Invention Grant
- Patent Title: Method for hydrolysing acetone cyanohydrin
- Patent Title (中): 水解丙酮氰醇的方法
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Application No.: US14384273Application Date: 2013-03-06
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Publication No.: US09458083B2Publication Date: 2016-10-04
- Inventor: Arndt Selbach , Lorenza Sartorelli , Andreas Perl , Joachim Deinken , Stefanie Sohnemann , Norbert Mnich , Matthias Groemping , Udo Gropp , Thomas Mertz
- Applicant: Arndt Selbach , Lorenza Sartorelli , Andreas Perl , Joachim Deinken , Stefanie Sohnemann , Norbert Mnich , Matthias Groemping , Udo Gropp , Thomas Mertz
- Applicant Address: DE Darmstadt
- Assignee: EVONIK ROEHM GmbH
- Current Assignee: EVONIK ROEHM GmbH
- Current Assignee Address: DE Darmstadt
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: DE102012205257 20120330
- International Application: PCT/EP2013/054486 WO 20130306
- International Announcement: WO2013/143812 WO 20131003
- Main IPC: B01J19/18
- IPC: B01J19/18 ; B01J19/24 ; C07C231/06 ; C07C253/30 ; C07C51/06 ; C07C51/08 ; C07C51/377 ; C07C67/22 ; B01J19/00 ; B01J4/00
Abstract:
The present invention relates to a process for hydrolysis of acetone cyanohydrin (ACH) by means of sulphuric acid within the ACH sulpho process for preparation of methacrylic acid (MAA) or methyl methacrylate (MMA).
Public/Granted literature
- US20150045577A1 METHOD FOR HYDROLYSING ACETONE CYANOHYDRIN Public/Granted day:2015-02-12
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