DW

Darrell W. Walker

PP Phillips Petroleum: 14 patents #111 of 1,401Top 8%
S( Sun Company, Inc. (R&M): 7 patents #7 of 33Top 25%
SM Sun Refining And Marketing: 2 patents #13 of 30Top 45%
Overall (All Time): #186,913 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5733518 Process and catalyst for dehydrogenation of organic compounds Vincent A. Durante, Daniel E. Resasco, Gary L. Haller, Eugene L. Coggins 1998-03-31
5439859 Process and catalyst for dehydrogenation of organic compounds Vincent A. Durante, Daniel E. Resasco, Gary L. Haller, Eugene L. Coggins 1995-08-08
5414157 Catalytic oxidation of alkanes Vincent A. Durante, Steven M. Gussow, James E. Lyons, Robert Chastain Hayes 1995-05-09
5386074 Catalytic dehydrogenation of alkanes Vincent A. Durante, James E. Lyons 1995-01-31
5345011 New manganese catalyst for light alkane oxidation Vincent A. Durante, James E. Lyons, Bonita K. Marcus 1994-09-06
5345010 Chromia on metal oxide for the oxidation of alkane to alcohol James E. Lyons, Vincent A. Durante 1994-09-06
5220080 Chromia on metal oxide catalysts for the oxidation of methane to methanol James E. Lyons, Vincent A. Durante 1993-06-15
5132472 Catalytic oxidation of alkanes Vincent A. Durante, Steven M. Gussow, James E. Lyons, Robert Chastain Hayes 1992-07-21
4918249 Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes Vincent A. Durante, Steven M. Gussow, James E. Lyons 1990-04-17
4873211 Cracking catalyst and process A. M. Schaffer 1989-10-10
4846960 Catalytic cracking Fu-Ming Lee 1989-07-11
4793914 Passivation of metal contaminated cracking catalysts Brent J. Bertus 1988-12-27
4794095 Catalytic cracking catalyst Fu-Ming Lee 1988-12-27
4765884 Cracking catalyst and process Arnold M. Schaffer 1988-08-23
4727053 Passivation of metal contaminated cracking catalysts Brent J. Bertus 1988-02-23
4484015 Selective hydrogenation Marvin M. Johnson, Gerhard P. Nowack 1984-11-20
4404124 Selective hydrogenation catalyst Marvin M. Johnson, Gerhard P. Nowack 1983-09-13
4370310 Zinc aluminate prepared using an alumina hydrate 1983-01-25
4263133 Catalytic reforming and hydrocracking of organic compounds employing zinc titanate as the catalytic agent Lewis E. Drehman, Floyd E. Farha, Jr. 1981-04-21
4252680 Oxidative dehydrogenation catalyst preparation Floyd E. Farha, Jr. 1981-02-24
4228040 Lithium- or magnesium-promoted zinc titanate catalyst for dehydrogenation of hydrocarbons Brent J. Bertus 1980-10-14
4218343 Dehydrogenation of organic compounds Robert J. Hogan, Floyd E. Farha, Jr. 1980-08-19
4218346 Zinc titanate catalyst for dehydrogenation of hydrocarbons Floyd E. Farha, Jr. 1980-08-19