Washing agent compositions including aluminosilicates and...

Details Washing agent compositions including aluminosilicates and... Washing agent compositions including aluminosilicates and...

C - Chemistry, Metallurgy

11

D

8/113, 134/18, 1

C11D 1/02 (2006.01) C11D 1/66 (2006.01) C11D 3/00 (2006.01) C11D 3/02 (2006.01) C11D 3/12 (2006.01) C11D 3/33 (2006.01)

Patent

CA 1058046

ABSTRACT OF THE DISCLOSURE A method of treating soiled textiles, wherein the soiled textiles are immersed in an aqueous liquor which con- tains compounds inhibiting alkaline earth metal ion precipita- tion on said soiled textiles comprising using (1) at least one finely-dispersed, water-insoluble silicate compound having a calcium-binding power of at least 50 mg CaO/gm of anhydrous active substance and having the formula, combined water not shown (M2/nO)x Me203 (SiO2)y where M is a cation of the valence n, exchangeable with calcium, x is a number of from 0.7 to 1.5, Me is aluminum or boron, and y is a number from 0.8 to 6, and (2) a combination of A) a water-soluble salt exchangeable with calcium of nitrilotriacetic acid B) a calcium binding phosphate, and/or C) an alkali metal carbonate or silicate, as said compounds inhibiting alkaline earth metal precipitation, as well as washing composi- tions containing said at least two compounds. - A -

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