METHOD OF INCREASING ANTIKNOCK VALUES OF ENGINE FUEL FOR STRAIGHT-RUN PETROL CARBURATOR AND INJECTION ENGINES Russian patent published in 2013 - IPC C10L1/30 C10L1/10 C10L1/18 C10L10/10 

FIELD: chemistry.

SUBSTANCE: straight-run petrol is mixed with a component which contains one or more substances selected from a group of acetyl acetonates of 3d metals of general formula M(C₅H₇O₂)_n, where n=2-3, in amount of 10-12 wt %, and oxygenates in form of a mixture of C₂-C₈ aliphatic alcohols which make up the balance.

EFFECT: use of said additive increases the octane number of lead-free base engine fuel, chemical resistance and low toxicity of the used components, and also facilitates domestic industrial production of components of domestic petrol brands.

1 cl, 1 ex, 1 tbl