Invention Grant
- Patent Title: Process for preparing (meth)acrylic acid
- Patent Title (中): 制备（甲基）丙烯酸的方法
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Application No.: US12442415Application Date: 2007-08-30
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Publication No.: US08207371B2Publication Date: 2012-06-26
- Inventor: Bernd Vogel , Alexander May , Hermann Siegert
- Applicant: Bernd Vogel , Alexander May , Hermann Siegert
- Applicant Address: DE Darmstadt
- Assignee: Evonik Röhm GmbH
- Current Assignee: Evonik Röhm GmbH
- Current Assignee Address: DE Darmstadt
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: DE102006055428 20061122
- International Application: PCT/EP2007/059029 WO 20070830
- International Announcement: WO2008/061819 WO 20080529
- Main IPC: C07C67/30
- IPC: C07C67/30 ; C07C35/00
Abstract:
The present invention relates to a process for preparing (meth)acrylic acid, characterized in that a cyclic ester is converted to (meth)acrylic acid in the presence of a catalyst. The (meth)acrylic acid prepared can in particular be converted to (meth)acrylates.
Public/Granted literature
- US20100029979A1 PROCESS FOR PREPARING (METH)ACRYLIC ACID Public/Granted day:2010-02-04
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