Pyrite removal from coal

Pyrolysis liquid-in-diesel oil microemulsions

Quaternary ammonium salt derived thiadiazoles as multifunctional

Quaternary ammonium salt detergents for use in fuels

Quaternary ammonium salt of a mannich compound

Quaternary ammonium salts of anionic gums

Quaternary deposit control additives

Quaternary deposit control additives

Quick removal of mercaptans from hydrocarbons

Rapid dissolving polymer compositions and uses therefor

Rare earth compositions for diesel fuel stabilization

Reaction of phenols with intermediate triazines

Reaction product additive and ori-inhibited motor fuel compositi

Reaction product of Beta-mercaptoethanol and coconut oil as dies

Reaction products of alkenyl succinimides with ethylenediamine c

Reaction products of alkenylsuccinic compounds with aromatic ami

Reaction products of amido-amine and epoxide useful as fuel addi

Reaction products of certain heterocycles with aminophenols

Reaction products of formic acid and dialkylenetriamines and fue

Reaction products of polyisobutenes and oxides of nitrogen or mi