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US 7,888,524 B2Granted
Process for preparing sulfuric monoesters from amino alkanols
AssigneeBASF SE
InventorsJacques Dupuis, Reinhard Hoffmann, Ekhard Winkler, Manfred Winter
Life of this patent
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Abstract
Process for the preparation of sulfuric acid monoesters of aminoalkanols by reacting sulfuric acid with aminoalkanols and removing the water forming in the reaction from the reaction mixture, sulfuric acid and at least one aminoalkanol being mixed and the hot reaction mixture forming being passed with turbulent flow into a container and being quenched therein with a fluid.
Claims15
A process for the preparation of sulfuric acid monoesters of aminoalkanols comprising:
- (a) reacting sulfuric acid with aminoalkanols and (b) removing the water forming in the reaction from the reaction mixture,
- wherein sulfuric acid and at least one aminoalkanol are mixed and the hot reaction mixture forming is passed with turbulent flow into a container and quenched therein with a fluid, wherein the temperature of said quench liquid is from −10° to 80° C.
Dependencies are inferred from the claim text.