专利检索 ap:("MAPEI SPA") AND inv:"PISTOLESI, Carlo" 第 1 页

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发明申请
FOAMING ADDITIVE WITH LOW ECOTOXICOLOGICAL IMPACT FOR SOIL CONDITIONING IN THE PRESENCE OF MECHANISED EXCAVATION 审中-公开

公开(公告)号：WO2020021445A1

公开(公告)日：2020-01-30

申请号：PCT/IB2019/056273

申请日：2019-07-23

申请人： MAPEI SPA

发明人： STEFANONI, Massimo , SQUINZI, Marco , PISTOLESI, Carlo , DAL NEGRO, Enrico , BOSCARO, Alessandro

IPC分类号： C09K17/32 , E21D9/06 , C09K17/14

摘要： The present invention relates to the use of foaming additives in liquid, paste or powder form, to condition soil excavated with a tunnel boring machine. Said additives can be classified as readily biodegradable and are characterised by a lower ecotoxicological impact than commercial products.