Substituted aminoalkylpropanediol and motor fuel composition con
Substituted dihydro oxazines as hydrocarbon antioxidants
Substituted tetrahydropyrimidines
Sulfur getter efficiency
Sulfur removal from coal
Sulfur removal from coal
Sulfurized Mannich condensation products and fuel compositions c
Sulfurized olefin - glycerol monooleate adducts and lubricant co
Suppressing the octane requirement increase of an automobile eng
Surface active agent for emulsion fuel
Suspension of coal in fuel oils
Synergistic additive in petroleum middle distillate fuel
Synergistic cetane improver
Synergistic fuel compositions
Synergistic low temperature flow improver in distillate fuel
Synergistic organic solvent gellant
Synthetic caking coal and method for production thereof
Synthetic coal log
Synthetic fire log and method for making same
Synthetic firelog