Diaminoalkyl di(sulphosuccinates) and detergent compositions...

Details Diaminoalkyl di(sulphosuccinates) and detergent compositions... Diaminoalkyl di(sulphosuccinates) and detergent compositions...

C - Chemistry, Metallurgy

07

C

C07C 309/18 (2006.01) C07C 303/32 (2006.01) C11D 3/34 (2006.01)

Patent

CA 2208323

Diaminoalkyl di(sulphosuccinate) (DDSS) compounds of formula (I) wherein M is an alkali metal or an alkaline earth metal or a mixture; and R1 is CH2 or CHOH and is optionally present, and when R1 is present R2 is hydrogen, and when R1 is absent R2 is methyl or hydrogen, are novel materials which are highly effective chelants of di- and polyvalent metal ions and are useful as builders in detergent compositions.

L'invention concerne des composés de diaminoalkyle di(sulfosuccinate) (DDSS) de formule (I) dans laquelle M est un métal alcalin ou un métal alcalino-terreux ou bien un mélange; et R¿1? est CH¿2? ou bien CHOH est éventuellement présent, et lorsque R¿1? est présent, R¿2? est hydrogène, et lorsque R¿1? est absent, R¿2? est méthyle ou hydrogène. Ces composés sont de nouveaux matériaux qui sont des chélateurs extrêmement efficaces des ions métal di- et polyvalents et sont utiles comme adjuvants dans des compositions détergentes.

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