Patents Represented by Attorney, Agent or Law Firm Thomas A. Yassen
  • Patent number: 5292697
    Abstract: A method is provided for the nondestructive trivalent cation ion exchange of molecular sieves comprising ion exchanging at least one molecular sieve with at least one trivalent cation, wherein the ion exchange is performed at ion exchange conditions with an ion exchange solution comprising the trivalent cation, a trivalent cation complexing agent, and a suitable amount of a hydroxide-producing component to form an ion exchange solution having a pH ranging from about 4 to about 8.
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: March 8, 1994
    Assignee: Amoco Corporation
    Inventor: Marvin R. Klotz
  • Patent number: 5286371
    Abstract: A process is provided for producing premium and super premium grade needle coke comprising the steps of passing a heavy resid feedstock to a resid hydrotreating reaction zone at resid hydrotreating conditions and producing light resid hydrotreated products and a heavy resid hydrotreated residual product, directing the heavy resid hydrotreated residual product and FCC decanted oil to a solvent extraction process reaction zone at solvent extraction process conditions and producing products comprising a solvent extracted oil and resin stream and a stream comprising asphaltenes, and conveying at least a portion of the solvent extracted oil and resin stream to a delayed coking process at delayed coking conditions and producing liquid products and premium grade coke.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: February 15, 1994
    Assignee: Amoco Corporation
    Inventors: Shri K. Goval, Jeffrey J. Kolstad, F. W. Hauschildt, Dean G. Venardos, Cheryl L. M. Joval
  • Patent number: 5275990
    Abstract: A method is provided for regenerating a molecular sieve-free resid hydroprocessing catalyst for use with an ebullated bed reaction process comprising at least one hydrogenation metal and at least one Group IIA metal deposited on an inorganic oxide support wherein the catalyst contains a pore volume of pores having a diameter greater than 1200 Angstroms of at least 0.05 cc/gm. The method comprises the steps of contacting the molecular sieve-free resid hydroprocessing catalyst with a contaminant metal-containing hydrocarbon feedstream in a first contacting step at conditions sufficient to deposit contaminant metals and coke onto the catalyst; and contacting the coke-deactivated, contaminant metal-containing, molecular sieve-free catalyst with an oxygen-containing gas in a second contacting step at oxidation conditions sufficient to remove a substantial amount of the coke from the coke-deactivated, contaminant metal-containing, molecular sieve-free catalyst.
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: January 4, 1994
    Assignee: Amoco Corporation
    Inventors: Frederick T. Clark, Albert L. Hensley, Jr.
  • Patent number: 5271828
    Abstract: A process and catalyst is provided for the hydrogenation of a hydrocarbon feedstock comprising a substantial portion of a distillate hydrocarbon feedstock, wherein said distillate hydrocarbon feedstock consists essentially of material boiling between about 150.degree. F. and about 700.degree. F. at atmospheric pressure, which comprises reacting the feedstock with hydrogen at hydrogenation conditions in the presence of a catalyst comprising from about 0.1% to about 2.0% by weight of palladium and from about 0.1% to about 2.0% by weight of platinum and a support comprising borosilicate, for producing a hydrogenated product.
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: December 21, 1993
    Assignee: Amoco Corporation
    Inventors: Frederick T. Clark, Simon G. Kukes, P. Donald Hopkins
  • Patent number: 5266188
    Abstract: A process, catalyst, and method of making a catalyst are provided for the selective hydrotreating of a selective hydrotreating feedstock comprising reacting the feedstock with hydrogen at hydrotreating conditions in the presence of a catalyst comprising a hydrogenation component and a support component. The hydrogenation component comprises a Group VIB metal component and a Group VIII metal component wherein the Group VIB metal component is present in an amount ranging from about 4 wt % to about 20 wt % and the Group VIII metal component is present in an amount ranging from about 0.5 wt % to about 10 wt %, both calculated as oxides and based on the total catalyst weight. The support component comprises from about 0.5 wt % to about 50 wt % of a magnesium component and from about 0.02 wt % to about 10 wt % of an alkali metal component, both calculated as oxides and based on the total catalyst weight.
    Type: Grant
    Filed: December 5, 1991
    Date of Patent: November 30, 1993
    Assignee: Amoco Corporation
    Inventors: Simon G. Kukes, P. Donald Hopkins, Riitta L. A. Ollendorff, Pablo D. Hendler, Cynthia D. Ontiveros, Don M. Washecheck
  • Patent number: 5246567
    Abstract: A process is provided for the hydrogenation of benzene and the isomerization of a light naphtha feedstock consisting essentially of a stream having a boiling range of from about 50.degree. F. to about 240.degree. F. comprising the steps of contacting the light naphtha feedstock at isomerization conditions in an isomerization reaction zone with an isomerization catalyst in the presence of hydrogen and producing an isomerization reaction zone effluent, combining the isomerization reaction zone effluent with a supplemental benzene-containing stream comprising at least 1 weight percent benzene and forming a hydrogenation zone feedstock, and hydrotreating the hydrogenation zone feedstock at hydrogenation conditions in a hydrogenation reaction zone with a hydrogenation catalyst in the presence of hydrogen for producing an isomerate product comprising less than 0.1 weight percent benzene.
    Type: Grant
    Filed: February 10, 1992
    Date of Patent: September 21, 1993
    Assignee: Amoco Corporation
    Inventors: Robert D. Buttke, Frank S. Modica, Bruce A. Fleming
  • Patent number: 5233121
    Abstract: The present invention relates to a process for isomerizing a light paraffinic naphtha feedstock having a boiling range from about 50.degree. F. to about 210.degree. F. and containing at least 85 weight percent aliphatic hydrocarbon having 6 carbon atoms or less. The process comprises contacting the feedstock at isomerization conditions with an isomerization catalyst comprising a zeolite beta component.
    Type: Grant
    Filed: August 4, 1992
    Date of Patent: August 3, 1993
    Assignee: Amoco Corporation
    Inventor: Frank S. Modica
  • Patent number: 5232885
    Abstract: A method of regenerating a contaminant metal-containing, coke deactivated, molecular sieve-free catalyst having at least one hydrogenation metal and at least one Group IV metal deposited on an inorganic oxide support comprising contacting the catalyst with an oxygen-containing gas under conditions sufficient to remove a substantial amount of the coke from the catalyst.
    Type: Grant
    Filed: December 18, 1991
    Date of Patent: August 3, 1993
    Assignee: Amoco Corporation
    Inventors: Frederick T. Clark, Mary C. Springman
  • Patent number: 5225383
    Abstract: A process and catalyst are provided for hydrogenation of a hydrocarbon feedstock consisting essentially of material boiling between about 150.degree. F. and about 700.degree. F. which comprises reacting the feedstock with hydrogen at hydrogenation conditions in the presence of a catalyst comprising from about 0.1% to about 2.0% by weight each of palladium and platinum and a support comprising mordenite. The process of the present invention provides substantially improved dearomatization performance, increased desulfurization and denitrogenation, increased distillate product cetane number, increased distillate volume expansion, and utilizes a more durable catalyst.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: July 6, 1993
    Assignee: Amoco Corporation
    Inventors: Simon G. Kukes, Frederick T. Clark, P. Donald Hopkins, Lisa M. Green
  • Patent number: 5223715
    Abstract: A process is provided for obtaining spectral information and quantifying the physical properties of a sample. The process comprises launching polychromatic light having a wavelength ranging from about 100 nanometers to about 2500 nanometers alternately through at least one sample channel and at least one reference channel, through at least one high-efficiency fiber optic switch. The sample and the polychromatic light along the sample channel are directed to a sample cell wherein the polychromatic light is passed through the sample, producing sample spectral information. The polychromatic light directed along the reference channel produces reference spectral information.
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: June 29, 1993
    Assignee: Amoco Corporation
    Inventor: James L. Taylor
  • Patent number: 5221776
    Abstract: A process is provided for isomerizing an olefinic hydrocarbon feedstock and producing an olefinic isomerate product, wherein the feedstock comprises at least 10 weight percent of an olefinic hydrocarbon having 5 carbon atoms, comprising contacting the feedstock at isomerization conditions with an isomerization catalyst, the isomerization catalyst comprising from about 0.01 weight percent to about 50 weight percent borosilicate and from about 20 weight percent to about 99.99 weight percent of silica.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: June 22, 1993
    Assignee: Amoco Corporation
    Inventor: Bruce D. Alexander
  • Patent number: 5221656
    Abstract: A hydroprocessing catalyst and process of using such catalyst wherein such catalyst has at least one hydrogenation metal deposited on an inorganic oxide support and is further characterized by a surface area of greater than about 220 m.sup.2 /g, a pore volume of about 0.23-0.30 cc/g in pores greater than about 600 Angstroms radius, an average pore radius of about 30-70 Angstroms in pores less than 600 Angstroms, and an incremental pore volume curve with a maximum at about 25-50 Angstroms radius.
    Type: Grant
    Filed: March 25, 1992
    Date of Patent: June 22, 1993
    Assignee: Amoco Corporation
    Inventors: Frederick T. Clark, Albert L. Hensley, Jr., Simon G. Kukes, David C. Arters
  • Patent number: 5206701
    Abstract: An apparatus is provided for obtaining spectral information and quantifying the physical properties of a sample. The apparatus comprises a light source and a high-efficiency fiber optic switch means communicating with the light source for directing the light alternatively along at least two channels, the two channels comprising at least one reference channel and at least one sample channel. A sample means communicates with the sample channel for providing an interface between the light and the sample. A fiber optic means comprising a high-efficiency fiber optic switch and/or an optical coupler communicates with the sample channels and the reference channels and directs the light alternatively from the reference and sample channels to a mode scrambler. A wavelength discrimination device separates the light from the mode scrambler into component wavelengths and provides spectral information for the determination of the physical properties of the sample.
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: April 27, 1993
    Assignee: Amoco Corporation
    Inventors: James L. Taylor, Ronald L. Cutshall, Ernest H. Baughman
  • Patent number: 5200060
    Abstract: In a hydrotreating process, a hydrocarbon feedstock having a boiling of at least about 460.degree. F. is contacted with a catalyst having at least one member selected from the group consisting of a carbide of a Group VIB metal and a nitride of a Group VIB metal under hydrotreating conditions.
    Type: Grant
    Filed: April 26, 1991
    Date of Patent: April 6, 1993
    Assignee: Amoco Corporation
    Inventors: Daniel J. Sajkowski, Shigeo T. Oyama
  • Patent number: 5151172
    Abstract: A process and catalyust are provided for hydrogenation of a hydrocarbon feedstock consisting essentially of material boiling between about 150.degree. F. and about 700.degree. F. which comprises reacting the feedstock with hydrogen at hydrogenation conditions in the presence of a catalyst comprising from about 0.1% to about 2.0% by weight each of palladium and platinum and a support comprising mordenite. The process of the present invention provides substantially improved dearomatization performance, increased desulfurization and denitrogenation, increased distillate product cetane number, increased distllate volume expansion, and utilizes a more durable catalyst.
    Type: Grant
    Filed: May 3, 1991
    Date of Patent: September 29, 1992
    Assignee: Amoco Corporation
    Inventors: Simon G. Kukes, Frederick T. Clark, P. Donald Hopkins, Lisa M. Green
  • Patent number: 5147526
    Abstract: A process and catalyst are provided for hydrogenation of a hydrocarbon feedstock consisting essentially of material boiling between about 150.degree. F. and about 700.degree. F. which comprises reacting the feedstock with hydrogen at hydrogenation conditions in the presence of a catalyst comprising hydrogenation metals and a support comprising zeolite Y. The hydrogenation metals comprise from about 0.1 percent to about 2.0 percent by weight each of palladium and platinum calculated as a percnetage of the catalyst. The zeolite Y further comprises sodium in an amount ranging from about 1.5 to about 8.0 percent of the zeolite Y by weight. The process of the present invention provides substantially improved dearomatization performance, increased desulfurization and denitrogenation, increased distillate product cetane number, and increased distillate volume expansion.
    Type: Grant
    Filed: October 1, 1991
    Date of Patent: September 15, 1992
    Assignee: Amoco Corporation
    Inventors: Simon G. Kukes, Frederick T. Clark, P. Donald Hopkins
  • Patent number: 5145826
    Abstract: The present invention relates to a process and a catalyst for the fluid bed incineration of a combustible hydrocarbon feedstock. The process comprises contacting the feedstock with a mixture of a fluidized heat transfer media and a combustion promoter catalyst, in the presence of an oxygen-containing gas stream in excess of that required for complete combustion of the carbon monoxide formed, at feedstock combustion conditions. The combustion promoter catalyst consists essentially of particulate with a particle size of greater than 150 microns and includes a promoter metal present in an amount to provide a substantially carbon monoxide-free flue gas.
    Type: Grant
    Filed: September 5, 1991
    Date of Patent: September 8, 1992
    Assignee: Amoco Corporation
    Inventors: Eugene H. Hirschberg, George A. Huff, Jr.
  • Patent number: 5143634
    Abstract: An engine and lubricating oil having superior anti-wear properties without necessitating use of phosphorus-containing anti-wear additives is provided which is particularly useful in automotive, industrial, and gear lubricants. The anti-wear engine and lubricating oil comprises an anti-wear component including benzotriazole or the reaction product of benoztriazole, combined with a formaldehyde-containing component and at least one primary or secondary aliphatic amine, a sulfur-containg compound, a metallic component, and a lubricating base oil.
    Type: Grant
    Filed: January 17, 1991
    Date of Patent: September 1, 1992
    Assignee: Amoco Corporation
    Inventors: Elaine M. Quinga, Luke A. Schaap
  • Patent number: 5102567
    Abstract: An improved high performance food grade lubricating oil is provided that effectively lubricates bearings, gears, and slide mechanisms present in food industry equipment. The food grade oil provides superior oxidation, thermal, and hydrolytic stability properties and is economic to manufacture. In the preferred form, the lubricating oil includes a base oil and an additive package comprising the combination of phenolic and aromatic amine antioxidants.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: April 7, 1992
    Assignee: Amoco Corporation
    Inventor: Leslie R. Wolf
  • Patent number: 5101743
    Abstract: The present invention relates to a process and a catalyst for the fluid bed incineration of a combustible hydrocarbon feedstock. The process comprises contacting the feedstock with a mixture of a fluidized heat transfer media and a combustion promoter catalyst, in the presence of an oxygen-containing gas stream in excess of that required for complete combustion of the carbon monoxide formed, at feedstock combustion conditions. The combustion promoter catalyst consists essentially of particulate with a particle size of greater than 100 microns and includes a promoter metal present in an amount to provide a substantially carbon monoxide-free flue gas.
    Type: Grant
    Filed: December 4, 1990
    Date of Patent: April 7, 1992
    Assignee: Amoco Corporation
    Inventors: Eugene H. Hirschberg, George A. Huff, Jr.