| 发明名称 |
Water soluble polyamines and process for their preparation |
| 摘要 |
Water soluble polyamines useful as flocculating agents are prepared by reaction of acrylonitrile polymers in solution with dialkylaminoalkylamines using ammonium polysulfide as catalyst. |
| 申请公布号 |
US4595731(A) |
申请公布日期 |
1986.06.17 |
| 申请号 |
US19850771147 |
申请日期 |
1985.08.29 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
WILKINSON, WILLIAM K. |
| 分类号 |
C08F8/32;(IPC1-7):C08F8/32 |
主分类号 |
C08F8/32 |
| 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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