| abstract |
(A) may be present as a free carboxylic acid and / or an ammonium salt for increasing the cetane number of a fuel oil containing at least one additive having a detergent effect and at least one cetane improver A saturated or unsaturated aliphatic monocarboxylic acid having 12 to 24 carbon atoms, which may be present in the form of amides, esters and / or nitriles, or their dimerization or trimerization products; (B) Use of a mixture comprising a polycyclic hydrocarbon compound obtained from a distillation residue of natural oil extracted from a wood resin, in which case the mixture comprising components (A) and (B) Said use, used at a concentration of 10 to 500 ppm by weight relative to the total amount of fuel oil. |