C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 309/15 (2006.01) B01D 61/04 (2006.01) B01D 61/16 (2006.01) C07C 303/44 (2006.01)
Patent
CA 2164502
A method of separating a solute from one or more other solutes in a solution comprises insolubilising the solute to be separated from the solution, and passing the insolubilised solute and the remaining solution in contact with a membrane. The insoluble particles cannot pass through the membrane filter but the solute(s) remaining in solution pass through the membrane filter and are thus separated from the insoluble particles. This method is particularly suitable in the manufacture of N-acyl taurate derivatives, and especially in the of sodium N-cocoyl, N-methyl taurate.
Un procédé de séparation d'un soluté d'un ou plusieurs autres solutés dans une solution consiste à insolubiliser le soluté devant être séparé de la solution et à mettre en contact le soluté insolubilisé et le reste de la solution avec une membrane. Les particules insolubles ne peuvent pas traverser la membrane filtrante mais le(s) soluté(s) restant dans la solution traverse(nt) ladite membrane et sont, de ce fait, séparé(s) des particules insolubles. Ce procédé s'avère particulièrement efficace dans la préparation de dérivés de taurate de N-acyle et, plus particulièrement dans la préparation de taurate de N-méthyle et de N-cocoyle de sodium.
Temple-Heald Clare
Watkinson Joanne Louise
Whitehead Stephen John
Croda International Plc
Sim & Mcburney
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