Patents by Inventor Paul F. Keusenkothen

Paul F. Keusenkothen 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).

  • Hydrocarbon conversion to ethylene
    Patent number: 9809506
    Abstract: The invention relates to a hydrocarbon conversion process and a reactor configured to carry out the hydrocarbon conversion process. The hydrocarbon conversion process is directed to increasing the overall equilibrium production of ethylene from typical pyrolysis reactions. The hydrocarbon conversion process can be carried out by exposing a hydrocarbon feed to a peak pyrolysis gas temperature in a reaction zone in the range of from 850° C. to 1200° C.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: November 7, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Frank Hershkowitz, Paul F. Keusenkothen, Ian J. Laurenzi
  • Reactor components
    Patent number: 9809759
    Abstract: The present disclosure relates to reactor components and their use, e.g., in regenerative reactors. A process and apparatus for utilizing different wetted areas along the flow path of a fluid in a pyrolysis reactor, e.g., a thermally regenerating reactor, such as a regenerative, reverse-flow reactor, is described.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: November 7, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Paul F. Keusenkothen, Frank Hershkowitz, Gary D. Mohr, Changmin Chun, Jeffrey W. Frederick
  • Method and apparatus for converting hydrocarbons into olefins
    Patent number: 9809508
    Abstract: An apparatus and method are provided for processing hydrocarbon feeds. The method may pass a pyrolysis feed to a thermal pyrolysis reactor and expose at least a portion of the pyrolysis feed to high-severity operating conditions in a thermal pyrolysis reactor, wherein the thermal pyrolysis reactor is operated at operating conditions that include pressure ?36 psig and provide a reactor product that has a C3+ to C2 unsaturate weight ratio ?0.5.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: November 7, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Paul F. Keusenkothen, Frank Hershkowitz
  • Oxygenate synthesis and homologation
    Patent number: 9809519
    Abstract: The invention relates to processes for oxygenate synthesis and homologation, to equipment and materials useful in such processes, and to the use of such oxygenate for producing olefin and polyolefin.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: November 7, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Monica D. Lotz, Paul F. Keusenkothen, Michael Salciccioli
  • Catalytic Aromatization
    Publication number: 20170305812
    Abstract: The invention relates to catalytic aromatization, e.g., for the conversion of non-aromatic hydrocarbon to higher-value aromatic hydrocarbon, to catalysts useful for such aromatization, to methods for making such catalysts, and to systems and apparatus for carrying out aromatization in the presence of the catalyst.
    Type: Application
    Filed: March 27, 2017
    Publication date: October 26, 2017
    Inventors: Paul F. Keusenkothen, Samia IIias, John Scott Buchanan, Mayank Shekhar, Reyyan Koc-Karabocek, Teng Xu
  • Hydrocarbon dehydrocyclization in the presence of carbon dioxide
    Patent number: 9796643
    Abstract: The invention relates to converting non-aromatic hydrocarbon in the presence of CO2 to produce aromatic hydrocarbon. CO2 methanation using molecular hydrogen produced during the aromatization increases aromatic hydrocarbon yield. The invention also relates to equipment and materials useful in such upgrading, to processes for carrying out such upgrading, and to the use of such processes for, e.g., natural gas upgrading.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: October 24, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John S. Buchanan, Paul F. Keusenkothen, David W. Maher, Jaime A. Valencia
  • Production of C olefins
    Patent number: 9790145
    Abstract: This disclosure relates to the production of C2+ olefins from feeds containing methane and at least one co-reactant, to equipment and materials useful in such processes, and to the use of such olefins in, for example, the production of polymers.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: October 17, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Paul F. Keusenkothen, Juan D. Henao
  • Conversion of acetylene and methanol to aromatics
    Patent number: 9783463
    Abstract: Methods are provided for forming aromatic compounds from a highly unsaturated aliphatic feeds optionally in combination with methanol. The method can include dehydrogenating a feed containing at least about 50 vol % C1-C4 alkanes under dehydrogenation conditions to form a dehydrogenation effluent containing at least about 25 vol % alkynes. Alternatively, other sources of alkyne-containing feeds can be used. At least a portion of the alkyne-containing feed can then be converted under effective conversion conditions to form a conversion effluent comprising a hydrocarbon product containing aromatic compounds.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: October 10, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Frank Hershkowitz, Stephen H. Brown, Paul F. Keusenkothen, Tilman W. Beutel, Stephen J. McCarthy, Michel Daage, Rohit Vijay, Samia Ilias
  • Hydrocarbon Conversion
    Publication number: 20170247299
    Abstract: This invention relates to the conversion of substantially-saturated hydrocarbon to higher-value hydrocarbon products such as aromatics and/or oligomers, to equipment and materials useful in such conversion, and to the use of such conversion for, e.g., natural gas upgrading.
    Type: Application
    Filed: May 12, 2017
    Publication date: August 31, 2017
    Inventors: Juan D. Henao, Paul F. Keusenkothen, Abhimanyu O. Patil
  • Hydrocarbon Conversion
    Publication number: 20170247300
    Abstract: This disclosure relates to the conversion of methane to higher molecular weight (C5+) hydrocarbon, including aromatic hydrocarbon, to materials and equipment useful in such conversion, and to the use of such conversion for, e.g., natural gas upgrading.
    Type: Application
    Filed: May 12, 2017
    Publication date: August 31, 2017
    Inventors: Paul F. Keusenkothen, Juan D. Henao, Abhimanyu O. Patil, Guang Cao
  • Production of xylenes from syngas
    Patent number: 9714386
    Abstract: This disclosure relates to the production of xylenes from syngas, in which the syngas is converted to an aromatic product by reaction with an isosynthesis catalyst and an aromatization catalyst. The isosynthesis catalyst and aromatization catalyst may be different catalysts or combined into a single catalyst. The aromatic product is then subjected to one of more of (i) xylene isomerization, (ii) transalkylation with at least one C9+ aromatic hydrocarbon, and (iii) alkylation with methanol and/or carbon monoxide and hydrogen to increase its p-xylene content.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: July 25, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Paul F. Keusenkothen, Juan D. Henao
  • Reactor components
    Patent number: 9707536
    Abstract: The present disclosure relates to insulation components and their use, e.g., in regenerative reactors. Specifically, a process and apparatus for managing temperatures from oxidation and pyrolysis reactions in a reactor, e.g., a thermally regeneratating reactor, such as a regenerative, reverse-flow reactor is described in relation to the various reactor components.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: July 18, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: ChangMin Chun, Frank Hershkowitz, Paul F. Keusenkothen, Robert L. Antram
  • Method and apparatus for converting hydrocarbons into olefins using hydroprocessing and thermal pyrolysis
    Patent number: 9708231
    Abstract: An apparatus and method are provided for processing hydrocarbon feeds. The method may contact hydrogen (H2) and a hydrocarbon feed containing ?10 wt % resid in the hydrocarbon feed with a catalyst to form a hydroprocessed product. Then, a pyrolysis feed derived from the hydroprocessed product is exposed at high-severity thermal pyrolysis operating conditions to produce a reactor product that comprises ethylene and acetylene. Further, at least a portion of the hydrogen (H2) may be separated from the reactor product, wherein the hydrogen (H2) contacting the catalyst includes at least a portion of the separated hydrogen (H2).
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: July 18, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Paul F. Keusenkothen, Frank Hershkowitz
  • Method and apparatus for converting hydrocarbons into olefins
    Patent number: 9708232
    Abstract: An apparatus and method are provided for processing hydrocarbon feeds. The method enhances the conversion of hydrocarbon feeds into conversion products, such as ethylene. In particular, the present techniques utilize a high-severity thermal pyrolysis reactor that exposes a feed at a peak pyrolysis gas temperature ?1540° C. to produce a reactor product comprising ethylene and acetylene and has a C3+ to acetylene weight ratio ?0.5. Then, the method separates a product comprising tars and/or solids from at least a portion of the reactor product and converts at least a portion of the remaining reactor product into a conversion product, such as ethylene.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: July 18, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Paul F. Keusenkothen, Frank Hershkowitz, Gary D. Mohr
  • Ethanol production via dimethylether recycle
    Patent number: 9695097
    Abstract: This invention relates to a process for producing ethanol comprises supplying a feed comprising carbon monoxide, hydrogen and dimethyl ether to a reaction zone operated under conditions such that (i) part of the carbon monoxide in the feed reacts with part of the hydrogen in the feed to produce methanol; (ii) part of the carbon monoxide in the feed reacts with at least part of the dimethyl ether in the feed to produce methyl acetate; and (iii) part of the hydrogen in the feed reacts with at least part of the methyl acetate produced in (ii) to produce an effluent comprising methanol and ethanol. At least part of the ethanol is recovered from the effluent and at least part of the methanol is dehydrated to produce dimethyl ether, which is recycled to the reaction zone.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: July 4, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Michael Salciccioli, James H. Beech, Jr., Ranjita Ghose, Paul F. Keusenkothen, Meha Rungta
  • Hydrocarbon conversion
    Patent number: 9682899
    Abstract: This invention relates to the conversion of substantially-saturated hydrocarbon to higher-value hydrocarbon products such as aromatics and/or oligomers, to equipment and materials useful in such conversion, and to the use of such conversion for, e.g., natural gas upgrading.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: June 20, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Juan D. Henao, Paul F. Keusenkothen, Abhimanyu O. Patil
  • Hydrocarbon conversion
    Patent number: 9682900
    Abstract: This disclosure relates to the conversion of methane to higher molecular weight (C5+) hydrocarbon, including aromatic hydrocarbon, to materials and equipment useful in such conversion, and to the use of such conversion for, e.g., natural gas upgrading.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: June 20, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Paul F. Keusenkothen, Juan D. Henao, Abhimanyu O. Patil, Guang Cao
  • Process and apparatus for converting hydrocarbons
    Patent number: 9677014
    Abstract: An apparatus and process are provided for processing hydrocarbon feeds. The process enhances the conversion of hydrocarbon feeds into conversion products, such as ethylene and propylene. In particular, the present techniques utilize two high-severity pyrolysis reactors integrated with another reactor type to convert hydrocarbons to other petrochemical products. The pyrolysis reactors recycle a portion of one of the reactor products to at least one of the pyrolysis reactors to further enhance the process.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: June 13, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Paul F. Keusenkothen, Frank Hershkowitz
  • Method and apparatus for managing hydrogen content through the conversion of hydrocarbons into olefins
    Patent number: 9676681
    Abstract: An apparatus and method are provided for processing hydrocarbon feeds. The method enhances the conversion of hydrocarbon feeds into conversion products, such as ethylene and propylene. In particular, the present techniques combine a first hydrocarbon feed with a second hydrocarbon feed and a hydrogen (H2) containing stream to manage the hydrogen content of the feed provided to a pyrolysis reactor. The mixture is then exposed to high-severity operating conditions in a pyrolysis reactor and further processing into desired olefins.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: June 13, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Paul F. Keusenkothen, Frank Hershkowitz, Jason D. Davis, Gary D. Mohr
  • Hydrocarbon conversion process
    Patent number: 9663419
    Abstract: The invention relates to processes for converting a mixture of hydrocarbon and sulfur-containing molecules such as mercaptans into products comprising acetylene, ethylene, and hydrogen sulfide, to processes utilizing the acetylene and ethylene resulting from the conversion, and to equipment useful for such processes.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: May 30, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Paul F. Keusenkothen, Frank Hershkowitz, Robert D. Denton, Gary D. Mohr