Invention Grant
- Patent Title: Process for the production of dialkyl succinate from maleic anyhdride
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Application No.: US14431408Application Date: 2014-10-13
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Publication No.: US09776947B2Publication Date: 2017-10-03
- Inventor: Graham Reed , Andrew George Hiles , Rikard Umberto Andersson , Simon Nicholas Tilley , Paul Gordon
- Applicant: Johnson Matthey Davy Technologies Limited
- Applicant Address: GB London
- Assignee: JOHNSON MATTHEY DAVY TECHNOLOGIES LIMITED
- Current Assignee: JOHNSON MATTHEY DAVY TECHNOLOGIES LIMITED
- Current Assignee Address: GB London
- Agency: Armstrong Teasdale LLP
- Priority: GB1318175.5 20131014
- International Application: PCT/GB2014/053075 WO 20141013
- International Announcement: WO2015/055992 WO 20150423
- Main IPC: C07C67/08
- IPC: C07C67/08

Abstract:
In a process for the production of dialkyl succinate from a feedstock comprising maleic anhydride, feed in the liquid phase is provided to a reactor operated at a temperature of at least about 150° C. The feed is contacted with hydrogen at a pressure of at least about 300 psig in the presence of an acid tolerant catalyst and an alkanol wherein at least some of the carbon carbon double bonds of the maleic anhydride are hydrogenated to form succinic acid and that the heat generated promotes esterification to dialkyl succinate in situ. A stream of dialkyl succinate is recovered from the reactor.
Public/Granted literature
- US20170283362A9 Process For The Production Of Dialkyl Succinate From Maleic Anyhdride Public/Granted day:2017-10-05
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