C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/66 (2006.01) C11D 3/04 (2006.01) C11D 3/22 (2006.01) C11D 3/37 (2006.01) C11D 3/39 (2006.01)
Patent
CA 2176894
A detergent base which is obtainable from the reaction of an ethylenically unsaturated sulfonic acid or carboxylic acid or anhydride thereof with a nonionic surfactant of the formula (1) R1-O-(alkylene-O)n1-R2 in which R1 is C8-C22alkyl or C8-C18alkenyl; R2 is hydrogen, C1-C4alkyl, a cycloaliphatic radical having at least 6 C atoms or benzyl; and n1 is a number from 1 to 60; and if appropriate with sugar derivatives. The detergent base has a good calcium-dispersing power, is very stable to electrolytes and heat and has an excellent washing action and anti-redeposition properties. It is therefore suitable for the preparation of powder and liquid detergents.
Bachmann Frank
Eckhardt Claude
Kuratli Rolf
Schreiber Werner
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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