发明授权
US4780568A Purification of methacrylic acid from an oxydehydrogenation by crystallization 失效
通过结晶从氧化脱氢中纯化甲基丙烯酸

Purification of methacrylic acid from an oxydehydrogenation by
crystallization
摘要:
A process for separation of methacrylic acid from methacrylic acid-isobutyric acid mixtures involving the selective crystallization and removal of the methacrylic acid from said mixtures is decribed.
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