Invention Grant
- Patent Title: Method for producing methacrylic acid
- Patent Title (中): 生产甲基丙烯酸的方法
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Application No.: US12864985Application Date: 2009-01-13
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Publication No.: US08575388B2Publication Date: 2013-11-05
- Inventor: Udo Gropp , Stefanie Sohnemann , Guido Protzmann , Thomas Mertz
- Applicant: Udo Gropp , Stefanie Sohnemann , Guido Protzmann , Thomas Mertz
- Applicant Address: DE Darmstadt
- Assignee: Evonik Roehm GmbH
- Current Assignee: Evonik Roehm GmbH
- Current Assignee Address: DE Darmstadt
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: DE102008000785 20080320
- International Application: PCT/EP2009/050294 WO 20090113
- International Announcement: WO2009/115349 WO 20090924
- Main IPC: C07C57/065
- IPC: C07C57/065
Abstract:
The present invention relates to a method for producing methacrylic acid by reacting methacrylamide with water, wherein said reaction is performed continuously in a tube reactor and a pressure differential exists in the flow direction of the reaction mixture inside said tube reactor. Furthermore, the present invention discloses a facility for carrying out the method according to the invention.
Public/Granted literature
- US20120004460A9 METHOD FOR PRODUCING METHACRYLIC ACID Public/Granted day:2012-01-05
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