41
Stuart L Soled, Gary B McVicker, Sabato Miseo, William E Gates: Zirconium hydroxide supported metal and heteropolyacid catalysts. Exxon Research and Engineering Company, Estelle C Bakun, February 6, 1996: US05489733 (11 worldwide citation)

The present invention is directed to novel catalyst compositions, their preparation, and their use in a selective paraffin isomerization process. The solid acid catalyst compositions comprise a zirconium hydroxide support, a Group VIII metal, and a heteropolyacid selected from the group consisting o ...


42
Michel Daage, Teh C Ho, Kenneth L Riley: Stacked bed catalyst system for deep hydrodesulfurization. Exxon Research and Engineering Company, Estelle C Bakun, December 12, 1995: US05474670 (11 worldwide citation)

The present invention relates to a method of removing sulfur from a hydrotreating process stream comprising contacting a sulfur containing feedstock with a stacked bed catalyst system comprising a first catalyst bed comprising hydrodesulfurization catalysts followed by a second catalyst bed comprisi ...


43
James D Mumford III, Vinod K Pareek: Method for joining bi-metallic tubulars and a bi-metallic tubular weld configuration. Exxon Research & Engineering Company, Estelle C Bakun, November 30, 1993: US05265790 (11 worldwide citation)

A method for joining bimetallic tubulars and a bimetallic tubular weld configuration which ensures both a continuous corrosion resistant inner lining across the joint as well as the required mechanical strength.


44
Alla Jurievna Krylova, Albert L&apos Vovich Lapidus, Lilia Vadimovna Sineva, Michel A Daage, Russell John Koveal: Fischer-Tropsch catalyst enhancement. ExxonMobil Research and Engineering Company, Estelle C Bakun, March 16, 2004: US06706661 (11 worldwide citation)

A process of enhancing both the activity and the methane selectivity of a Dispersed Active Metal (“DAM”) hydrogenation catalyst is disclosed wherein the DAM undergoes low temperature oxidation in a slurry phase to form a stable, unique oxidized catalyst precursor that is subsequently reduced to form ...


45
Ramesh Varadaraj: Removal of acids from oils. ExxonMobil Research and Engineering Company, Estelle C Bakun, September 24, 2002: US06454936 (11 worldwide citation)

The instant invention is directed to a process for decreasing the amount of acids contained in oils by forming a water-in-oil emulsion and utilizing solids.


46
Teh Chung Ho, Shun Chong Fung, Gordon Frederick Stuntz, Robert Charles Welch, Daniel Paul Leta: Fluid catalytic cracking process for converting hydrocarbon mixtures. Exxon Research and Engineering Co, Estelle C Bakun, September 26, 2000: US06123832 (10 worldwide citation)

The invention relates to Fluid Catalytic Cracking (FCC) for producing liquid fuels and light olefins from liquid hydrocarbon mixtures such as petroleum fractions.


47
Jack W Johnson, John F Brody: Zirconia-pillared clays and micas. Exxon Research and Engineering Company, Estelle C Bakun, September 28, 1993: US05248644 (10 worldwide citation)

The present invention is directed to improved zirconia-pillared clays exhibiting high crystallinity and layer spacing and significantly higher thermal stability prepared using zirconyl acetate as the pillaring agent by: (a) mixing a clay selected from the group consisting of smectite clays and fluor ...


48
Kaul Krishan Bal: Adsorption process for producing ultra low hydrocarbon streams. ExxonMobil Research and Engineering Company, Estelle C Bakun, Linda M Scuorzo, Gerald J Hughes, November 19, 2002: US06482316 (10 worldwide citation)

The instant invention is directed to a method for reducing the amount of sulfur in hydrocarbon streams comprising the steps of:


49
Robert Jay Wittenbrink, Richard Frank Bauman, Paul Joseph Berlowitz, Bruce Randall Cook: Synthetic diesel fuel and process for its production (law3 1 1). ExxonMobil Research and Engineering Company, Charles J Brumlik, Estelle C Bakun, August 19, 2003: US06607568 (9 worldwide citation)

Diesel fuels or blending stocks having excellent lubricity, oxidative stability and high cetane number are produced from non-shifting Fischer-Tropsch processes by separating the Fischer-Tropsch product into a lighter and heavier fractions, e.g., at about 700° F., subjecting the 700° F.+ fractio ...


50
Glen Brons, Ronald D Myers: Process for the regeneration of sodium hydroxide from sodium sulfide. Exxon Research and Engineering Company, Estelle C Bakun, April 16, 1996: US05508018 (9 worldwide citation)

The present invention is directed toward a process for regenerating sodium hydroxide (NaOH) from aqueous solutions of sodium sulfide (Na.sub.2 S) comprising heating aqueous sodium sulfide in the presence of a metal selected from the group consisting of iron and cobalt, for a time and at a temperatur ...