Improved compositions for the sulphation-removing cleaning of carbonatic lithoidal surfaces |
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| 申请号 | EP87114580.1 | 申请日 | 1987-10-06 | 公开(公告)号 | EP0263486A3 | 公开(公告)日 | 1989-05-03 |
| 申请人 | LARAC S.p.A.; | 发明人 | Pizzigoni, Guiseppe; Parrini, Paolo; | ||||
| 摘要 | 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. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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