发明授权
US5672737A Fractionation and purification of mixtures of aromatic polyamines and use thereof 失效
分离和纯化芳族多胺的混合物及其用途

Fractionation and purification of mixtures of aromatic polyamines and
use thereof
摘要:
The invention relates to a process for the fractionation and purification of mixtures of aromatic polyamines and to the use thereof.
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