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US4736062A Process for preparing methacrylic acid 失效
制备甲基丙烯酸的方法

Process for preparing methacrylic acid
摘要:
A process is disclosed for producing an alpha-, beta-ethylenically unsaturated monocarboxylic acid compound which comprises the aldol-type condensation of a saturated aliphatic monocarboxylic acid compound under vapor phase conditions in the presence of a hydrocarbon of 6 to 12 carbon atoms and a solid catalyst.
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