Hydroxypolyethers as low-foam surfactants

Details Hydroxypolyethers as low-foam surfactants Hydroxypolyethers as low-foam surfactants

1991-12-12

1994-03-15

McFarlane, Anthony

Compositions

Water-softening or purifying or scale-inhibiting agents

25217422, 252DIG2, 252DIG6, 568613, 568618, 568623, C11D 172, C11D 3075

Patent

active

052943658

ABSTRACT:
Hydroxypolyethers as low foam surfactants comprising a compound of the general formula ##STR1## wherein R.sup.1, R.sup.2 are the same or different and are a linear or branched C.sub.1 - to C.sub.18 -alkyl radical;
n is a number of from 15 to 45; and
m is a number of from 0 to 3.
These compounds are useful in cleaning compositions and rinse aids, especially in automatic dishwashing machines.

REFERENCES:
patent: 4600523 (1986-07-01), Piorr et al.
patent: 4719044 (1988-01-01), Piorr et al.
patent: 4898621 (1990-02-01), Pruehs et al.
patent: 4898992 (1990-02-01), Stankowiak et al.
patent: 4913833 (1990-04-01), Otten et al.
patent: 4925587 (1990-05-01), Schenker et al.
patent: 4931218 (1990-06-01), Schenker et al.

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