| 发明名称 |
PROCESSO PARA PREPARAR UMA ESPONJA E PROCESSO PARA ABSORVER UM LIQUIDO |
| 摘要 |
<p>A water-absorbing sponge comprises at least one of a pendent sulfo-group containing polyurea and polyurethane, the polymer containing at least one sulfonate equivalent per 20,000 molecular weight units.</p> |
| 申请公布号 |
BR8606045(A) |
申请公布日期 |
1987.09.15 |
| 申请号 |
BR19868606045 |
申请日期 |
1986.12.08 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
WAYNE K. LARSON;STEVEN T. HEDRICK |
| 分类号 |
C08G18/08;(IPC1-7):C08G18/14 |
主分类号 |
C08G18/08 |
| 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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