Patents by Inventor Charles A. Drake

Charles A. Drake has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Selectivated zeolitic hydrocarbon conversion catalyst
    Patent number: 6066770
    Abstract: A catalyst, method for preparing the catalyst, and method for using the catalyst having improved para-selectivity in the conversion of alkyl-substituted benzene to para-dialkyl-substituted benzene. The catalyst being prepared by calcining a starting zeolite material, selectivating the calcined zeolite using a silicon-containing selectivating agent, physically mixing the calcined and selectivated zeolite with a binder, shaping the resulting zeolitic physical blend into a form suitable for use in a hydrocarbon conversion process, selectivating the shaped zeolitic physical blend using a silicon-containing selectivating agent, and calcining the selectivated shaped zeolitic physical blend.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: May 23, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Hydrocarbon conversion catalyst composition and processes therefor and therewith
    Patent number: 6063975
    Abstract: A catalyst composition, a process for producing the composition, and a hydrotreating process for converting a hydrocarbon stream such as, for example, gasoline, to olefins and C.sub.6 to C.sub.8 aromatic hydrocarbons such as toluene and xylenes are disclosed. The catalyst composition comprises a zeolite, a clay, and a promoter. The process for producing the composition comprises the steps: (1) combining a zeolite with a clay and a promoter under a condition sufficient to bind the clay to the zeolite to produce a clay-bound zeolite; and (2) heating the clay-bound zeolite to produce a modified zeolite. The hydrotreating process comprises contacting a hydrocarbon stream with the catalyst composition under a condition sufficient to effect the conversion of a hydrocarbon to an olefin and a C.sub.6 to C.sub.8 aromatic hydrocarbon.
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: May 16, 2000
    Assignee: Phillips Petroleum Company
    Inventors: Charles A. Drake, An-hsiang Wu
  • Silylated water vapor treated zinc or gallium promoted zeolite and use thereof for the conversion of non-aromatic hydrocarbons to olefins and aromatic hydrocarbons
    Patent number: 6063974
    Abstract: A hydrocarbon conversion process in which the rate of coke formation is reduced without a significant sacrifice in light olefin and BTX yield by the use of a silylated, stabilized metal promoted zeolite catalyst. Another embodiment includes a novel silylated spinel/zeolite catalyst. Another embodiment includes a process for producing a zinc or gallium promoted zeolite in which the promoter is stabilized by a high temperature water vapor treatment in the presence of a metal oxide such as alumina and thereafter the stabilized catalyst precursor is calcined and silylated.
    Type: Grant
    Filed: April 15, 1998
    Date of Patent: May 16, 2000
    Assignee: Phillips Petroleum Company
    Inventors: Charles A. Drake, An-hsiang Wu
  • Process for making a composition that is useful for converting lower value aromatics to higher value aromatics
    Patent number: 6063722
    Abstract: A process to produce a composition is provided. Said process comprises: contacting a zeolite component and selectivation component to form a first mixture; followed by treating said first mixture to form a second mixture; followed by contacting said second mixture with a binder component to form a third mixture; followed by agglomerating said third mixture to form a fourth mixture; followed by treating said fourth mixture to form a fifth mixture; followed by contacting said fifth mixture with a Group 8, 9, or 10 metal component to form a sixth mixture; and followed by treating said sixth mixture to from said composition.
    Type: Grant
    Filed: October 7, 1998
    Date of Patent: May 16, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Silicoaluminophosphate material, a method of making such improved material and the use thereof in the conversion of oxygenated hydrocarbons to olefins
    Patent number: 6051745
    Abstract: A catalyst system comprising a nitrided silicoaluminophosphate, and a method of preparing such catalyst system which comprises nitriding a silicoaluminophosphate, are disclosed. The thus-obtained catalyst system is employed as a catalyst in the conversion of a hydrocarbon feedstock comprising oxygenated hydrocarbons to olefins.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: April 18, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Ralph J. Melton, Charles A. Drake
  • Ethylbenzene reduction catalyst composition and processes therefor and therewith
    Patent number: 6051519
    Abstract: A catalyst composition and an ethylbenzene isomerization process are disclosed. The composition comprises a silylated zeolite and a promoter comprising a Group VIII metal. The process comprises contacting a fluid which comprises ethylbenzene and at least one xylene with the catalyst composition under a condition sufficient to effect the conversion of ethylbenzene to a xylene. Also disclosed is a process for producing the catalyst composition.
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: April 18, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Hydrotreating catalyst composition and processes therefor and therewith
    Patent number: 6051520
    Abstract: A catalyst composition, a process for producing the composition and a hydrotreating conversion process are disclosed. The composition comprises a zeolite having incorporated therein a promoter comprising a metal carbide or a metal nitride. The composition can be produced by incorporating a metal compound into the zeolite followed by thermal treatment of the resulting zeolite with a hydrocarbon, preferably in the presence of hydrogen, or with ammonia. The hydrotreating process comprises contacting a hydrocarbon-containing fluid with the catalyst composition under a condition sufficient to effect the reduction of sulfur content in the hydrocarbon-containing fluid.
    Type: Grant
    Filed: May 19, 1998
    Date of Patent: April 18, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Zeolite material, a method of making such improved zeolite material and the use thereof in the conversion of non-aromatic hydrocarbons to aromatics and light olefins
    Patent number: 6048815
    Abstract: A novel high stability catalyst composition comprising a mixture of zeolite and zinc spinel that has been treated with a reducing gas under high temperature conditions, a method of making such high stability catalyst, and the use thereof for converting paraffin hydrocarbons to olefins and aromatics.
    Type: Grant
    Filed: November 9, 1998
    Date of Patent: April 11, 2000
    Assignee: Philips Petroleum Company
    Inventors: Jianhua Yao, James B. Kimble, Charles A. Drake
  • Silicoaluminophosphate material, a method of making such improved material and the use thereof in the conversion of oxygenated hydrocarbons to olefins
    Patent number: 6046371
    Abstract: A catalyst system comprising a silylated silicoaluminophosphate composition, and methods of preparing such catalyst system, are disclosed. The thus-obtained catalyst system is employed as a catalyst in the conversion of a hydrocarbon feedstock comprising oxygenated hydrocarbons to olefins.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: April 4, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Ralph Melton, Charles A. Drake
  • Hydrocarbon conversion catalyst composition and processes therefor and therewith
    Patent number: 6040257
    Abstract: A catalyst composition, a process for producing the composition, and a hydrocarbon conversion process for converting a hydrocarbon stream such as, for example, gasoline, to olefins and C.sub.6 to C.sub.8 aromatic hydrocarbons such as benzene, toluene and xylenes are disclosed. The catalyst composition comprises a zeolite and phosphorus. The process for producing the composition comprises the steps of: (1) combining a zeolite with a phosphorus compound under a condition sufficient to produce a phosphorus-promoted zeolite; and (2) heating the phosphorus-promoted zeolite. The hydrocarbon conversion process comprises contacting a hydrocarbon stream with the catalyst composition under a condition sufficient to effect the conversion of a saturated hydrocarbon to an olefin and a C.sub.6 to C.sub.8 aromatic hydrocarbon.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: March 21, 2000
    Assignee: Phillips Petroleum Company
    Inventors: Charles A. Drake, An-hsiang Wu, Jianhua Yao
  • Hydrodealkylation of C.sub.9 + aromatic compounds
    Patent number: 6037302
    Abstract: A catalyst composition and a process for hydrodealkylating a C.sub.9 + aromatic compound such as, for example, 1,2,4-trimethylbenzene to a C.sub.6 to C.sub.8 aromatic hydrocarbon such as a xylene are disclosed. The composition comprises an alumina, a metal oxide, a phosphorus oxide and optionally, an acid site modifier selected from the group consisting of silicon oxides, sulfur oxides, boron oxides, magnesium oxides, tin oxides, titanium oxides, zirconium oxides, molybdenum oxides, germanium oxides, indium oxides, lanthanum oxides, cesium oxides, and combinations of any two or more thereof. The process comprises contacting a fluid which comprises a C.sub.9 + aromatic compound with the catalyst composition under a condition sufficient to effect the conversion of a C.sub.9 + aromatic compound to a C.sub.6 to C.sub.8 aromatic hydrocarbon.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: March 14, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Zeolite material, a process of making such zeolite material, a product from such process, and the use thereof in the conversion of hydrocarbons
    Patent number: 6037294
    Abstract: A process for making an improved zeolite catalyst composition comprising acid-treating a zeolite to provide an acid-treated zeolite, ion-exchanging the ions of such acid-treated zeolite with ions of zinc and at least one other metal in the presence of an ion-exchange medium, and then treating such acid-treated, ion-exchanged zeolite in a steam atmosphere. An improved zeolite catalyst composition made by such process is also disclosed. Processes are also disclosed for using the improved zeolite catalyst composition, made by the novel process, in the conversion of hydrocarbons, preferably non-aromatic hydrocarbons, to lower olefins (such as ethylene and propylene) and aromatic hydrocarbons (such as benzene, toluene, and xylene).
    Type: Grant
    Filed: April 15, 1998
    Date of Patent: March 14, 2000
    Assignee: Phillips Petroleum Company
    Inventors: Charles A. Drake, An-hsiang Wu
  • Zeolite-based catalyst material, the preparation thereof and the use thereof
    Patent number: 6034020
    Abstract: A process for producing catalyst compositions for converting a cracked gasoline feedstock to a product that is principally lower olefins. The catalyst compositions produced thereby. A process for converting a cracked gasoline feedstock to a product that is principally lower olefins.
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: March 7, 2000
    Assignee: Phillips Petroleum Company
    Inventors: Charles A. Drake, An-hsiang Wu
  • Hydrocarbon conversion catalyst composition and processes therefor and therewith
    Patent number: 6025294
    Abstract: A catalyst composition, a process for producing the composition and a hydrocarbon conversion process for converting a C.sub.9 + aromatic compound to a C.sub.6 to C.sub.8 aromatic hydrocarbon such as a xylene are disclosed. The composition comprises a zeolite having impregnated thereon a activity promoter selected from the group consisting of molybdenum, molybdenum oxides, lanthanum, lanthanum oxides, and combinations of two or more thereof. The composition can be produced by incorporating the activity promoter into the zeolite. The hydrocarbon conversion process comprises contacting a fluid which comprises a C.sub.9 + aromatic compound with the catalyst composition under a condition sufficient to effect the conversion of a C.sub.9 + aromatic compound to a C.sub.6 to C.sub.8 aromatic hydrocarbon.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: February 15, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Hydrocarbon conversion catalyst composition and processes therefor and therewith
    Patent number: 6025293
    Abstract: A catalyst composition, a process for producing the composition and a hydrocarbon conversion process for converting a C.sub.9 + aromatic compound to a C.sub.6 to C.sub.8 aromatic hydrocarbon such as a xylene are disclosed. The composition comprises an acid-treated zeolite having impregnated thereon a metal or metal oxide. The composition can be produced by incorporating the metal or metal oxide into the zeolite. The hydrocarbon conversion process comprises contacting a fluid which comprises a C.sub.9 + aromatic compound with the catalyst composition under a condition sufficient to effect the conversion of a C.sub.9 + aromatic compound to a C.sub.6 to C.sub.8 aromatic hydrocarbon.
    Type: Grant
    Filed: March 9, 1999
    Date of Patent: February 15, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Ralph J. Melton, Charles A. Drake
  • Hydrotreating catalyst composition and processes therefor and therewith
    Patent number: 6017840
    Abstract: A catalyst composition and a process for converting a hydrocarbon stream such as, for example, a C.sub.9 +aromatic compound to C.sub.6 to C.sub.8 aromatic hydrocarbons such as xylenes are disclosed. The catalyst composition comprises an aluminosilicate, and a metal wherein the weight ratio of aluminum to silicon is in the range of from about 0.002:1 to about 0.6:1. The process comprises contacting a hydrocarbon stream with the catalyst composition under a condition sufficient to effect the conversion of a hydrocarbon to a C.sub.6 to C.sub.8 aromatic hydrocarbon.
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: January 25, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Hydrocarbon conversion with dual metal promoted zeolite
    Patent number: 6017442
    Abstract: A catalyst composition contains a zeolite, cerium or cerium oxide, and a Group VIII metal or metal oxide. The composition is produced by contacting the zeolite with compounds of the metals and then heat-treating the metals-containing zeolite. Hydrocarbons are converted to C.sub.6 -C.sub.8 aromatic hydrocarbons by contacting the hydrocarbons with the catalyst composition at conversion conditions.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: January 25, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Hydrocarbon conversion catalyst composition and processes therefor and therewith
    Patent number: 6017844
    Abstract: A catalyst composition and a process for using of the catalyst composition in a hydrocarbon conversion process are disclosed. The composition comprises an inorganic support, a Group VA metal or metal oxide, and optionally a Group IVA metal or metal oxide and a Group VIII metal or metal oxide. The process comprises contacting a fluid which comprises at least one saturated hydrocarbon with the catalyst composition under a condition sufficient to effect the conversion of the hydrocarbon to an olefin. Also disclosed is a process for producing the catalyst composition.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: January 25, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Process to convert propane into ethylene propene and C.sub.4 olefins
    Patent number: 6015931
    Abstract: A process to convert propane into ethylene, propene, and C.sub.4 olefins, is provided. This process comprises: contacting propane with a composition under converting conditions.
    Type: Grant
    Filed: October 27, 1998
    Date of Patent: January 18, 2000
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Toluene disproportionation process using a zeolite/tungsten carbide catalyst
    Patent number: 6013849
    Abstract: Catalysts that are zeolite-based and contain tungsten carbide. A tungsten carbide/zeolite catalyst useful in the disproportionation of sulfur containing toluene. A method for preparing a tungsten carbide/zeolite catalyst. A method for disproportionation of sulfur-containing toluene in the presence of a tungsten carbide/zeolite catalyst. An acid-leached zeolite impregnated with tungsten carbide as a catalyst composition for use in converting hydrocarbons. A method for preparing a catalyst composition of acid-leached zeolite impregnated with tungsten carbide. A method for contacting a hydrocarbon feedstock with a catalyst composition of acid-leached zeolite impregnated with tungsten carbide under conditions for converting the hydrocarbons.
    Type: Grant
    Filed: December 28, 1998
    Date of Patent: January 11, 2000
    Assignee: Phillips Petroleum Company
    Inventors: Charles A. Drake, An-hsiang Wu