发明名称 |
Improved compositions for the sulphation-removing cleaning of carbonatic lithoidal surfaces. |
摘要 |
<p>Improved compositions for the sulphation-removing cleaning of lithoidal surfaces of prevailingly carbonatic nature, or of layers of such nature on different materials, comprising a mixture of an anion-exchange material (e.g., an anion-exchange resin) with an aqueous solution of ammonium carbonate and/or bicarbonate, and a filler selected from the group consisting of powders and/or fibrils of hydrophilic materials.</p> |
申请公布号 |
EP0263486(A2) |
申请公布日期 |
1988.04.13 |
申请号 |
EP19870114580 |
申请日期 |
1987.10.06 |
申请人 |
LARAC S.P.A. |
发明人 |
PIZZIGONI, GUISEPPE;PARRINI, PAOLO |
分类号 |
C04B41/53;C11D3/22;C11D7/12;C11D7/20;C11D7/22;E04G23/00 |
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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