Invention Grant
US07705181B2 Process for removing methacrylic acid from liquid phase comprising acrylic acid as a main constituent and target product, and methacrylic acid as a secondary component
有权
从包含丙烯酸作为主要成分和目标产物的液相中除去甲基丙烯酸的方法和甲基丙烯酸作为次要组分
- Patent Title: Process for removing methacrylic acid from liquid phase comprising acrylic acid as a main constituent and target product, and methacrylic acid as a secondary component
- Patent Title (中): 从包含丙烯酸作为主要成分和目标产物的液相中除去甲基丙烯酸的方法和甲基丙烯酸作为次要组分
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Application No.: US11354101Application Date: 2006-02-15
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Publication No.: US07705181B2Publication Date: 2010-04-27
- Inventor: Jörg Heilek , Klaus Joachim Müller-Engel , Christoph Adami , Martin Dieterle
- Applicant: Jörg Heilek , Klaus Joachim Müller-Engel , Christoph Adami , Martin Dieterle
- Applicant Address: DE Ludwigshafen
- Assignee: BASF Akiengesellschaft
- Current Assignee: BASF Akiengesellschaft
- Current Assignee Address: DE Ludwigshafen
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: DE102005009890 20050301; DE102005015639 20050405
- Main IPC: C07C51/42
- IPC: C07C51/42
Abstract:
A process for removing methacrylic acid from liquid phase P comprising acrylic acid as a main constituent and target product, and methacrylic acid as a secondary component in which the removal is effected by crystallization, the acrylic acid accumulating in the crystals formed and the methacrylic acid in the remaining mother liquor.
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