发明名称 |
Composition and working method to remove oxides of metals (rust) from surfaces |
摘要 |
The invention contains a method and chemical compositions to remove metaloxides from surfaces, more specifically surfaces of natural and artificial stone pavements, tiles, flags, bricks etc. <??>The chemical coposition is based on salts of thioglycolicacid. |
申请公布号 |
EP1538135(A1) |
申请公布日期 |
2005.06.08 |
申请号 |
EP20040447002 |
申请日期 |
2004.01.06 |
申请人 |
BIO SERVICES BELGIUM BVBA |
发明人 |
VERMEULEN, JAN ROGER DENIS;DE RYCKE, GINO LUC CYRIEL |
分类号 |
C04B41/53;C11D7/34 |
主分类号 |
C04B41/53 |
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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