prov:value
| - Another suitable class of additives is that of bisquarternary salts of the general formula wherein each R1, independently of the other, is an alkyl group with from about 12 to about 24 carbon atoms, such as ???C12H25, ???C14H29, ???C16H33, ???C18H37, or the like, with mixtures of materials having different numbers of carbon atoms being common, each R2, independently of the others, is ???CH3 or ???
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