Sabic Global Technologies B.v.

Saudi Arabian Oil Company

Kamalakar Gunda

Guillermo Canelon Leal

Somak Paul

Kareemuddin Mahaboob Shaik

Mohammed Bismillah Ansari

Vinodkumar Vasudevan

Hassan Babiker

An unleaded gasoline composition comprises, based on the total volume of the unleaded gasoline composition, 50 to 96 vol. % of an unleaded gasoline; 2 to 20 vol. % of a mixed butanol; and 2 to 30 vol. % of a distillate oil fraction comprising a paraffin, an olefin, a naphthene, and an aromatic at an initial boiling point cut of 180&#xb0; C., wherein the unleaded gasoline, the mixed butanol, and the distillate oil fraction are selected to provide the unleaded gasoline composition with a Research Octane Number of 90 to 101, determined in accordance with ASTM D 2699; and a Motor Octane Number of 81.4 to 90, determined in accordance with ASTM D 2700.

Lead-free gasoline blend

An octane-enhancing additive includes a mixed butanol composition, sec-butyl ether, methanol, methyl tert-butyl ether, and a C4-dimer, the mixed butanol composition comprising sec-butanol and tert-butanol, and the C4-dimer comprising di-isobutylene, 2,2,4 trimethylpentane, 2,3,3 trimethylpentane, or a combination comprising at least one of the foregoing.

Alcohol and ether fuel additives for lead-free gasoline

Growing community of inventors

Riyadh, Saudi Arabia

Kamalakar Gunda