Detergent compositions

Details Detergent compositions Detergent compositions

C - Chemistry, Metallurgy

11

D

C11D 3/08 (2006.01) C11D 1/94 (2006.01) C11D 3/12 (2006.01) C11D 3/33 (2006.01)

Patent

CA 2141610

Granular detergent compositions comprising ethylenediamine-N,N'-disuccinic acid or salts thereof and a crystalline layered sodium silicate of formula LMSi x O2x H~ yH2O wherein L is an alkali metal, and M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20 are provided. The compositions also preferably comprise surfactant and additional non-phosphate detergent builder compounds.

L'inventon se rapporte à des compositions detersives granulaires comprenant de l'acide éthylènediamine-N,N'disuccinique ou des sels de celui-ci, ainsi qu'un silicate de sodium cristallin à couches de la formule LMSixO2xH.yH2O, L représentant un métal alcalin, et M représentant sodium ou hydrogène, x valant un nombre compris entre 1,9 et 4, et y valant un nombre compris entre 0 et 20. Ces compositions comprennent de préférence également un tensioactif et des composés additifs sans phosphates supplémentaires pour détergents.

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