| 发明名称 |
POLYMERIC COMPOSITIONS FOR DEWATERING SEWAGE SLUDGES |
| 摘要 |
Compositions comprising of blends of polymeric materials, including a cationic polymer having an intrinsic viscosity of from 8 to 17 dl/g and a cationic content of from 20 to 100% which may be used in the dewatering of thermophilic sludges. |
| 申请公布号 |
EP1311614(B1) |
申请公布日期 |
2005.06.08 |
| 申请号 |
EP20010969592 |
申请日期 |
2001.08.14 |
| 申请人 |
CIBA SPECIALTY CHEMICALS WATER TREATMENTS LIMITED |
发明人 |
NORMAN, PETER IAN;READ, HELEN, ELIZABETH;BERGGREN, NILS |
| 分类号 |
C02F1/56;C02F11/14;C08G73/02;C08L33/14;C08L33/26;C08L39/08;C08L79/02;(IPC1-7):C08L33/14 |
主分类号 |
C02F1/56 |
| 代理机构 |
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