US Patent 7420093 Process for the preparation of glycolaldehyde
Patent 7420093 was granted and assigned to Eastman Chemical Company on September, 2008 by the United States Patent and Trademark Office.
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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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US Patent 07420093 Process for the preparation of glycolaldehyde US Patent 7420093 Process for the preparation of glycolaldehyde
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Patent Number
0742009300
Patent Number
742009300
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074200930
Date of Patent
September 2, 2008
0Patent Application Number
118542100
Date Filed
September 12, 2007
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074200930
Date of Patent
September 2, 2008
0Patent Application Number
118542100
Date Filed
September 12, 2007
0Official Website
Patent Primary Examiner
Edits on 14 Jun, 2022
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US Patent 07420093 Process for the preparation of glycolaldehyde
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07420093
Date of patent
September 2, 2008
Patent application number
11854210
Date Filed
September 12, 2007
Patent primary examiner
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