| 发明名称 |
Multi-stage polymer compositions having a triggered response |
| 摘要 |
This invention provides barrier materials and devices prepared from multistage polymer compositions that protect active ingredients and beneficial agents in an aqueous system and that are triggered to release such agents to an environment of use.
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| 申请公布号 |
EP1428867(A1) |
申请公布日期 |
2004.06.16 |
| 申请号 |
EP20030257281 |
申请日期 |
2003.11.18 |
| 申请人 |
ROHM AND HAAS COMPANY |
发明人 |
CHANG, CHIN-JEN;GUO, HAILAN |
| 分类号 |
D06L1/12;C02F1/28;C02F1/50;C02F5/00;C08F265/06;C08K3/18;C08L101/14;C11D3/37;(IPC1-7):C11D3/37;C11D17/00 |
主分类号 |
D06L1/12 |
| 代理机构 |
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