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William C Behrmann, Kym B Arcuri, Charles H Mauldin: Surface supported cobalt catalysts, process utilizing these catalysts for the preparation of hydrocarbons from synthesis gas and process for the preparation of said catalysts. Exxon Research and Engineering Company, Jay Simon, Estelle C Bakun, August 13, 1996: US05545674 (68 worldwide citation)

A supported particulate cobalt catalyst is formed by dispersing cobalt, alone or with a metal promoter, particularly rhenium, as a thin catalytically active film upon a particulate support, especially a silica or titania support. This catalyst can be used to convert an admixture of carbon monoxide a ...


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Wenyih Frank Lai, Harry William Deckman, James Alexander McHenry, Johannes Petrus Verduijn: Supported zeolite membranes with controlled crystal width and preferred orientation grown on a growth enhancing layer. Exxon Research and Engineering Company, Estelle C Bakun, February 16, 1999: US05871650 (47 worldwide citation)

The present invention is directed toward a new zeolite membrane which exhibits a columnar cross-sectional morphology and preferred crystallographic orientation comprising a porous substrate having coated thereon a mesoporous growth enhancing layer and a layer of columnar zeolite crystals on said mes ...


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Glen Brons, Ronald D Myers: Continuous in-situ process for upgrading heavy oil using aqueous base. Exxon Research and Engineering Company, Estelle C Bakun, Linda M Scuorzo, June 3, 1997: US05635056 (37 worldwide citation)

The present invention relates to a continuous in-situ process for the removal from heavy oils, of organically bound sulfur in the form of mercaptans, sulfides and thiophenes, heteroatoms selected from the group consisting of nitrogen and oxygen and metals selected from the group consisting of nickel ...


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Wenyih Frank Lai: In-situ crystallized zeolite containing composition (LAI-ISC). Exxon Research and Engineering Company, Estelle C Bakun, Gerard J Hughes, April 20, 1999: US05895769 (36 worldwide citation)

Applicant has discovered a new zeolite containing composition and a process for preparing the same. The composition is unique in that the zeolite crystals making up one layer of the composition pack in a manner such that the composition is essentially continuous with no large scale voids even when t ...


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Haven Scott Aldrich, Robert Jay Wittenbrink: Lubricant base oil having improved oxidative stability. Exxon Research and Engineering Company, Estelle C Bakun, December 28, 1999: US06008164 (34 worldwide citation)

The instant invention is directed to a method for producing a lubricating base stock having a preselected oxidative stability comprising the steps of: (a) separating, into a plurality of fractions based on molecular shape, a hydroisomerized hydrocarbon wax, (b) collecting the fractions of step (a) w ...


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Harry William Deckman, Edward William Corcoran Jr, James Alexander McHenry, Wenyih Frank Lai, Lothar Ruediger Czarnetzki, William Edward Wales: Zeolite membrane with a selectivity enhancing coating. Exxon Research & Engineering Company, Estelle C Bakun, Joseph J Dvorak, February 10, 1998: US05716527 (33 worldwide citation)

Membranes useful in separating moleculres or catalytic conversions comprise a substrate, a zeolite or zeolite-like layer, a selectivity enhancing coating in contact with the zeolite layer and optionally a permeable intermediate layer in contact with the substrate the zeolite layer being in contact e ...


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Ramesh Varadaraj, David William Savage, William Edward Wales: Removal of naphthenic acids in crude oils and distillates. Exxon Research and Engineering Co, Estelle C Bakun, October 5, 1999: US05961821 (30 worldwide citation)

The instant invention is directed to a process for extracting organic acids including naphthenic acids, heavy metals, and sulfur from a starting crude oil comprising the steps of:


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Chang J Kim: Water addition for increased CO/H.sub.2 hydrocarbon synthesis activity over catalysts comprising cobalt, ruthenium and mixtures thereof which may include a promoter metal. Exxon Research and Engineering Company, Jay Simon, Estelle C Bakun, July 13, 1993: US05227407 (29 worldwide citation)

The addition of water into a Fischer-Tropsch hydrocarbon synthesis reaction zone employing passing a CO and H.sub.2 feed mixture over a catalyst comprising cobalt, ruthenium and mixtures thereof preferably on a titania support and which may include a promoter metal, that results in 90% CO conversion ...


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Long Y Chiang, Ravindra B Upasani, John W Swirczewski: Process of forming polysubstituted fullerenes. Exxon Research and Engineering Company, Estelle C Bakun, January 5, 1993: US05177248 (28 worldwide citation)

The present invention is directed toward the preparation of novel polysubstituted fullerenes. The method of forming polysubstituted fullerenes comprises contacting a fullerene with an electrophilic reagent selected from the group consisting of nitronium ion and organic peracid, provided that when th ...



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