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 a liquid medium and that exhibits one or more chemical/physical responses in the liquid medium, wherein the chemical/physical response of the composition is triggered upon a change of ionic strength in the liquid medium.
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申请公布号 |
CA2435735(C) |
申请公布日期 |
2008.10.14 |
申请号 |
CA20032435735 |
申请日期 |
2003.07.22 |
申请人 |
ROHM AND HAAS COMPANY |
发明人 |
CHANG, CHING-JEN;WEINSTEIN, BARRY;GUO, HAILAN;GRAY, RICHARD THOMAS |
分类号 |
B05D7/00;C11D3/37;B01J13/02;C08K3/18;C08L101/14;C11D3/395;C11D17/00;C11D17/04 |
主分类号 |
B05D7/00 |
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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