Surface-active agents having two hydrophobic chains and two hydr

Details Surface-active agents having two hydrophobic chains and two hydr Surface-active agents having two hydrophobic chains and two hydr

1990-12-05

1992-11-03

Clingman, A. Lionel

Compositions

Water-softening or purifying or scale-inhibiting agents

25217422, 252550, 252DIG17, 558 26, 558156, 568616, 568623, 568624, 568679, C11D 1700, C11D 112, C11D 1755, C07C30500

Patent

active

051604507

ABSTRACT:
Novel surface active agents in the form of compounds of formulas (I) and (II) show higher surface activity. ##STR1## R.sup.1 and R.sup.2 are alkyl or alkenyl groups having 6 to 20 carbon atoms, Z is H, SO.sub.3 H, PO(OH).sub.2, CH.sub.2 COOH, (CH.sub.2).sub.2 SO.sub.3 H or a salt thereof, R.sup.3 and R.sup.4 are alkyl or alkenyl groups having 5 to 19 carbon atoms, R.sup.5 and R.sup.6 are alkyl groups having 1 to 4 carbon atoms, and n is a number of from 1 to 20.

REFERENCES:
patent: 4917993 (1990-04-01), Mukunoki et al.

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