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).

  • Hydrodealkylation of C9+ aromatic compounds
    Patent number: 5763721
    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: December 12, 1996
    Date of Patent: June 9, 1998
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Catalyst composition and processes therefor and therewith
    Patent number: 5714660
    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, and an acid site modifier selected from the group consisting of silicon oxides, phosphorus 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: August 29, 1996
    Date of Patent: February 3, 1998
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake, Ralph J. Melton
  • Catalyst composition and processes therefor and therewith
    Patent number: 5714659
    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, and a acid site modifier selected from the group consisting of silicon 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: August 29, 1996
    Date of Patent: February 3, 1998
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Hydrocarbon isomerization catalyst blend
    Patent number: 5707918
    Abstract: A Group VIII metal- and chloride-containing composition is prepared by a method which comprises mixing (A) a solid material containing at least one Group VIII metal (Pt and/or Pd and/or Ni) and alumina as the support and (B) an alumina-supported aluminum- and chlorine-containing compound which has been prepared by mixing an alumina material with AlCl.sub.3 and/or at least one organoaluminum chloride (such as ethylaluminum dichloride), heating the mixture at a temperature of about 600.degree.-750.degree. C. and then with an HCl-containing gas at a temperature of about 100.degree.-750.degree. C. The thus-obtained composition comprising components (A) and (B) is employed as a catalyst in the isomerization of C.sub.4 -C.sub.8 alkanes and/or cycloalkanes (e.g., n-butane).
    Type: Grant
    Filed: August 29, 1995
    Date of Patent: January 13, 1998
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake, Ralph J. Melton
  • Method of preparing isomerization catalyst composition
    Patent number: 5707921
    Abstract: A Group VIII metal- and chloride-containing composition (effective as an alkane/cycloalkane isomerization catalyst) is prepared by a method which comprises mixing at least one aluminum- and chlorine-containing compound (preferably AlCl.sub.3) with a solid material containing at least one Group VIII metal (Pt and/or Pd and/or Ni) and alumina, heating the obtained solid mixture in an inert gas, and then treating the solid mixture with a gas mixture comprising hydrogen gas and HCl and/or chloroalkane (such as CCl.sub.4).
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: January 13, 1998
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake, Ralph J. Melton
  • Hydrodealkylation catalyst composition and process therewith
    Patent number: 5698757
    Abstract: A composition which comprises a platinum-promoted zeolite and a gallium-promoted zeolite is disclosed. The composition can be used for converting a C.sub.9 + aromatic compound to a C.sub.6 to C.sub.8 aromatic hydrocarbon. Also disclosed is a process for converting a C.sub.9 + aromatic compound to a C.sub.6 to C.sub.8 aromatic hydrocarbons employing the composition.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: December 16, 1997
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Hydrodealkylation process
    Patent number: 5689026
    Abstract: A process for hydrodealkylating C.sub.9 -C.sub.12 alkyl-substituted benzenes (preferably trimethylbenzenes) to C.sub.6 -C.sub.8 aromatic hydrocarbons (in particular, toluene and xylenes) and C.sub.1 -C.sub.5 alkanes employs a catalyst containing zeolite Beta, nickel, molybdenum and sulfur (preferably as sulfides of nickel and of molybdenum).
    Type: Grant
    Filed: April 24, 1996
    Date of Patent: November 18, 1997
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake, Ralph J. Melton
  • Preparation of catalysts for alkane/cycloalkane isomerization
    Patent number: 5668074
    Abstract: A material which is effective as a catalyst for isomerizing alkanes and/or cycloalkanes is prepared by a method which comprises incorporating Nb and/or Ta into a reduced material comprising Pt and/or Pd on alumina, followed by heating in a non-reducing gas and heat-treatment with at least one fluoroalkane and/or chlorofluroalkane (preferably CClF.sub.3).
    Type: Grant
    Filed: July 12, 1995
    Date of Patent: September 16, 1997
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Method of preparing transalkylation catalyst
    Patent number: 5612274
    Abstract: A Group VIII metal-promoted zeolite (preferably Pt-promoted H-mordenite) is contacted with ammonium hexafluorosilicate and hydrogen gas at a temperature of about 100.degree.-450.degree. C. The obtained material is an effective catalyst for the transalkylation of aromatic hydrocarbons.
    Type: Grant
    Filed: April 4, 1995
    Date of Patent: March 18, 1997
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake
  • Preparation of isomerization catalyst composition
    Patent number: 5591689
    Abstract: A Group VIII metal and chloride-containing composition (effective as an alkane/cycloalkane isomerization catalyst) is prepared by a method which comprises mixing aluminum trichloride with a solid material containing at least one Group VIII metal (Pt and/or Pd and/or Ni) and alumina, heating the obtained mixture in an inert gas at about 450.degree.-750.degree. C., and then treating the mixture with a hydrogen chloride-containing gas at about 300.degree.-700.degree. C.
    Type: Grant
    Filed: June 23, 1995
    Date of Patent: January 7, 1997
    Assignee: Phillips Petroleum Company
    Inventors: An-hsiang Wu, Charles A. Drake, Ralph J. Melton
  • Polymers of 3 ethyl-1-hexene
    Patent number: 5536802
    Abstract: A new polymer and copolymer composition comprising 3-ethyl-1-hexene is provided, This new polymer composition of 3-ethyl-1-hexene homopolymer has a crystalline melting point of about 425.degree. C. to about 435.degree. C. and is particularly useful for applications requiring high temperatures, This new polymer and copolymer composition is produced by utilizing a catalyst comprising at least one transition metal and at least one organometallic halide compound.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: July 16, 1996
    Assignee: Phillips Petroleum Company
    Inventors: Phil M. Stricklen, Charles A. Drake
  • Process to make homopolymers of 3-ethyl-1-hexene
    Patent number: 5475068
    Abstract: A process to make a homopolymer wherein said homopolymer consists essentially of 3-ethyl-1-hexene, and wherein said homopolymer has a melting point in the range of about 425.degree. C. to about 435.degree..
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: December 12, 1995
    Assignee: Phillips Petroleum Company
    Inventors: Phil M. Stricklen, Charles A. Drake
  • Continuous process for the production of disulfides
    Patent number: 5202494
    Abstract: Process and apparatus for continuous production of disulfides by reacting at least one mercaptan and oxygen in the presence of a suitable catalyst selected from the group consisting of an alkaline earth metal oxide alone or in combination with an alkali metal oxide, on a refractory support, or a basic form of macroreticular polystyrene-divinyl benzene copolymer.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: April 13, 1993
    Assignee: Phillips Petroleum Company
    Inventors: John S. Roberts, Harold R. Hunt, Charles A. Drake
  • Alkali metal catalytic slurry composition
    Patent number: 5126306
    Abstract: A catalyst system composition and a dimerization process utilizing said catalyst system composition are disclosed. The catalyst system composition comprises at least one elemental alkali metal combined with at least one particulate solid, and optionally a promoter, to form a slurry. This catalyst system is contacted with at least one olefin in order to produce a dimerized product.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: June 30, 1992
    Assignee: Phillips Petroleum Company
    Inventors: Charles A. Drake, Lori C. Hasselbring
  • Catalyst supports, catalyst systems, and olefin dimerization
    Patent number: 5118900
    Abstract: Catalyst systems, methods for the preparation thereof, and olefin dimerization processes therewith are provided. Catalyst systems comprise at least one alkali metal hydroxide supported on a low-sodium, type Y zeolite.
    Type: Grant
    Filed: August 23, 1991
    Date of Patent: June 2, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Alkali metal and alkali metal carbonate catalytic systems and catalytic processes
    Patent number: 5118901
    Abstract: Catalyst systems containing a catalyst and catalyst support are presented. The catalyst comprises elemental alkali metal and a metal oxide where the metal in the oxide comes from the lanthanide series. Optionally, a promoter is included in the catalyst. The catalyst support comprises an alkali metal carbonate with optionally a carbonaceous compound. This catalyst system can be used to reduce isomerization losses associated with the production of higher alpha-olefins from lower alpha-olefins.
    Type: Grant
    Filed: June 17, 1991
    Date of Patent: June 2, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Dimerization process and catalysts therefor
    Patent number: 5118902
    Abstract: Catalyst supports, catalyst systems, methods for the preparation thereof, in dimerization processes therewith are provided. Catalyst supports are prepared from alkali metal carbonate, at least one low surface area silica-alumina, and a liquid. Catalyst systems comprised of at least one elemental alkali metal deposited on the catalyst support. Optionally, the catalyst system further comprises of at least one promoter.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: June 2, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Dimerization process and catalysts therefor
    Patent number: 5112791
    Abstract: Catalyst supports, catalyst systems, methods for the preparation thereof, in dimerization processes therewith are provided. Catalyst supports are prepared from alkali metal carbonate, at least one low surface area silica-alumina, and a liquid. Catalyst systems comprised of at least one elemental alkali metal deposited on the catalyst support. Optionally, the catalyst system further comprises of at least one promoter.
    Type: Grant
    Filed: August 27, 1990
    Date of Patent: May 12, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Alkali metal bicarbonate/alkali metal carbonate support, catalyst system, and olefin dimerization processes therewith
    Patent number: 5105050
    Abstract: Catalyst supports, catalyst systems, methods for the preparation thereof, in dimerization processes therewith are provided. Catalyst supports are prepared from alkali metal bicarbonate, a liquid, and optionally alkali metal carbonate. Optionally, the catalyst support further comprises a carbonaceous compound. Catalyst systems comprise at least one elemental alkali metal deposited on the catalyst support. Optionally, the catalyst system further comprises at least one promoter.
    Type: Grant
    Filed: July 25, 1991
    Date of Patent: April 14, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake
  • Alkali metal bicarbonate/alkali metal carbonate support, catalyst system, and olefin dimerization processes therewith
    Patent number: 5081094
    Abstract: Catalyst supports, catalyst systems, methods for the preparation thereof, in dimerization processes therewith are provided. Catalyst supports are prepared from alkali metal bicarbonate, a liquid, and optionally alkali metal carbonate. Optionally, the catalyst support further comprises a carbonaceous compound. Catalyst systems comprise at least one elemental alkali metal deposited on the catalyst support. Optionally, the catalyst system further comprises of at least one promoter.
    Type: Grant
    Filed: August 10, 1990
    Date of Patent: January 14, 1992
    Assignee: Phillips Petroleum Company
    Inventor: Charles A. Drake