Patent ID: 6517617
Filing Date: 2003-02-11
Classification: C11D,C23F,Y10S,Y10T

Abstract:
Foams comprising:90-95 vol. % air; 1.3 to 1.5 vol. % water; 3.5 to 8.7 vol. % of a composition adherent to ferrous surface on contact containing; about 18 to about 20 wt. % Benzylcoco alkyldimethyl quaternary amine C8-C18; about 18 to about 20 wt. % Imidazole, imidazoline derivatives, quaternary amine (C8-C18) Cl salt blend; about 14 to about 15 wt % Quaternized alkyl pyridine; about 18 to about 20 wt % Isotridecyloxpropyldihydroxyethylmethyl ammonium chloride; about 8 to about 12 wt % Sodium Bicarbonate; about 0.5 to about 1 wt % Ammonium Chloride electrolyte; about 1 to about 5 wt % Sodium NTA; about 1 to about 3 wt % Phosphate Esters; about 0.5 to about 1 wt % Sodium Dodecylbenzenesulfonate; and about 2 to about 3 wt % Tetrakis (Hydroxymethyl) Phosphonium Sulfate.