Hydrogen energy releasing catalyst
Hydrogenation and etherification of an unsaturated C.sub.5 hydro
Hydrophobic polyelectrolyte coagulants for concentrating coal ta
Hydrotreating and catalytic dewaxing process for making...
Hydroxyalkyl hydroxy-aromatic condensation products as fuel and
Hydroxyimidazolines and polyamine fuel additive compositions
Hydroxyl-containing copolymers, and their use for the...
Hypergolic fuel formulation: diethylethanolamine, triethylamine,