公告)日:1973-09-26
申请号:ZA7207973
申请日:1972-11-10
Applicant: SNAM PROGETTI
IPC: B01J23/50 , B01J37/34 , C07D301/10 , C07D303/04 , C25C1/20 , C25C5/00 , B01J
CPC classification number: C07D301/10 , B01J23/50 , B01J37/348 , Y02P10/138
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公开(公告)号:IT944424B
公开(公告)日:1973-04-20
申请号:IT3301071
申请日:1971-12-28
Applicant: SNAM PROGETTI
IPC: B01J23/50 , B01J37/34 , C07D301/10 , C07D303/04 , C25C1/20 , C25C5/00 , B01J
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