3,3'-IMINO-BIS-PROPIONAMIDE PRODUCTION METHOD

3,3'-IMINO-BIS-PROPIONAMIDE PRODUCTION METHOD

The process comprises neutralisation of 3,3'-iminobis-propionamide sulphate by means of an aqueous solution of calcium hydroxide. This, giving pH 7, is followed by filtration of the CaSO4 precipitate. The product, in the form of a free base, is separated by partial or total distillation on the...

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Bibliographische Detailangaben
Hauptverfasser: PETROV PAVEL, RO, OLARIU LUCIA, RO
Format: Patent
Sprache:eng ; rum
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Zusammenfassung:The process comprises neutralisation of 3,3'-iminobis-propionamide sulphate by means of an aqueous solution of calcium hydroxide. This, giving pH 7, is followed by filtration of the CaSO4 precipitate. The product, in the form of a free base, is separated by partial or total distillation on the basis of water.