发明授权
US4048190A Preparation of bisphenol-A bisimides 失效
双酚A双酰亚胺的制备

Preparation of bisphenol-A bisimides
摘要:
A process for purifying a bisphenol-A bisimide which comprises treating the latter with a polar solvent selected from the class consisting of methanol, acetonitrile, acetone, and diethyl ether.
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