| 发明名称 |
CORROSION INHIBITOR |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a corrosion inhibitor possessing both of high corrosion protection effectively preventing the corrosion of such a metal easy to be corroded as copper and excellent degradability enabling biological decomposition treatment. SOLUTION: This corrosion inhibitor comprises (a) urea or a derivative thereof and (b) hydroxy aromatics as essential ingredients.
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| 申请公布号 |
JP2001207170(A) |
申请公布日期 |
2001.07.31 |
| 申请号 |
JP20000015602 |
申请日期 |
2000.01.25 |
| 申请人 |
NEC CORP |
发明人 |
AOKI HIDEMITSU;KOITO TATSUYA;NAKABEPPU KENICHI |
| 分类号 |
H01L21/3205;C07C39/10;C07C275/00;C09G1/02;C09K15/24;C09K15/28;C23F11/00;C23F11/08;C23F11/10;H01L21/02;H01L21/304;H01L21/306;H01L21/311;H01L21/321;H01L21/3213;H01L21/768;H01L23/52;(IPC1-7):C09K15/24 |
主分类号 |
H01L21/3205 |
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