| 发明名称 |
Preparation and purification of hydroxylamine stabilizers |
| 摘要 |
The invention relates to the preparation of ultra-high purity 1,2-diaminocyclohexane-tetraacetic acid being essentially free of unwanted metal and metal ion contaminants and its use as a stabilizer for ultra-high purity hydroxylamine compounds used extensively in the production of high premium electronic components.
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| 申请公布号 |
US2005131250(A1) |
申请公布日期 |
2005.06.16 |
| 申请号 |
US20030731123 |
申请日期 |
2003.12.10 |
| 申请人 |
WARD IRL E.;FRENCH DANIELLE |
发明人 |
WARD IRL E.;FRENCH DANIELLE |
| 分类号 |
C07C227/00;C07C227/02;C07C229/46;(IPC1-7):C07C227/00 |
主分类号 |
C07C227/00 |
| 代理机构 |
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| 地址 |
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