Compositions – Fluent dielectric – N-containing
Patent
1991-11-07
1992-11-17
Garvin, Patrick P.
Compositions
Fluent dielectric
N-containing
252544, 252547, 252548, 252DIG5, 252DIG13, 252DIG14, C11D 118
Patent
active
051641208
ABSTRACT:
Surfactant mixtures which have foamability performance and/or cost advantages over the individual components consist of 5-85% by weight of an amine oxide corresponding to the formula RR'R"NO in which R is a primary alkyl group containing 6-24 carbons and R' and R" are independently selected from methyl, ethyl, and 2-hydroxyethyl and 95-15% by weight of an alkylamidopropyldimethylbetaine in which the alkyl group contains 8-18 carbons. Preferred mixtures are those in which the amine oxide is N-tetradecyldimethylamine oxide and the betaine is cocoamidopropyldimethylbetaine.
REFERENCES:
patent: 4555360 (1985-11-01), Bissett et al.
patent: 4588522 (1986-05-01), Blaschke et al.
Borland James E.
Crutcher Terry
Perine Jeffrey W.
Sauer Joe D.
Smith Kim R.
Ethyl Corporation
Garvin Patrick P.
Hogan Patricia J.
Irzinski E. D.
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