Patents by Inventor Gregory J. DeMartin

Gregory J. DeMartin 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: 9498738
    Abstract: Systems and methods are provided for performing field enhanced separations on a feed, such as a petroleum feed, a refinery feed, or another type of hydrocarbonaceous feed. The system can allow for increased throughput of feed per volume of the separation device or system while performing a desired amount of field enhanced separation. The field enhanced separation can include separation by thermal diffusion, optionally enhanced by the presence of an electric field in the channel for performing the separation by thermal diffusion.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: November 22, 2016
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Amar S. Wanni, Lei Zhang, Jason M. McMullan, Gregory J. DeMartin, Michel Daage
  • Patent number: 9359565
    Abstract: Systems and methods are provided for using field enhanced separations to produce multiple fractions from a petroleum input. A liquid thermal diffusion and/or electric field separation is used to produce the fractions. The fractions can then be used to form multiple outputs that share a first feature while being different with regard to a second feature. For example, a first fraction from the plurality of fractions can have a desired value for a first property such as viscosity index. Two or more additional fractions from the plurality of fractions can then be blended together to make a blended fraction or output. The blended fraction can have a value for the first property that is substantially similar to the value for the first fraction. However, for a second property, the first fraction and the blended fraction can have distinct values. As a result, multiple output fractions can be formed that share a first feature but differ in a second feature.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: June 7, 2016
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Krista Marie Prentice, Jason M. McMullan, Michel Daage, Gregory J. DeMartin, John Stephen Szobota, Ronald M. Gould, Anastasios Ioannis Skoulidas, Ajit Bhaskar Dandekar, Patrick Loring Hanks, Charles Lambert Baker, Jr., Lei Zhang, X B Cox, III
  • Publication number: 20160016097
    Abstract: Systems and methods are provided for performing field enhanced separations on a feed, such as a petroleum feed, a refinery feed, or another type of hydrocarbonaceous feed. The system can allow for increased throughput of feed per volume of the separation device or system while performing a desired amount of field enhanced separation. The field enhanced separation can include separation by thermal diffusion, optionally enhanced by the presence of an electric field in the channel for performing the separation by thermal diffusion.
    Type: Application
    Filed: July 18, 2014
    Publication date: January 21, 2016
    Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Amar S. Wanni, Lei Zhang, Jason M. McMullan, Gregory J. DeMartin, Michel Daage
  • Publication number: 20140197071
    Abstract: Systems and methods are provided for using field enhanced separations to produce multiple fractions from a petroleum input. A liquid thermal diffusion and/or electric field separation is used to produce the fractions. The fractions can then be used to form multiple outputs that share a first feature while being different with regard to a second feature. For example, a first fraction from the plurality of fractions can have a desired value for a first property such as viscosity index. Two or more additional fractions from the plurality of fractions can then be blended together to make a blended fraction or output. The blended fraction can have a value for the first property that is substantially similar to the value for the first fraction. However, for a second property, the first fraction and the blended fraction can have distinct values. As a result, multiple output fractions can be formed that share a first feature but differ in a second feature.
    Type: Application
    Filed: December 18, 2013
    Publication date: July 17, 2014
    Applicant: ExxonMobil Research and Engineering Company
    Inventors: Krista M. Prentice, Jason M. McMullan, Michel Daage, Gregory J. DeMartin, John Stephen Szobota, Ronald M. Gould, Anastasios Ioannis Skoulidas, Ajit Bhaskar Dandekar, Patrick Loring Hanks, Charles Lambert Baker, JR., Lei Zhang, X B. Cox, III
  • Publication number: 20140197075
    Abstract: Systems and methods are provided for using field enhanced separations to produce multiple fractions from a petroleum input. A liquid thermal diffusion and/or electric field separation is used to produce the fractions. The fractions can then be used to form multiple outputs that share a first feature while being different with regard to a second feature. For example, a first fraction from the plurality of fractions can have a desired value for a first property such as viscosity index. Two or more additional fractions from the plurality of fractions can then be blended together to make a blended fraction or output. The blended fraction can have a value for the first property that is substantially similar to the value for the first fraction. However, for a second property, the first fraction and the blended fraction can have distinct values. As a result, multiple output fractions can be formed that share a first feature but differ in a second feature.
    Type: Application
    Filed: December 18, 2013
    Publication date: July 17, 2014
    Applicant: ExxonMobil Research and Engineering Company
    Inventors: Krista Marie Prentice, Michel Daage, Jason M. McMullan, Gregory J. DeMartin, John Stephen Szobota, Ronald M. Gould, Anastasios Ioannis Skoulidas, Hyungsik Lee, Pawel K. Peczak, Charles Lambert Baker, JR., Thomas Francis Degan, JR., Lei Zhang, X B III, Philip J. Lenart
  • Patent number: 8545602
    Abstract: The removal of one or more of the gases CO2, N2 and H2S from gas mixtures containing at least one of said gases with use of an 8-ring zeolite having a Si:Al ratio from about 1:1 to about 1000:1. The preferred gas mixture is a natural gas feedstream and the preferred 8-ring zeolite is DDR.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: October 1, 2013
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Ronald R. Chance, Sebastian C. Reyes, Harry W. Deckman, Gregory J. DeMartin, Bruce T. Kelley, Paul S. Northrop, Eugene R. Thomas
  • Patent number: 8529663
    Abstract: The present invention relates the separation of a target gas from a mixture of gases through the use of engineered structured adsorbent contactors in pressure swing adsorption and thermal swing adsorption processes. Preferably, the contactors contain engineered and substantially parallel flow channels wherein 20 volume percent or less of the open pore volume of the contactor, excluding the flow channels, is in the mesopore and macropore range.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: September 10, 2013
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Sebastian C. Reyes, Harry W. Deckman, Ronald R. Chance, Gregory J. DeMartin, Frank Hershkowitz, Eugene R. Thomas, Paul S. Northrop, Bruce T. Kelley, Edward W. Corcoran, Jr.
  • Patent number: 8444750
    Abstract: The present invention relates to the separation of one or more of CO2, N2, and H2S gas components from a gas mixture containing at least a second gas using a swing adsorption process unit. The adsorbent contactors of the swing adsorption process unit are engineered structured adsorbent contactors having a plurality of flow channels wherein 20 volume percent or less of the open pore volume of the contactors is in the mesopore and macropore range.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: May 21, 2013
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Harry W. Deckman, Ronald R. Chance, Sebastian C. Reyes, Gregory J. DeMartin, Eugene R. Thomas, Paul S. Northrop, Bruce T. Kelley, Edward W. Corcoran, Jr.
  • Publication number: 20080282885
    Abstract: The present invention relates to the separation of one or more of CO2, N2, and H2S gas components from a gas mixture containing at least a second gas using a swing adsorption process unit. The adsorbent contactors of the swing adsorption process unit are engineered structured adsorbent contactors having a plurality of flow channels wherein 20 volume percent or less of the open pore volume of the contactors is in the mesopore and macropore range.
    Type: Application
    Filed: April 4, 2008
    Publication date: November 20, 2008
    Inventors: Harry W. Deckman, Ronald R. Chance, Sebastian C. Reyes, Gregory J. DeMartin, Eugene R. Thomas, Paul S. Northrop, Bruce T. Kelley, Edward W. Corcoran, JR.
  • Publication number: 20080282886
    Abstract: The present invention relates the separation of a target gas from a mixture of gases through the use of engineered structured adsorbent contactors in pressure swing adsorption and thermal swing adsorption processes. Preferably, the contactors contain engineered and substantially parallel flow channels wherein 20 volume percent or less of the open pore volume of the contactor, excluding the flow channels, is in the mesopore and macropore range.
    Type: Application
    Filed: April 4, 2008
    Publication date: November 20, 2008
    Inventors: Sebastian C. Reyes, Harry W. Deckman, Ronald R. Chance, Gregory J. DeMartin, Frank Hershkowitz, Eugene R. Thomas, Paul S. Northrop, Bruce T. Kelley, Edward W. Corcoran, JR.
  • Patent number: 6984765
    Abstract: The present invention is a separation process for producing a methanol, ethanol and/or dimethyl ether stream from a first stream containing C3+ hydrocarbons. The first stream comprises C3+ hydrocarbons, methanol, ethanol and/or dimethyl ether. The process comprises the step of passing the first stream through an adsorbent bed having a crystalline microporous material that preferentially adsorbs methanol, ethanol and/or dimethyl ether over the C3+ hydrocarbons.
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: January 10, 2006
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Sebastian C. Reyes, Venkatesan V. Krishnan, Gregory J. DeMartin, John Henry Sinfelt, Karl G. Strohmaier, Jose Guadalupe Santiesteban
  • Patent number: 6733572
    Abstract: The present invention is a process for separating propylene and dimethylether from a mixture comprising propylene, dimethylether, and propane. The mixture is passed through a bed of an adsorbent comprising a porous crystalline material having (i) diffusion time constants for dimethylether and propylene of at least 0.1 sec−1, and (ii) a diffusion time constant for propane of than 0.02 of the diffusion time constants for dimethylether and propylene. The bed preferentially adsorbs propylene and dimethylether from the mixture. The adsorbed propylene and dimethylether are then desorbed from the bed.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: May 11, 2004
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Sebastian C. Reyes, Krishnan V. Venkatesan, Gregory J. DeMartin, John H. Sinfelt, Karl G. Strohmaier, Jose Guadalupe Santiesteban
  • Patent number: 6730142
    Abstract: In a process for separating propylene from a mixture comprising propylene and propane, the mixture is passed through a bed of an adsorbent comprising a porous crystalline material having (i) a diffusion time constant for propylene of at least 0.1 sec−1, when measured at a temperature of 373° K and a propylene partial pressure of 8 kPa, and (ii) a diffusion time constant for propane, when measured at a temperature of 373° K and a propane partial pressure of 8 kPa, less than 0.02 of said diffusion time constant for propylene. The bed preferentially adsorbs propylene from the mixture. The adsorbed propylene is then desorbed from the bed either by lowering the pressure or raising the temperature of the bed.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: May 4, 2004
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Sebastian C. Reyes, Venkatesan V. Krishnan, Gregory J. DeMartin, John H. Sinfelt, Karl G. Strohmaier, Jose G. Santiesteban
  • Publication number: 20040020360
    Abstract: In a process for separating propylene and dimethylether from a mixture comprising propylene, dimethylether, and propane, the mixture is passed through a bed of an adsorbent comprising a porous crystalline material having (i) diffusion time constants for dimethylether and propylene of at least 0.1 sec−1, when measured at a temperature of 373° K and dimethylether and propylene partial pressures of 8 kPa, and (ii) a diffusion time constant for propane, when measured at a temperature of 373° K and a propane partial pressure of 8 kPa, less than 0.02 of said diffusion time constants for dimethylether and propylene. The bed preferentially adsorbs propylene and dimethylether from the mixture. The adsorbed propylene and dimethylether are then desorbed from the bed either by lowering the pressure or raising the temperature of the bed.
    Type: Application
    Filed: July 30, 2002
    Publication date: February 5, 2004
    Inventors: Sebastian C. Reyes, Krishnan V. Venkatesan, Gregory J. DeMartin, John H. Sinfelt, Karl G. Strohmaier, Jose Guadalupe Santiesteban
  • Publication number: 20030177903
    Abstract: In a process for separating propylene from a mixture comprising propylene and propane, the mixture is passed through a bed of an adsorbent comprising a porous crystalline material having (i) a diffusion time constant for propylene of at least 0.1 sec−1, when measured at a temperature of 373° K and a propylene partial pressure of 8 kPa, and (ii) a diffusion time constant for propane, when measured at a temperature of 373° K and a propane partial pressure of 8 kPa, less than 0.02 of said diffusion time constant for propylene. The bed preferentially adsorbs propylene from the mixture. The adsorbed propylene is then desorbed from the bed either by lowering the pressure or raising the temperature of the bed.
    Type: Application
    Filed: March 19, 2002
    Publication date: September 25, 2003
    Inventors: Sebastian C. Reyes, Venkatesan V. Krishnan, Gregory J. DeMartin, John H. Sinfelt, Karl G. Strohmaier, Jose G. Santiesteban