Patents Represented by Attorney Pamela J. McCollough
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Patent number: 5043520Abstract: This invention relates to a process for the concurrent isomerization and disproportionation of hydrocarbon olefins by contacting said hydrocarbon at disporportionation conditions with a catalyst comprising a physical mixture of a disproportionation catalyst comprising a heavy metal selected from the group consisting of molybdenum, tungsten, rhenium and mixtures thereof, deposited on an inorganic oxide support and a double bond isomerization catalyst comprising an acidic zeolite capable of effecting double bond isomerization.Type: GrantFiled: December 21, 1989Date of Patent: August 27, 1991Assignee: Shell Oil CompanyInventor: David M. Hamilton, Jr.
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Patent number: 5043516Abstract: The present invention provides a process for the ethylation of detergent-range olefins to produce higher molecular weight olefins which comprises reacting ethylene with a detergent-range olefin in the presence of a catalyst comprising an alumina having a sodium content per unit surface area of less than about 3.times.10.sup.-5 g/m.sup.2.Type: GrantFiled: November 26, 1990Date of Patent: August 27, 1991Assignee: Shell Oil CompanyInventor: Lynn H. Slaugh
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Patent number: 5026923Abstract: Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal alkylene oxides with an active hydrogen containing reactant comprising one or more compounds having active hydrogen atoms in the presence of a catalytically effective amount of one or more of the borate salts of the rare earth elements. The product alkoxylates are known to be useful, for instance, as nonionic surfactants, wetting and emulsifying agents, solvents, and chemical intermediates.Type: GrantFiled: May 29, 1990Date of Patent: June 25, 1991Assignee: Shell Oil CompanyInventor: Richard A. Kemp
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Patent number: 5023224Abstract: Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal alkylene oxides with an active hydrogen containing reactant comprising one or more compounds having active hydrogen atoms in the presence of a catalytically effective amount of one or more lanthanum compounds comprising silicate, metasilicate and mixtures thereof. The product alkoxylates are known to be useful, for instance, as nonionic surfactants, wetting and emulsifying agents, solvents, and chemical intermediates.Type: GrantFiled: April 16, 1990Date of Patent: June 11, 1991Assignee: Shell Oil CompanyInventor: Richard A. Kemp
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Patent number: 5001101Abstract: The present invention relates to a process for increasing the desulfurization activity of a catalyst prepared by incorporating an element selected from the group consisting of nickel, cobalt and mixtures thereof, and a heavy metal selected from the group consisting of molybdenum, tungsten and mixtures thereof, into an alumina hydrogel, wherein said catalyst is sulfided with the gaseous sulfur compound at a temperature of at least about 900.degree. F. for at least one hour.Type: GrantFiled: April 28, 1988Date of Patent: March 19, 1991Assignee: Shell Oil CompanyInventor: Richard A. Kemp
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Patent number: 4996386Abstract: This invention relates to a process for the concurrent isomerization and disproportionation of hydrocarbon olefins by contacting said hydrocarbon at disproportionation conditions with a catalyst prepared by incorporating a ferrierite compound and a metals solution containing cobalt and an element selected from the group consisting of molybdenum and tungsten into an alumina hydrogel.Type: GrantFiled: December 21, 1989Date of Patent: February 26, 1991Assignee: Shell Oil CompanyInventors: David M. Hamilton, Jr., Richard A. Kemp
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Patent number: 4962263Abstract: This invention relates to a process for disproportionation of hydrocarbon olefins by contacting said hydrocarbon at disproportionation conditions with a catalyst prepared by incorporating a metals solution containing cobalt, an element selected from the group consisting of molybdenum, tungsten and mixtures thereof, and a phosphorus-containing compound, into an alumina hydrogel.Type: GrantFiled: May 20, 1988Date of Patent: October 9, 1990Assignee: Shell Oil CompanyInventors: David M. Hamilton, Jr., Richard A. Kemp
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Patent number: 4960508Abstract: A process for the removal of basic heterocyclic nitrogen compounds from petroleum oils which comprises:(a) contacting said petroleum oils containing basic heterocyclic nitrogen compounds with an aqueous solution of a first solvent comprising concentrated acid at extraction conditions in a first extract zone,(b) separating the product of step (a) into a raffinate product stream comprising hydrocarbons having a lean content of basic heterocyclic nitrogen compounds and residual acid levels, and a first extract phase comprising hydrocarbons, water and acid having a substantial content of basic heterocyclic nitrogen compounds,(c) flashing said first extract phase to remove bulk first solvent.Type: GrantFiled: January 30, 1989Date of Patent: October 2, 1990Assignee: Shell Oil CompanyInventor: Wayne E. Evans
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Patent number: 4960952Abstract: Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal alkylene oxides with an active hydrogen containing reactant comprising one or more compounds having active hydrogen atoms in the presence of a catalytically effective amount of one or more lanthanum compounds comprising silicate, metasilicate and mixtures thereof. The product alkoxylates are known to be useful, for instance, as nonionic surfactants, wetting and emulsifying agents, solvents, and chemical intermediates.Type: GrantFiled: August 31, 1989Date of Patent: October 2, 1990Assignee: Shell Oil CompanyInventor: Richard A. Kemp
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Patent number: 4960507Abstract: A process for the removal of basic heterocyclic nitrogen compounds from petroleum oils which comprises:(a) contacting said petroleum oils containing basic heterocyclic nitrogen compounds with an aqueous solution of an acidic solvent at extraction conditions in a first contacting zone,(b) separating the product of step (a) into a raffinate product stream comprising hydrocarbons having a lean content of basic heterocyclic nitrogen compounds and residual acid levels, and a first extract phase comprising hydrocarbons, water and acid having a substantial content of basic heterocyclic nitrogen compounds,(c) contacting said first extract phase with a hydrocarbon solvent which is substantially immiscible with said first extract phase at extraction conditions in a second contacting zone, and(e) separating the product of step (c) into a hydrocarbon recovery stream comprising the immiscible hydrocarbon solvent and oil-derived hydrocarbons having a lean content of basic heterocyclic nitrogen compounds and a second extracType: GrantFiled: October 6, 1989Date of Patent: October 2, 1990Assignee: Shell Oil CompanyInventors: Wayne E. Evans, George C. Blytas
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Patent number: 4956516Abstract: This invention relates to a process for disproportionation of hydrocarbon olefins by contacting said hydrocarbon at disproportionation conditions with a catalyst prepared by incorporating a metals solution containing cobalt and an element selected from the group consisting of molybdenum, tungsten and mixtures thereof, and a phosphorus-containing compound into an alumina hydrogel. The final calcined catalysts have surface areas greater than about 225 m.sup.2 /g and more than about 50% of their pore volume in pores having diameters less than about 70 .ANG..Type: GrantFiled: May 20, 1988Date of Patent: September 11, 1990Assignee: Shell Oil CompanyInventors: David M. Hamilton, Jr., Richard A. Kemp
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Patent number: 4933047Abstract: The invention therefore relates to a chimney tray hat apparatus for de-entraining droplets of liquid entrained in a stream containing vapor and liquid droplets flowing upwardly through a tray chimney in a vapor/liquid processing device, the chimney tray hat apparatus comprising a top cover or hat having an upper side and an underside which intercepts entrained liquid droplets flowing upwardly through the tray chimney, supports for supporting the chimney tray hat directly above the tray chimney, and a catcher ring and gutter for collecting the liquid impinging on the underside of the top cover and draining the liquid onto the supports and through the tray chimney.Type: GrantFiled: March 22, 1989Date of Patent: June 12, 1990Assignee: Shell Oil CompanyInventor: Robert P. Bannon
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Patent number: 4895997Abstract: The disclosure of the invention relates to a process for double bond isomerization in which the double bond of an alpha olefinic molecule is moved from the alpha position to an internal position of the olefinic molecule. The catalyst utilized for this migration is a catalyst prepared by incorporating palladium into an alumina hydrogel.Type: GrantFiled: August 31, 1988Date of Patent: January 23, 1990Assignee: Shell Oil CompanyInventors: David M. Hamilton, Jr., Richard A. Kemp
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Patent number: 4880522Abstract: This invention relates to hydrotreating with highly active hydrotreating catalysts prepared by incorporating an element selected from the group consisting of nickel, cobalt and mixtures thereof, a heavy metal selected from the group consisting of molybdenum, tungsten and mixtures thereof, into a phosphated alumina hydrogel. The final calcined catalysts have surface areas at least about 300 m.sup.2 /g, at least about 20% of the pore volume in pores having diameters greater than about 350 .ANG. and at least about 20% of the pore volume in pores having diameters less than about 70 .ANG..Type: GrantFiled: October 12, 1988Date of Patent: November 14, 1989Assignee: Shell Oil CompanyInventor: Richard A. Kemp
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Patent number: 4880526Abstract: This invention relates to a process for preparing highly active hydrotreating catalysts prepared by incorporating an element selected from the group consisting of nickel, cobalt and mixtures thereof, and a heavy metal selected from the group consisting of molybdenum, tungsten and mixtures thereof. The final calcined catalysts have surface areas at least about 300 m.sup.2 /g, at least about 20% of the pore volume in pores having diameters greater than about 350 .ANG. and at least about 20% of the pore volume in pores having diameters less than about 70 .ANG..Type: GrantFiled: October 12, 1988Date of Patent: November 14, 1989Assignee: Shell Oil CompanyInventor: Richard A. Kemp
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Patent number: 4880524Abstract: This invention relates to hydrotreating with highly active catalysts prepared by incorporating from nickel and a heavy metal selected from the group consisting of molybdenum, tungsten and mixtures thereof. The final calcined catalysts have surface areas at least about 300 m.sup.2 /g and at least about 70% of the pore volume in pores having diameters less than about 70 .ANG..Type: GrantFiled: December 19, 1988Date of Patent: November 14, 1989Assignee: Shell Oil CompanyInventor: Richard A. Kemp
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Patent number: 4880523Abstract: This invention relates to hydrotreating with highly active hydrotreating catalysts prepared by incorporating an element selected from the group consisting of nickel, cobalt and mixtures thereof, a heavy metal selected from the group consisting of molybdenum, tungsten and mixtures thereof, and a stabilizing amount of phosphorus into an alumina hydrogel. The final calcined catalysts have surface areas at least about 300 m.sup.2 /g, at least about 20% of the pore volume in pores having diameters greater than about 350 .ANG. and at least about 20% of the pore volume in pores having diameters less than about 70 .ANG..Type: GrantFiled: October 12, 1988Date of Patent: November 14, 1989Assignee: Shell Oil CompanyInventor: Richard A. Kemp
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Patent number: 4880525Abstract: This invention relates to hydrotreating with highly active hydrotreating catalysts prepared by incorporating an element selected from the group consisting of nickel, cobalt and mixtures thereof, a heavy metal selected from the group consisting of molybdenum, tungsten and mixtures thereof, and a stabilizing amount of phosphorus into an alumina hydrogel. The final calcined catalysts have surface areas at least about 300 m.sup.2 /g, at least about 20% of the pore volume in pores having diameters greater than about 350 .ANG. and at least 20% of the pore volume in pores having diameters less than about 70 .ANG..Type: GrantFiled: October 12, 1988Date of Patent: November 14, 1989Assignee: Shell Oil CompanyInventor: Richard A. Kemp
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Patent number: 4879394Abstract: Olefinically unsaturated hydrocarbons are reacted with maleic anhydride to form the corresponding succinic anhydride in the presence of an alkoxide of zinc or dialkyl zinc which prevents side-reactions. These products are used for the preparation of anticorrosive agents.Type: GrantFiled: May 4, 1988Date of Patent: November 7, 1989Assignee: Shell Oil CompanyInventors: Herbert E. Fried, Charles L. Edwards
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Patent number: 4861460Abstract: Hydrotreating with wide port-containing catalysts prepared by incorporating a metals solution containing an element selected from the group consisting of molybdenum, tungsten and mixtures thereof, and an element selected from the group consisting of nickel, cobalt and mixtures thereof, into a phosphated alumina hydrogel support. The final calcined catalysts have surface areas greater than about 300 m.sup.2 /g, crush strengths greater than about 9 lbs and more than about 20% of their pores greater than 150 .ANG..Type: GrantFiled: August 13, 1987Date of Patent: August 29, 1989Assignee: Shell Oil CompanyInventor: Richard A. Kemp