| 发明名称 |
Zwitterionic hydrogels useful as water reservoirs, soil improvers etc |
| 摘要 |
Zwitterionic hydrogels are claimed, and their preparation by mixing together and reacting crosslinked cationic polymer gels (CPG) and crosslinked anionic polymer gels (APG).
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| 申请公布号 |
DE19640329(A1) |
申请公布日期 |
1998.03.26 |
| 申请号 |
DE1996140329 |
申请日期 |
1996.09.19 |
| 申请人 |
TRINOVA CHEMIE GMBH, 12489 BERLIN, DE |
发明人 |
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| 分类号 |
B01J20/26;B01J47/00;C05G3/04;C08J5/20;C08L39/04;C08L101/14;C09K17/18;(IPC1-7):C08L101/14;A61K7/00 |
主分类号 |
B01J20/26 |
| 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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