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US 5,294,365 AGranted
Hydroxypolyethers as low-foam surfactants
AssigneeBASF SE
InventorsMichael C. Welch, Jay G. Otten, Glenis R. Schenk
Life of this patent
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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.
Claims10
A compound of the formula ##STR4## 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 1 to 3.
Dependencies are inferred from the claim text.