发明授权
US4980101A Anisotropic microporous syndiotactic polystyrene membranes and a process for preparing the same 失效
各向异性微孔间同立构聚苯乙烯膜及其制备方法

Anisotropic microporous syndiotactic polystyrene membranes and a process
for preparing the same
摘要:
This invention relates to semi-permeable anisotropic syndiotatic polystyrene microporous membranes and a process for preparing such membranes.
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