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US 6,552,207 B2Granted
Process for the preparation of amphoglycinates from vegetable oils and butters and the use thereof
AssigneesVaMa Farmacosmetica S.r.l., Fratelli Ricci-Fabbrica Prodotti Chimici S.r.l.
InventorGianni Razzano
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Abstract
A process for the preparation of amphoglycinates from vegetable oils or butters, which comprises: a) reacting a source of vegetable triglycerids with aminoethylethanolamine in the presence of bases to give a hydroxyethylimidazoline of formula (II) wherein R is the residue of the vegetable triglycerid fatty acid; b) reacting compound (II) with an alkali or alkaline-earth monohaloacetate at pH above 9, followed by acidification.
Claims4
A process for the preparation of amphoglycinates from vegetable oils or butters, which comprises:
- a) reacting a source of vegetable triglycerides with aminoethylethanolamine in the presence of bases to give a hydroxyethylimidazoline of formula (II)
- wherein R is the residue of the vegetable triglyceride fatty acid;
- b) reacting compound (II) with an alkali or alkaline-earth monohaloacetate at pH above 9, followed by acidification.
Dependencies are inferred from the claim text.