Patents Represented by Attorney K. K. Brandes

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  • Metals passivation
    Patent number: 5096568
    Abstract: A zeolite-containing catalytic cracking catalyst having been passivated by treatment with an aqueous solution which has been prepared by mixing an antimony oxide, ammonium bifluoride and water, at an atomic ratio of F:Sb in excess of about 6:1, is used in a process for catalytically cracking a hydrocarbon-containing feed, in particular one which contains metal impurities. In one embodiment, the above-described aqueous solution is injected into the feed. In other embodiments, the solution is injected into the cracking zone or into a catalyst regeneration zone.
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: March 17, 1992
    Assignee: Phillips Petroleum Company
    Inventors: Ted H. Cymbaluk, Chia-Min Fu
  • Trialkyl arsine removal from fluids
    Patent number: 5096682
    Abstract: Trialkyl arsines (in particular trimethyl arsine) are removed from a fluid (e.g., a hydrocarbon-containing gas) by contacting the fluid with a sorbent material comprising at least one copper hydrocarbon sulfonate, preferably a copper salt of an aliphatic or aromatic sulfonic acid, or with a copper-exchanged, sulfonated styrene polymer.
    Type: Grant
    Filed: April 16, 1991
    Date of Patent: March 17, 1992
    Assignee: Phillips Petroleum Company
    Inventors: Patricia A. Tooley, Ted H. Cymbaluk, Gerhard P. Nowack, Marvin M. Johnson
  • Conversion of benzene to toluene
    Patent number: 5095160
    Abstract: Benzene is converted to toluene in the presence of free hydrogen and a supported nickel metal catalyst.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: March 10, 1992
    Assignee: Phillips Petroleum Company
    Inventors: Filippo Penella, Marvin M. Johnson
  • Method of oxidative conversion
    Patent number: 5087787
    Abstract: A method for the oxidative conversion of feed organic compounds to product organic compounds, particularly, the conversion of methane to higher hydrocarbons and the conversion of saturated C.sub.2 to C.sub.7 hydrocarbons to less saturated hydrocarbons, in which the feed compounds are contacted with a free oxygen-containing gas, water and a contact material, comprising at least one Group IIA metal or lanthanum and oxygen; at least two Group IIA metals, Lanthanum Series metals, zinc, or titanium and oxygen; at least one Group IA metal, at least one Group IIA metal, Lanthanum Series metals, zinc or titanium and oxygen; at least one Group IA metal or Group IIA metal, phosphorous and oxygen; cobalt, at least one of zirconium, zinc, nickel, indium, lead or bismuth, phosphorous, at least one Group IA metal and oxygen; or cobalt, at least one Group IA metal, silicon and oxygen.
    Type: Grant
    Filed: May 6, 1991
    Date of Patent: February 11, 1992
    Assignee: Phillips Petroleum Company
    Inventors: James B. Kimble, John H. Kolts
  • Separation of alkenes from alkanes
    Patent number: 5085740
    Abstract: An extractive distillation process for separating at least one C.sub.4 -C.sub.10 alkene (monoolefin) from at least one close-boiling alkane (paraffin) employs as solvent a mixture of (a) at least one N-alkyl-2-pyrrolidone, preferably N-methyl-2-pyrrolidone and either (b1) at least one sulfolane compound (preferably cyclotetramethylene sulfone) or (b2) at least one glycol compound (preferably tetraethylene glycol) or both (b1) and (b2).
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: February 4, 1992
    Assignee: Phillips Petroleum Company
    Inventors: Fu-Ming Lee, Ronald E. Brown
  • Extractive distillation of low boiling alkene/alkane mixtures
    Patent number: 5085741
    Abstract: An extractive distillation process for separating at least one C.sub.2 -C.sub.4 alkene (preferably propylene) from at least one close-boiling alkane (preferably propane) employs propylene carbonate as solvent, optionally in admixture with a minor amount of water.
    Type: Grant
    Filed: January 23, 1991
    Date of Patent: February 4, 1992
    Assignee: Phillips Petroleum Company
    Inventors: Ronald E. Brown, Anthony L. Rouse, Fu-Ming Lee
  • Sorption of trialkyl arsines
    Patent number: 5085844
    Abstract: Trialkyl arsine (in particular trimethyl arsine) is removed from a fluid (e.g., a hydrocarbon-containing gas) by contacting the fluid with a sorbent material comprising (a) elemental sulfur, and (b) an inorganic support material, preferably alumina and/or silica and/or titania and/or activated carbon.
    Type: Grant
    Filed: November 28, 1990
    Date of Patent: February 4, 1992
    Assignee: Phillips Petroleum Company
    Inventors: Gerhard P. Nowack, Tin-Tack P. Cheung
  • Methane conversion
    Patent number: 5077446
    Abstract: A method for the oxidative conversion of methane, at a high conversion and high selectivity to ethylene and ethane, in which a methane-containing gas, such as a natural gas, and an oxygen-containing gas are contacted with a contact material comprising lithium, in an effective amount, preferably 0.1 to 50 wt. % (expressed as the metal), and magnesium oxide, as by passing a mixture of the methane-containing gas and the oxygen-containing gas through a body of the contact material.
    Type: Grant
    Filed: March 19, 1985
    Date of Patent: December 31, 1991
    Assignee: Phillips Petroleum Company
    Inventors: John H. Kolts, Jack H. Lunsford
  • Process for preparation of tin dioxide containing catalyst composition
    Patent number: 5071818
    Abstract: An improved process of preparing a composition, which is effective as a CO oxidation catalyst and contains (a) a SnO.sub.2 -coated porous ceramic material, (b) Pt and/or Pd and (c) at least one compound of Mn and/or Cr, requires the preparation of component (a) by impregnation of a porous ceramic material (preferably a monolith) with a tin carboxylate solution, followed by drying and calcining (so as to decompose tin carboxyte to tin dioxide).
    Type: Grant
    Filed: March 21, 1991
    Date of Patent: December 10, 1991
    Assignee: Phillips Petroleum Company
    Inventor: John H. Kolts
  • Separation of aromatics from alkanes
    Patent number: 5069757
    Abstract: An extractive distillation process for separating at least one aromatic hydrocarbon from at least one close-boiling alkane employs as solvent a mixture of (a) at least one N-mercaptoalkyl-2-pyrrolidone, preferably N-(.beta.-mercaptoethyl)-2-pyrrolidone and (b) at least one sulfolane, preferably cyclotetramethylene sulfone.
    Type: Grant
    Filed: July 2, 1990
    Date of Patent: December 3, 1991
    Assignee: Phillips Petroleum Company
    Inventor: Ronald E. Brown
  • Separation of monoolefins from paraffins
    Patent number: 5068011
    Abstract: An extractive distillation process for separating at least one C.sub.4 -C.sub.10 alkene (monoolefin) from at least one close-boiling alkane employs solvent at least one N-mercaptoalkyl-2-pyrrolidone, preferably N-(.beta.-mercaptoethyl)-2-pyrrolidone, optionally in admixture with at least one N-alkyl-2-pyrrolidone, preferably N-methyl-2-pyrrolidone.
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: November 26, 1991
    Assignee: Phillips Petroleum Company
    Inventors: Fu-Ming Lee, Ronald E. Brown
  • Trialkyl arsine sorbents
    Patent number: 5064626
    Abstract: Trialkyl arsine (in particular trimethyl arsine) is removed from a fluid (e.g. a hydrocarbon-containing gas) by contacting the fluid with a sorbent material comprising (a) a transition metal polysulfide (preferably Fe.sub.2 (S.sub.3).sub.3, and (b) an inorganic support material (preferably alumina).
    Type: Grant
    Filed: November 28, 1990
    Date of Patent: November 12, 1991
    Assignee: Phillips Petroleum Company
    Inventors: Marvin M. Johnson, Patricia A. Tooley, Gary A. Delzer, Gerhard P. Nowack, Ted H. Cymbaluk
  • Removal of basic impurities from olefin streams
    Patent number: 5057642
    Abstract: Basic impurities, in particular ammonia, are removed from monoolefin-containing feeds, in particular an isobutylene-containing feed, by contacting with a hydrated acidic clay.
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: October 15, 1991
    Assignee: Phillips Petroleum Company
    Inventors: Marvin M. Johnson, Gerhard P. Nowack, Mary E. Rezac
  • Hydrovisbreaking process for hydrocarbon containing feed streams
    Patent number: 5055174
    Abstract: At least one decomposable molybdenum compound selected from the group consisting of molybdenum dithiophosphates and molybdenum dithiocarbamates is mixed with a hydrocarbon-containing feed stream. The hydrocarbon-containing feed stream containing such decomposable molybdenum compound is then contacted in a hydrovisbreaking process with hydrogen under suitable hydrovisbreaking conditions.
    Type: Grant
    Filed: June 27, 1984
    Date of Patent: October 8, 1991
    Assignee: Phillips Petroleum Company
    Inventors: Jerald A. Howell, Donald C. Tabler, Thomas Davis, Simon G. Kukes
  • Extractive distillation of cycloalkane/alkane feeds
    Patent number: 5055162
    Abstract: Cycloalkanes, preferably cyclohexane and/or cyclopentane, are separated from close-boiling alkanes by extractive distillation employing as solvent a mixture of (a) at least one N-hydroxyalkyl-2-pyrrolidone, preferably N-(.beta.-hydroxyethyl)-2-pyrrolidone, and (b) at least one saturated C.sub.5 -C.sub.9 alcohol, preferably cyclohexanol.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: October 8, 1991
    Assignee: Phillips Petroleum Company
    Inventors: Ronald E. Brown, Fu M. Lee, Michael S. Matson
  • Process for converting spent butane isomerization catalysts to pentane isomerization catalysts
    Patent number: 5039639
    Abstract: A spent butane isomerization catalyst comprising platinum and chlorine or alumina is converted in an active n-pentane isomerization catalyst by a process comprising calcining and subsequent heating with a fluorocarbon and/or chlorofluorocarbon. The thus prepared catalyst can be used in the isomerization of n-pentane to isopentane.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: August 13, 1991
    Assignee: Phillips Petroleum Company
    Inventor: Gyanesh P. Khara
  • Cement-containing catalyst composition and process for its preparation
    Patent number: 5039645
    Abstract: A solid composition is prepared by mixing water, a hydraulic cement, aluminum metal powder, and a catalyst composition comprising (a) an inorganic support, (b) Pt and/or Pd metal (c) and Fe metal and/or oxide, followed by maintaining the obtained mixture under such conditions as to affect hardening of the hydraulic cement. Preferably, the hydraulic cement is a Type III portland cement and/or a Class H well cement. The thus-prepared solid compositon can be used as a CO oxidation catalyst.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: August 13, 1991
    Assignee: Phillips Petroleum Company
    Inventors: David J. Elliott, Patricia A. Tooley
  • Cement-containing catalyst composition and process for its preparation
    Patent number: 5039646
    Abstract: A solid composition is prepared by mixing water, a hydraulic cement, sodium silicate, and a catalyst composition comprising (a) an inorganic support, (b) Pt and/or Pd metal and (c) Fe metal and/or oxide, followed by maintaining the obtained mixture under such conditions as to affect hardening of the hydraulic cement. Preferably, the hydraulic cement is a Type III portland cement and/or a Class H well cement. A solid composition comprising hydraulic cement, sodium silicate and the above-described catalyst composition is provided. This solid composition can be used as a CO oxidation catalyst.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: August 13, 1991
    Assignee: Phillips Petroleum Company
    Inventor: David J. Elliott
  • Conversion of spent butane isomerization catalysts to pentane isomerization catalysts
    Patent number: 5039638
    Abstract: A spent butane isomerization catalyst which contains platinum and chlorine on alumina is converted to an active n-pentane isomerization catalyst by processes comprising fluorination (preferably with dissolved HF or NH.sub.4 HF) and calcination (before and/or after the fluorination step). The thus-treated catalysts are used for isomerizing n-pentane to isopentane.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: August 13, 1991
    Assignee: Phillips Petroleum Company
    Inventors: Ted H. Cymbaluk, Gerhard P. Nowack, Marvin M. Johnson
  • Metals passivation-zeolite containing cracking catalysts
    Patent number: 5037786
    Abstract: A zeolite containing catalytic cracking catalyst is passivated by treatment with an aqueous solution which has been prepared by mixing an antimony oxide, ammonium bifluroide and water. The thus-passivated catalyst is used in a process for catalytically cracking a hydrocarbon-containing feed, in particular one which contains metal impurities. In one embodiment, the above-described aqueous solution is injected into the feed. In other embodiments, the solution is injected into the cracking zone or into a catalyst regeneration zone.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: August 6, 1991
    Assignee: Phillips Petroleum Company
    Inventor: Ted H. Cymbaluk