Patents by Inventor Travis C. Bowen

Travis C. Bowen 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).

  • Patent number: 10577539
    Abstract: A process for deoxygenating a pyrolysis oil stream comprises purposely limiting complete deoxygenation of the pyrolysis oil stream having a high oxygenate concentration to provide a hydrotreated pyrolysis oil stream that is sufficiently reduced in oxygenate content to mix with oil. By not fully deoxygenating the pyrolysis oil stream, the deoxygenation reaction can be run with little risk of undesirable polymerization reactions plugging the reactor.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: March 3, 2020
    Assignee: UOP LLC
    Inventors: Michael J. Brodeur-Campbell, Travis C. Bowen
  • Publication number: 20190338194
    Abstract: A process for deoxygenating a pyrolysis oil stream comprises purposely limiting complete deoxygenation of the pyrolysis oil stream having a high oxygenate concentration to provide a hydrotreated pyrolysis oil stream that is sufficiently reduced in oxygenate content to mix with oil. By not fully deoxygenating the pyrolysis oil stream, the deoxygenation reaction can be run with little risk of undesirable polymerization reactions plugging the reactor.
    Type: Application
    Filed: May 2, 2018
    Publication date: November 7, 2019
    Inventors: Michael J. Brodeur-Campbell, Travis C. Bowen
  • Patent number: 9637586
    Abstract: The present invention provided a high temperature resistant epoxy resins for producing hollow fiber membrane modules for high temperature gas separation applications such as for natural gas upgrading and hydrogen purifications. This invention also relates to a hollow fiber membrane module comprising a bundle of multiple high performance hollow fiber membranes and a tube sheet formed by a high temperature resistant cured epoxy resin that is used to fix and bound said bundle of multiple high performance hollow fiber membranes. The invention also provides a process for separating at least one gas from a mixture of gases using the hollow fiber membrane modules comprising a bundle of multiple high performance hollow fiber membranes and a tube sheet formed by a high temperature resistant cured epoxy resin that is used to fix and bound said bundle of multiple high performance hollow fiber membranes.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: May 2, 2017
    Assignee: UOP LLC
    Inventors: Chunqing Liu, Howie Q. Tran, Travis C. Bowen
  • Patent number: 9452383
    Abstract: One exemplary embodiment is a membrane separation element. The membrane separation element can include a membrane and a feed spacer positioned adjacent to the membrane. The feed spacer may include a first layer, a second layer, and a third layer. Usually, a plurality of fibers of the second layer only touches a plurality of fibers of the first and third layers.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: September 27, 2016
    Assignee: UOP LLC
    Inventors: Travis C. Bowen, Parag Jain, Ram Ganesh Rokkam
  • Publication number: 20160236151
    Abstract: The present invention provided a high temperature resistant epoxy resins for producing hollow fiber membrane modules for high temperature gas separation applications such as for natural gas upgrading and hydrogen purifications. This invention also relates to a hollow fiber membrane module comprising a bundle of multiple high performance hollow fiber membranes and a tube sheet formed by a high temperature resistant cured epoxy resin that is used to fix and bound said bundle of multiple high performance hollow fiber membranes. The invention also provides a process for separating at least one gas from a mixture of gases using the hollow fiber membrane modules comprising a bundle of multiple high performance hollow fiber membranes and a tube sheet formed by a high temperature resistant cured epoxy resin that is used to fix and bound said bundle of multiple high performance hollow fiber membranes.
    Type: Application
    Filed: February 12, 2015
    Publication date: August 18, 2016
    Inventors: Chunqing Liu, Howie Q. Tran, Travis C. Bowen
  • Patent number: 9328294
    Abstract: One exemplary embodiment can be a process for extracting sulfur compounds in a hydrocarbon stream. The process can include feeding a hydrocarbon stream containing sulfur compounds to a prewash zone containing an alkali, withdrawing a prewashed hydrocarbon stream from the prewash zone, and feeding the prewashed hydrocarbon stream to a mass transfer zone for extracting one or more thiol compounds from the prewashed hydrocarbon stream. Often, the mass transfer zone includes a hollow fiber membrane contactor.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: May 3, 2016
    Assignee: UOP LLC
    Inventors: Jonathan Andrew Tertel, Aziz Sattar, Travis C. Bowen, George K. Xomeritakis
  • Patent number: 9238194
    Abstract: The present invention involves a type of nanoporous macrocycle-containing cross-linked polymeric membrane, a method of making the membrane, and the use of such a novel membrane system for natural gas liquids (NGL) recovery, fuel gas conditioning, natural gas pre-treatment, sulfur removal from fluidized catalytic cracking (FCC) and other naphtha streams, as well as aromatic separations such as aromatic/paraffin separation and xylene separation. The nanoporous macrocycle-containing cross-linked polymeric membrane is prepared from a diisocyanate-terminated polyether or a diisocyanate-terminated polyester, that is crosslinked with a nanoporous macrocycle comprising hydroxyl functional groups such as ?-, ?-, and ?-cyclodextrins.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: January 19, 2016
    Assignee: UOP LLC
    Inventors: Chunqing Liu, Howie Q. Tran, Nicole K. Karns, Travis C. Bowen
  • Publication number: 20150314231
    Abstract: One exemplary embodiment is a membrane separation element. The membrane separation element can include a membrane and a feed spacer positioned adjacent to the membrane. The feed spacer may include a first layer, a second layer, and a third layer. Usually, a plurality of fibers of the second layer only touches a plurality of fibers of the first and third layers.
    Type: Application
    Filed: April 30, 2014
    Publication date: November 5, 2015
    Applicant: UOP, LLC
    Inventors: Travis C. Bowen, Parag Jain, Ram Ganesh Rokkam
  • Publication number: 20150273389
    Abstract: The present invention involves a type of nanoporous macrocycle-containing cross-linked polymeric membrane, a method of making the membrane, and the use of such a novel membrane system for natural gas liquids (NGL) recovery, fuel gas conditioning, natural gas pre-treatment, sulfur removal from fluidized catalytic cracking (FCC) and other naphtha streams, as well as aromatic separations such as aromatic/paraffin separation and xylene separation. The nanoporous macrocycle-containing cross-linked polymeric membrane is prepared from a diisocyanate-terminated polyether or a diisocyanate-terminated polyester, that is crosslinked with a nanoporous macrocycle comprising hydroxyl functional groups such as ?-, ?-, and ?-cyclodextrins.
    Type: Application
    Filed: March 31, 2014
    Publication date: October 1, 2015
    Applicant: UOP LLC
    Inventors: Chunqing Liu, Howie Q. Tran, Nicole K. Karns, Travis C. Bowen
  • Patent number: 8912288
    Abstract: The present invention discloses a new type of polyimide membrane with high permeances and high selectivities for gas separations and particularly for CO2/CH4 and H2/CH4 separations. The polyimide membranes have CO2 permeability of 50 Barrers or higher and single-gas selectivity for CO2/CH4 of 15 or higher at 50° C. under 791 kPa for CO2/CH4 separation. The polyimide membranes have UV cross-linkable functional groups and can be used for the preparation of UV cross-linked polyimide membranes having CO2 permeability of 20 Barrers or higher and single-gas selectivity for CO2/CH4 of 35 or higher at 50° C. under 791 kPa for CO2/CH4 separation.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: December 16, 2014
    Assignee: UOP LLC
    Inventors: Chunqing Liu, Travis C. Bowen, Emily G. Harbert, Raisa Minkov, Syed A. Faheem, Zara Osman
  • Patent number: 8814982
    Abstract: The present invention discloses a new type of high selectivity UV-cross-linked tetrazole group functionalized polymer nanosieve (TZPIM) membranes, their preparation, as well as their use for gas and liquid separations. The UV-cross-linked TZPIM membrane showed more than 50% improvement in CO2/CH4 selectivity and more than 30% improvement in CO2/N2 selectivity compared to the uncross-linked TZPIM membrane for CO2/CH4 and CO2/N2 separations, respectively.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: August 26, 2014
    Assignee: UOP LLC
    Inventors: Chunqing Liu, Mark E. Schott, Travis C. Bowen
  • Patent number: 8710173
    Abstract: The present invention discloses a new type of polyimide membrane with high permeances and high selectivities for gas separations and particularly for CO2/CH4 and H2/CH4 separations. The polyimide membranes have CO2 permeability of 50 Barrers or higher and single-gas selectivity for CO2/CH4 of 15 or higher at 50° C. under 791 kPa for CO2/CH4 separation. The polyimide membranes have UV cross-linkable functional groups and can be used for the preparation of UV cross-linked polyimide membranes having CO2 permeability of 20 Barrers or higher and single-gas selectivity for CO2/CH4 of 35 or higher at 50° C. under 791 kPa for CO2/CH4 separation.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: April 29, 2014
    Assignee: UOP LLC
    Inventors: Chunqing Liu, Travis C. Bowen, Emily G. Harbert, Raisa Minkov, Syed A. Faheem, Zara Osman
  • Patent number: 8704030
    Abstract: The present invention discloses a new type of polyimide membrane with high permeances and high selectivities for gas separations and particularly for CO2/CH4 and H2/CH4 separations. The polyimide membranes have CO2 permeability of 50 Barrers or higher and single-gas selectivity for CO2/CH4 of 15 or higher at 50° C. under 791 kPa for CO2/CH4 separation. The polyimide membranes have UV cross-linkable functional groups and can be used for the preparation of UV cross-linked polyimide membranes having CO2 permeability of 20 Barrers or higher and single-gas selectivity for CO2/CH4 of 35 or higher at 50° C. under 791 kPa for CO2/CH4 separation.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: April 22, 2014
    Assignee: UOP LLC
    Inventors: Chunqing Liu, Travis C. Bowen, Emily G. Harbert, Raisa Minkov, Syed A. Faheem, Zara Osman
  • Publication number: 20140066682
    Abstract: One exemplary embodiment can be a process for extracting sulfur compounds in a hydrocarbon stream. The process can include feeding a hydrocarbon stream containing sulfur compounds to a prewash zone containing an alkali, withdrawing a prewashed hydrocarbon stream from the prewash zone, and feeding the prewashed hydrocarbon stream to a mass transfer zone for extracting one or more thiol compounds from the prewashed hydrocarbon stream. Often, the mass transfer zone includes a hollow fiber membrane contactor.
    Type: Application
    Filed: September 4, 2012
    Publication date: March 6, 2014
    Applicant: UOP, LLC
    Inventors: Jonathan Andrew Tertel, Aziz Sattar, Travis C. Bowen, George K. Xomeritakis
  • Patent number: 8614288
    Abstract: The present invention discloses a new type of polyimide membrane with high permeances and high selectivities for gas separations and particularly for CO2/CH4 and H2/CH4 separations. The polyimide membranes have CO2 permeability of 50 Barrers or higher and single-gas selectivity for CO2/CH4 of 15 or higher at 50° C. under 791 kPa for CO2/CH4 separation. The polyimide membranes have UV cross-linkable functional groups and can be used for the preparation of UV cross-linked polyimide membranes having CO2 permeability of 20 Barrers or higher and single-gas selectivity for CO2/CH4 of 35 or higher at 50° C. under 791 kPa for CO2/CH4 separation.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: December 24, 2013
    Assignee: UOP LLC
    Inventors: Chunqing Liu, Travis C. Bowen, Emily G. Harbert, Raisa Minkov, Syed A. Faheem, Zara Osman
  • Patent number: 8366804
    Abstract: The present invention discloses a new type of polyimide membranes including hollow fiber and flat sheet membranes with high permeances for air separations and a method of making these membranes. The new polyimide hollow fiber membranes have O2 permeance higher than 300 GPU and O2/N2 selectivity higher than 3 at 60° C. under 308 kPa for O2/N2 separation. The new polyimide hollow fiber membranes also have CO2 permeance higher than 1000 GPU and single-gas selectivity for CO2/CH4 higher than 20 at 50° C. under 791 kPa for CO2/CH4 separation.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: February 5, 2013
    Assignee: UOP LLC
    Inventors: Chunqing Liu, Raisa Minkov, Syed A. Faheem, Travis C. Bowen, Jeffrey J. Chiou
  • Publication number: 20120322646
    Abstract: The present invention discloses a new type of polyimide membrane with high permeances and high selectivities for gas separations and particularly for CO2/CH4 and H2/CH4 separations. The polyimide membranes have CO2 permeability of 50 Barrers or higher and single-gas selectivity for CO2/CH4 of 15 or higher at 50° C. under 791 kPa for CO2/CH4 separation. The polyimide membranes have UV cross-linkable functional groups and can be used for the preparation of UV cross-linked polyimide membranes having CO2 permeability of 20 Barrers or higher and single-gas selectivity for CO2/CH4 of 35 or higher at 50° C. under 791 kPa for CO2/CH4 separation.
    Type: Application
    Filed: October 21, 2011
    Publication date: December 20, 2012
    Applicant: UOP LLC
    Inventors: Chunqing Liu, Travis C. Bowen, Emily G. Harbert, Raisa Minkov, Syed A. Faheem, Zara Osman
  • Publication number: 20120323059
    Abstract: The present invention discloses a new type of polyimide membrane with high permeances and high selectivities for gas separations and particularly for CO2/CH4 and H2/CH4 separations. The polyimide membranes have CO2 permeability of 50 Barrers or higher and single-gas selectivity for CO2/CH4 of 15 or higher at 50° C. under 791 kPa for CO2/CH4 separation. The polyimide membranes have UV cross-linkable functional groups and can be used for the preparation of UV cross-linked polyimide membranes having CO2 permeability of 20 Barrers or higher and single-gas selectivity for CO2/CH4 of 35 or higher at 50° C. under 791 kPa for CO2/CH4 separation.
    Type: Application
    Filed: October 21, 2011
    Publication date: December 20, 2012
    Applicant: UOP LLC
    Inventors: Chunqing Liu, Travis C. Bowen, Emily G. Harbert, Raisa Minkov, Syed A. Faheem, Zara Osman
  • Publication number: 20120322911
    Abstract: The present invention discloses a new type of polyimide membrane with high permeances and high selectivities for gas separations and particularly for CO2/CH4 and H2/CH4 separations. The polyimide membranes have CO2 permeability of 50 Barrers or higher and single-gas selectivity for CO2/CH4 of 15 or higher at 50° C. under 791 kPa for CO2/CH4 separation. The polyimide membranes have UV cross-linkable functional groups and can be used for the preparation of UV cross-linked polyimide membranes having CO2 permeability of 20 Barrers or higher and single-gas selectivity for CO2/CH4 of 35 or higher at 50° C. under 791 kPa for CO2/CH4 separation.
    Type: Application
    Filed: October 21, 2011
    Publication date: December 20, 2012
    Applicant: UOP LLC.
    Inventors: Chunqing Liu, Travis C. Bowen, Emily G. Harbert, Raisa Minkov, Syed A. Faheem, Zara Osman
  • Publication number: 20120322119
    Abstract: The present invention discloses a new type of polyimide membrane with high permeances and high selectivities for gas separations and particularly for CO2/CH4 and H2/CH4 separations. The polyimide membranes have CO2 permeability of 50 Barrers or higher and single-gas selectivity for CO2/CH4 of 15 or higher at 50° C. under 791 kPa for CO2/CH4 separation. The polyimide membranes have UV cross-linkable functional groups and can be used for the preparation of UV cross-linked polyimide membranes having CO2 permeability of 20 Barrers or higher and single-gas selectivity for CO2/CH4 of 35 or higher at 50° C. under 791 kPa for CO2/CH4 separation.
    Type: Application
    Filed: October 21, 2011
    Publication date: December 20, 2012
    Applicant: UOP LLC
    Inventors: Chunqing Liu, Travis C. Bowen, Emily G. Harbert, Raisa Minkov, Syed A. Faheem, Zara Osman