| 发明名称 |
Amphoteric polyelectrolite, method for production thereof, and organic sludge dehydrater. |
| 摘要 |
An amphoteric polyelectrolite represented by the general formula: <CHEM> wherein R<1>, R<2>, R<3> and R<4> are H or alkyl, R<5> is H, alkyl or w-OH substituted alkyl, HY is monobasic acid, and Z is amide. |
| 申请公布号 |
EP0387567(A2) |
申请公布日期 |
1990.09.19 |
| 申请号 |
EP19900103596 |
申请日期 |
1990.02.23 |
| 申请人 |
NIPPON SHOKUBAI KAGAKU KOGYO CO. LTD. |
发明人 |
TAKAHASHI, KAZUTOMO;YAMAMOTO, KOICHI;KODAMA, KAZUO;SUZUKI, SEIICHI;TAZAKI, TAKASHI;MORIMOTO, YUTAKA;NISHIBAYASHI, HIDEYUKI |
| 分类号 |
C02F1/54;C08F8/30;C08F8/44 |
主分类号 |
C02F1/54 |
| 代理机构 |
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代理人 |
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