Quaternary ammonium amide and/or ester salts
Quaternary ammonium demulsifiers
Quaternary ammonium hydroxides as mercaptan scavengers
Quaternary ammonium salt detergents for use in fuels
Quaternary ammonium salt of a mannich compound
Quaternary salts for use as surfactants in dispersions
Quench chamber assembly for a gasifier
Quench process
Quench ring and dip tube assembly
Quench ring and dip tube assembly for a reactor vessel
Quench ring and dip tube combination with improvement
Quenching dewaxing reactor with heavy dewaxate recycle
Quenching hydrocarbon effluent from catalytic reactor to...
Quick removal of mercaptans from hydrocarbons