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US 12,486,220 B2Granted
Method for the purification of ethylene cyanohydrin
AssigneeEvonik Operations GmbH
InventorsSebastian Bestgen, Günther Gräff, Maik Caspari, Thorben Schütz, Harald Trauthwein
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Abstract
A process for purifying ethylene cyanohydrin involves incubating an industrial grade ethylene cyanohydrin product with at least one titanium(IV)alkoxide. Ethylene cyanohydrin products with purities of >99% contain less than 0.05% of ethylene glycol (EG), and/or contain a water content of less than 1000 ppm.
Claims11
A process for purifying ethylene cyanobydrin (ECH), the process comprising:
- incubating industrial grade ethylene cyanohydrin with at least one titanium (IV) alkoxide.
Dependencies are inferred from the claim text.