HE

Howard F. Efner

PP Phillips Petroleum: 36 patents #25 of 1,401Top 2%
📍 Bartlesville, OK: #42 of 1,143 inventorsTop 4%
🗺 Oklahoma: #153 of 12,736 inventorsTop 2%
Overall (All Time): #95,151 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
4954654 Process for the preparation of secondary and tertiary amines 1990-09-04
4923643 Antimony mercaptide esters and methods of preparing the same 1990-05-08
4737160 Reaction products of amido-amine and epoxide useful as fuel additives 1988-04-12
4729839 Water soluble lubricating additives Alexander D. Schuettenberg, Merlin R. Lindstrom, Rex L. Bobsein, Benedict R. Bonazza, Melvin D. Herd 1988-03-08
4636487 Process for the preparation of promoted catalysts Stephen L. Parrott, Simon G. Kukes 1987-01-13
4612110 Hydrofining process for hydrocarbon containing feed streams Simon G. Kukes, Thomas Davis, Robert J. Hogan, Daniel Coombs 1986-09-16
4582594 Hydrofining process for hydrocarbon containing feed streams Simon G. Kukes, Robert J. Hogan, Daniel Coombs 1986-04-15
4560468 Hydrofining process for hydrocarbon containing feed streams Simon G. Kukes, Robert J. Hogan, Daniel Coombs, Thomas Davis 1985-12-24
4504280 Fuel additives from SO.sub.2 treated mixtures of amides and esters derived from vegetable oil, tall oil acid, or aralkyl acid Sidney Schiff 1985-03-12
4447246 Diesel fuel Clifford E. Smith, Harold W. Mark, Rector P. Louthan 1984-05-08
4335004 Lubricating compositions containing diesters of dimercapto ethers 1982-06-15