Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 2, 2008
Patent Application Number
11854210
Date Filed
September 12, 2007
Patent Primary Examiner
Patent abstract
Disclosed are processes for the preparation of glycolaldehyde in which formaldehyde is contacted with carbon monoxide and hydrogen in the presence of a rhodium catalyst and a solvent containing at least one N,N-dihexylbutyramide. The glycolaldehyde product is recovered by extraction with water. The process provides high selectivity to glycolaldehyde and efficient separation of hydroformylation products from the solvent and rhodium catalyst.
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