发明名称 |
Hollow fiber separatory device |
摘要 |
A hollow fiber separatory device is provided wherein a polyurethane prepolymer is cross-linked or cured with an ester of a polyhydric alcohol which contains two or three hydroxyl groups, e.g., propylene glycol monoricinoleate, and an aliphatic acid of at least 12 carbon atoms and one or more epoxy and/or hydroxy groups per molecule.
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申请公布号 |
US4170559(A) |
申请公布日期 |
1979.10.09 |
申请号 |
US19770783086 |
申请日期 |
1977.03.31 |
申请人 |
N L INDUSTRIES INC |
发明人 |
CASE, BARTON C;KROPLINSKI, THADDEUS F |
分类号 |
B01D63/02;C08G18/10;C08G18/12;(IPC1-7):B01D31/00 |
主分类号 |
B01D63/02 |
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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