RD

Ralph M. Dessau

EX ExxonMobil: 80 patents #45 of 10,161Top 1%
AT Arco Chemical Technology: 3 patents #94 of 285Top 35%
LT Lyondell Chemical Technology: 2 patents #62 of 123Top 55%
Overall (All Time): #19,768 of 4,157,543Top 1%
86
Patents All Time

Issued Patents All Time

Showing 25 most recent of 86 patents

Patent #TitleCo-InventorsDate
7399726 Process for direct oxidation of propylene to propylene oxide and large particle size titanium silicalite catalysts for use therein Bernard Cooker, Wilson H. Onimus, Jennifer D. Jewson 2008-07-15
6984606 Epoxidation catalyst 2006-01-10
6960671 Process for direct oxidation of propylene to propylene oxide and large particle size titanium silicalite catalysts for use therein Bernard Cooker, Wilson H. Onimus, Jennifer D. Jewson 2005-11-01
6008388 Epoxidation process Andrew P. Kahn, Roger A. Grey, C. Andrew Jones, Jennifer D. Jewson 1999-12-28
6005123 Epoxidation process Andrew P. Kahn, Roger A. Grey 1999-12-21
5939597 Fluid bed process for para-xylene production David H. Olson, Robert A. Ware, Sadi Mizrahi 1999-08-17
5675047 Method of preparation of ex situ selectivated zeolite catalysts for aromatic alkylation applications Jeffrey S. Beck, David H. Olson 1997-10-07
5574199 Para-selective aromatization process with ex situ selectivated zeolite catalyst Jeffrey S. Beck 1996-11-12
5488194 Selective production of para-dialkyl substituted benzenes and catalyst therefor Jeffrey S. Beck 1996-01-30
5362695 Inorganic molecular sieves encapsulating chelates Jeffrey S. Beck, John B. Higgins 1994-11-08
5350504 Shape selective hydrogenation of aromatics over modified non-acidic platinum/ZSM-5 catalysts 1994-09-27
5316661 Processes for converting feedstock organic compounds Robert K. Grasselli, Rudolph M. Lago, John G. Tsikoyiannis 1994-05-31
5304694 Isobutene and isoamylene production Quang N. Le 1994-04-19
5292980 Base-catalyzed reactions using zeolite catalysts 1994-03-08
5292976 Process for the selective conversion of naphtha to aromatics and olefins Mohsen N. Harandi 1994-03-08
5284986 Upgrading of normal pentane to cyclopentene 1994-02-08
5284984 Gasoline upgrading by aromatics amination Quang N. Le, Samuel A. Tabak, Robert T. Thomson 1994-02-08
5283385 Upgrading of normal pentane to cyclopentane 1994-02-01
5254787 Dehydrogenation and dehydrocyclization using a non-acidic NU-87 catalyst 1993-10-19
5200375 Hydrogen regeneration of monofunctional dehydrogenation and aromatization catalysts 1993-04-06
5192728 Tin-colating microporous crystalline materials and their use as dehydrogenation, dehydrocyclization reforming catalysts Ernest W. Valyocsik, James C. Vartuli 1993-03-09
5147837 Titania containing dehydrogenation catalysts Ying-Yen P. Tsao 1992-09-15
5124497 Production of mono-substituted alkylaromatics from C.sub.8 +N-paraffins Ernest W. Valyocsik, Randall D. Partridge 1992-06-23
5122489 Non-acidic dehydrogenation catalyst of enhanced stability 1992-06-16
5108969 Low acidity catalyst for conversion of paraffins to olefins and/or aromatics Kenneth J. Del Rossi, Albin Huss, Jr., Garry W. Kirker, David O. Marler, Randall D. Partridge 1992-04-28