Donald M. Haskell

Hydrovisbreaking process for hydrocarbon containing feed streams

Purification of ethylene or propylene streams containing carbon monoxide

Acid-type hydrocarbon alkylation with acid recycle streams at spaced points of a vertically-disposed elongated reactor

Continuous slurry process for formation of aromatic polycarboxylic acids

Oxygen addition to a steam-active dehydrogenation reactor

N-Butane/acetone separation using sulfolane

Butadiene production and purification

Acid type hydrocarbon alkylation with acid-soluble oil addition

Method of producing high octane alkylate gasoline

Extractive distillation of C4 hydrocarbons with an extractant mixture