| 发明名称 |
Porous barrier media comprising color change indicators |
| 摘要 |
The present invention provides porous barrier compositions comprising color change indicators and methods of making and using the same. |
| 申请公布号 |
US8187534(B2) |
申请公布日期 |
2012.05.29 |
| 申请号 |
US20080029850 |
申请日期 |
2008.02.12 |
| 申请人 |
MAO GUOQIANG;POREX CORPORATION |
发明人 |
MAO GUOQIANG |
| 分类号 |
B01L3/02 |
主分类号 |
B01L3/02 |
| 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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