发明名称 |
TRIGGERED RESPONSE COMPOSITIONS |
摘要 |
This invention provides a triggered response composition in the form of a barrier material and a delivery device that includes one or more polyelectrolytes in contact with an aqueous system that is stable and insoluble in an aqueous system and that exhibits one or more chemical/physical responses in the aqueous system, wherein the chemical/physical response of the composition is triggered upon one or more changes in ionic strength of the aqueous system.
|
申请公布号 |
CA2416464(A1) |
申请公布日期 |
2003.07.25 |
申请号 |
CA20032416464 |
申请日期 |
2003.01.16 |
申请人 |
ROHM AND HAAS COMPANY |
发明人 |
CHANG, CHING-JEN;GUO, HAILAN |
分类号 |
C08F290/06;C08F220/06;C08F220/12;C11D3/37;C11D17/00;C11D17/04;(IPC1-7):C11D3/37;C11D17/06 |
主分类号 |
C08F290/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|