prov:value
| - The preferred alkyl ammonium salts can be represented by the general formula: ##STR4## wherein R1, R2, R3, R4, R5, and R6 are independently a hydrocarbyl group such as alkyl, aryl, alkylaryl, arylalkyl and alkoxylates and provided one or more of R1, R2, R3, R4, R5, and R6 is a hydrocarbon group such as linear and/or branched alkyl, having at least 8 carbon atoms, preferably 10 to 30 carbon atoms,
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