发明名称 |
Bright levelling zinc plating |
摘要 |
Levelling agents for use in zinc electroplating solutions are described comprising thallous ions or a combination of peptone and thiourea. The thallous ions are preferably added to a concentration of at least 1 mg/l and the peptone-thiourea combination added to a concentration of at least 100 mg/l peptone and 50 mg/l thiourea.
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申请公布号 |
US4048024(A) |
申请公布日期 |
1977.09.13 |
申请号 |
US19760669276 |
申请日期 |
1976.03.22 |
申请人 |
INTERNATIONAL LEAD ZINC RESEARCH ORGANIZATION, INC. |
发明人 |
PATEL, DIREJ VALLABHBHAI;WARD, JOHN JOSEPH BERNARD |
分类号 |
C25D3/22;(IPC1-7):C25D3/22 |
主分类号 |
C25D3/22 |
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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