发明授权
US07323590B2 Process for rectificatively separating a liquid comprising acrylic acid and/or methacrylic acid
有权
用于精馏分离包含丙烯酸和/或甲基丙烯酸的液体的方法
- 专利标题: Process for rectificatively separating a liquid comprising acrylic acid and/or methacrylic acid
- 专利标题(中): 用于精馏分离包含丙烯酸和/或甲基丙烯酸的液体的方法
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申请号: US11400409申请日: 2006-04-10
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公开(公告)号: US07323590B2公开(公告)日: 2008-01-29
- 发明人: Gunter Lipowsky , Klaus Joachim Mueller-Engel
- 申请人: Gunter Lipowsky , Klaus Joachim Mueller-Engel
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DE Ludwigshafen
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权: DE102005019911 20050427
- 主分类号: C07C61/00
- IPC分类号: C07C61/00
摘要:
A process for rectificatively separating a liquid which comprises acrylic acid, methacrylic acid or a mixture thereof, and additionally comprises low molecular weight aldehydes and acetone.
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