Invention Grant
- Patent Title: Process for preparing an unsaturated carboxylic acid salt
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Application No.: US16090731Application Date: 2017-04-04
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Publication No.: US10774024B2Publication Date: 2020-09-15
- Inventor: Thomas Schaub , Rocco Paciello , Nuria Huguet Subiela , Oliver Trapp , Simone Manzini
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen am Rhein
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen am Rhein
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@63d9edfe
- International Application: PCT/EP2017/057953 WO 20170404
- International Announcement: WO2017/178282 WO 20171019
- Main IPC: C07C51/15
- IPC: C07C51/15 ; B01J31/12 ; B01J31/18 ; C07C51/44 ; C07C57/04

Abstract:
The present invention relates to a catalytic process for preparing an α,β-ethylenically unsaturated carboxylic acid salt, comprising contacting an alkene and carbon dioxide with a carboxylation catalyst being a transition metal complex, an alkoxide, and an organic solvent, to obtain an α,β-ethylenically unsaturated carboxylic acid salt, the organic solvent being incompletely miscible with water at a pressure of 1 bar at at least one temperature T and selected from amides and ureas, T being a temperature in the range from 10° C. to 90° C.
Public/Granted literature
- US20190112251A1 PROCESS FOR PREPARING AN UNSATURATED CARBOXYLIC ACID SALT Public/Granted day:2019-04-18
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