Donald J. Makovec

Integrated olefin processing

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

HF alkylation introducing separate olefins in vertically extended reactor

Temperature control for a reactor

Catalytic alkylation method and apparatus with hydrocarbon recycle

Catalytic alkylation apparatus with hydrocarbon recycle

Acid type hydrocarbon alkylation with acid-soluble oil addition

Dialkyl ether production

Alkylation process utilizing plural olefinic reactants

Method for controlling the temperature differential across a reaction zone in the manufacture of methyl t-butyl-ether.