DH

Donald M. Haskell

PP Phillips Petroleum: 7 patents #236 of 1,401Top 20%
Overall (All Time): #769,673 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4613715 Oxygen addition to a steam-active dehydrogenation reactor 1986-09-23
4592830 Hydrovisbreaking process for hydrocarbon containing feed streams Jerald A. Howell, Donald C. Tabler 1986-06-03
4317795 Catalytic alkylation of hydrocarbons Donald J. Makovec 1982-03-02
4301315 Method of producing high octane alkylate gasoline Floyd E. Farha, Jr. 1981-11-17
4229602 Dehydrocyclization process Francis M. Brinkmeyer 1980-10-21
4207423 Acid type hydrocarbon alkylation with acid-soluble oil addition Donald J. Makovec 1980-06-10
4205196 Acid-type hydrocarbon alkylation with acid recycle streams at spaced points of a vertically-disposed elongated reactor Donald J. Makovec 1980-05-27