| 发明名称 |
Admixture for the reduction of hexavalent chromium in cement compositions and method for preparing said admixture |
| 摘要 |
<p>Aqueous solution used, contains iron (II) ions, citric acid and/or ascorbic acid. An independent claim is included for the method of making the solution.</p> |
| 申请公布号 |
EP1505045(A1) |
申请公布日期 |
2005.02.09 |
| 申请号 |
EP20040017050 |
申请日期 |
2004.07.20 |
| 申请人 |
DR. PAUL LOHMANN GMBH KG |
发明人 |
BERLEKAMP, UWE, DR.;GUENTHER, UWE, DR.;OTTOLIEN, KARSTEN;WEHRMANN, BJOERN |
| 分类号 |
C04B40/00;(IPC1-7):C04B40/00 |
主分类号 |
C04B40/00 |
| 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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