C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3.11
C11D 1/10 (2006.01) C11D 1/83 (2006.01) C11D 3/33 (2006.01)
Patent
CA 1056251
ABSTRACT Aqueous cleaning compositions, especially effective in dissolving soap curd, are provided which comprise in aqueous solution an ammonium, alkylamine or hydroxy-alkylamine salt of nitrilotriacetic acid, an alkylene polyamine polycarboxylic acid, or mixtures thereof, and one or more nonionic surfactants, wherein the alkylamine and hydroxy-alkylamine have a chain length of from 1 to 5 carbon atoms, the composition is substantially free of alkali metal ions, and the alkylene polyamine polycarboxylic acid has the formula (HOOCCH2)2N[(CH2)xNCH2COOH]yCH2C wherein x and y may each independently be from 1 to 4.
246710
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