abstract |
Combinations of (A) polymers of C3-C4 olefins having a molecular weight in the range of about 400 to about 1400; and (B) polyoxyalkylene compounds of the formula wherein R is an alkyl group of 1 to 20 carbon atoms and wherein x has an average value of 4 to 20; are effective as anti-icing additives, as carburetor detergents and in some instances as intake valve deposit modifiers. |