DM

Donald J. Makovec

PP Phillips Petroleum: 9 patents #181 of 1,401Top 15%
📍 Bartlesville, OK: #235 of 1,143 inventorsTop 25%
🗺 Oklahoma: #1,188 of 12,736 inventorsTop 10%
Overall (All Time): #591,995 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5237115 Integrated olefin processing Robert O. Dunn, Martyn E. Pfile, Gary R. Patton, Larry E. Lew 1993-08-17
4383977 Catalytic alkylation apparatus with hydrocarbon recycle Thomas Hutson, Jr., Alden E. Beckworth 1983-05-17
4320233 Dialkyl ether production Paul D. Hann 1982-03-16
4317795 Catalytic alkylation of hydrocarbons Donald M. Haskell 1982-03-02
4290110 Temperature control for a reactor 1981-09-15
4276439 Catalytic alkylation method and apparatus with hydrocarbon recycle Thomas Hutson, Jr., Alden E. Beckworth 1981-06-30
4214115 Alkylation process utilizing plural olefinic reactants Thomas Hutson, Jr. 1980-07-22
4207423 Acid type hydrocarbon alkylation with acid-soluble oil addition Donald M. Haskell 1980-06-10
4205196 Acid-type hydrocarbon alkylation with acid recycle streams at spaced points of a vertically-disposed elongated reactor Donald M. Haskell 1980-05-27