Back to results
US 5,211,882 AGranted
Detergent compositions containing an N-alkylamino sulfonic acid type surfactant and nonionic surfactant
AssigneeKao Corporation
InventorsShuji Tagata, Fumio Sai
Life of this patent
Estimating the term…
Abstract
A detergent composition which has an excellent detergency against muddy dirt of clothing which comprises (a) nonionic surfactant and (b) N-alkylamino sulfonate with weight ratio of (a) to (b) in the range of 1/10 to 10/1.
Claims4
A detergent composition which consists essentially of (a) and (b), and weight ratio of (a) to (b) is in the range of 1/10 to 10/1,
- (a) nonionic surfactant in 1-90% by weight of the detergent composition
- (b) at least 4% by weight of the detergent composition of an N-alkylamino sulfonic acid type surfactant having the formula (I) ##STR6## wherein R.sub.1 is C.sub.6 -C.sub.18 alkyl, alkenyl or hydroxyalkyl, R.sub.2 is hydrogen, C.sub.1 -C.sub.18 alkyl, alkenyl, hydroxyalkyl or --(CH.sub.2 CH.sub.2 O).sub.2 --H group (n is an integer of from 1 to 10), and M is alkali metal or alkaline earth metal.
Dependencies are inferred from the claim text.