发明名称 |
Rendering building materials hydrophobic |
摘要 |
A process for simultaneously cleaning and rendering building materials hydrophobic which comprises applying to the surface of the building material a solution of a hydrophobic agent having admixed therewith a filler having a surface area of at least 50 mg2/g and after evaporation of the solvent, removing the filler residue.
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申请公布号 |
US4076868(A) |
申请公布日期 |
1978.02.28 |
申请号 |
US19760681354 |
申请日期 |
1976.04.29 |
申请人 |
WACKER-CHEMIE GMBH |
发明人 |
ROTH, MICHAEL;BOSCH, ERHARD |
分类号 |
C04B41/49;C04B41/64;(IPC1-7):B05D3/12;B32B13/12 |
主分类号 |
C04B41/49 |
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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