Patent ID: 8778034

Claim:
A fuel detergent additive package for use in a fuel to reduce intake valve deposit formation and combustion chamber deposit formation comprising a biodegradable carrier oil derived from at least one plant source which undergoes at least hydrogenation such that the biodegradable carrier oil has a noack volatility of less than or equal to about 50 wt. %, a pour point of less than or equal to about 0° C., a viscosity index of greater than or equal to about 85, a sulfur concentration of less than or equal to about 50 ppm, and a Penn State Microoxidation deposit weight of less than 5%, a detergent comprising at least one member selected from the group consisting of (i) fuel-soluble salts, amides, imides, oxazolines and esters, or mixtures thereof of long chain aliphatic hydrocarbon-substituted dicarboxylic acids or their anhydrides; (ii) polyetheramines; (iii) long chain aliphatic hydrocarbons having an amine or a polyamine attached directly thereto; and (iv) Mannich condensation products formed by condensing a long chain aliphatic hydrocarbon-substituted phenol or cresol with an aldehyde, and an amine; and wherein the plant source comprises at least one plant source selected from the group consisting of corn grain, palm, canola, jatropha, soy bean oil, castor oil, rape seed, jojoba, and mixtures thereof.