about 6 0 parts by weight of imidazoline quaternary salt and about 0 to about 10 parts by weight of water application_number US 24770281 A description imidazoline quaternary salts useful as stabilizers include 1 hydroxyalkyl 2 hydrocarbyl imidazoline quaternary salts having the formula str2 wherein r is a hydrocarbon radical having 9 to 23 carbon atoms r 2 is hydrogen an unsubstituted or hydroxy substituted aliphatic hydrocarbon radical having 1 to 6 carbon atoms or a benzyl radical a is a number equal to the ionic valence of the anion x compounds of this general formula are known and may be made by quarternarizing e g with a c 1 c 6 hydrocarbon or benzyl halide or sulfate an imidazoline produced by the dehydration cyclization of an amide resulting from the reaction of a c 10 to c 24 aliphatic hydrocarbonoic acid and either 2 hydroxyethyl ethylene diamine or 2 hydroxyisopropyl ethylene diamine as described in u s pat nos 2 268 273 and 3 669 608 in the imidazoline compounds used in this process the c 9 c 23 aliphatic hydrocarbon radical r may be saturated or unsaturated linear branched or cyclic and comprised of a mixture of the c 9 c 23 hydrocarbons illustrative of acids that may be used in producing the compounds and form the hydrocarbon radical thereof are lauric palmitic.