| 发明名称 |
PROCESS FOR THE PRODUCTION OF BALLAST |
| 摘要 |
A process for the production of ballast for railway track laying, road construction, dam construction and bank protection, wherein ballast stones are spread out to form ballast and a reaction mixture for the preparation of a polyurethane foam, produced from components by a low-pressure process, is applied between the spread ballast stones. |
| 申请公布号 |
EP2689069(A1) |
申请公布日期 |
2014.01.29 |
| 申请号 |
EP20120711818 |
申请日期 |
2012.03.21 |
| 申请人 |
BAYER INTELLECTUAL PROPERTY GMBH |
发明人 |
HOFFMANN, ANDREAS;ERWE, TORSTEN;MAIER, UDO;WIRTZ, HANS-GUIDO;KLEINER, THOMAS;BUSCH, RALF |
| 分类号 |
E01B1/00;C08G18/00 |
主分类号 |
E01B1/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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