发明名称 |
Controlled delivery of corrosion inhibitors for silver recovery cartridges |
摘要 |
A method for controlled delivery of corrosion inhibitors to a silver containing solution in a silver recovery device which utilizes a metallic fill for electron exchange. The method involves forming a structure of polyurethane foam within which a corrosion inhibitor is incorporated and placing the structure in the silver recovery device.
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申请公布号 |
US4156604(A) |
申请公布日期 |
1979.05.29 |
申请号 |
US19780942477 |
申请日期 |
1978.09.15 |
申请人 |
MINNESOTA MINING & MANUFACTURING |
发明人 |
FISCH, RICHARD S;NEWMAN, NORMAN |
分类号 |
C02F1/62;C22B11/00;G03C5/395;(IPC1-7):C22B11/04 |
主分类号 |
C02F1/62 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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