Patents by Inventor David C. Calabro

David C. Calabro 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: 8715397
    Abstract: A CO2 amine scrubbing process uses an absorbent mixture combination of an amine CO2 sorbent in combination with a non-nucleophilic, relatively stronger, typically nitrogenous, base. The weaker base(s) are nucleophilic and have the ability to react directly with the CO2 in the gas stream while the relatively stronger bases act as non-nucleophilic promoters for the reaction between the CO2 and the weaker base. The sorption and desorption temperatures can be varied by selection of the amine/base combination, permitting effective sorption temperatures of 70 to 90° C., favorable to scrubbing flue gas.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: May 6, 2014
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Pavel Kortunov, Lisa S. Baugh, David C. Calabro, Michael Siskin, Preeti Kamakoti, Quanchang Li
  • Patent number: 8598070
    Abstract: Improved CO2 sorbents comprised of a mesoporous silica functionalized with a polyamine are obtained by the in-situ polymerization of azetidine. Also included herein are processes utilizing the improved CO2 sorbents wherein CO2 is chemisorbed onto the polyamine portion of the sorbent and the process is thermally reversible.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: December 3, 2013
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Lisa S. Baugh, David C. Calabro, Quanchang Li, Enock Berluche
  • Patent number: 8598071
    Abstract: Improved CO2 sorbents comprised of a mesoporous silica functionalized with a polyamine are obtained by the in-situ polymerization of azetidine. Also included herein are processes utilizing the improved CO2 sorbents wherein CO2 is chemisorbed onto the polyamine portion of the sorbent and the process is thermally reversible.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: December 3, 2013
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Lisa S. Baugh, David C. Calabro, Quanchang Li, Enock Berluche
  • Publication number: 20130313473
    Abstract: Improved CO2 sorbents comprised of a mesoporous silica functionalized with a polyamine are obtained by the in-situ polymerization of azetidine. Also included herein are processes utilizing the improved CO2 sorbents wherein CO2 is chemisorbed onto the polyamine portion of the sorbent and the process is thermally reversible.
    Type: Application
    Filed: May 17, 2013
    Publication date: November 28, 2013
    Applicant: ExxonMobil Research amd Engineering Company
    Inventors: Lisa S. Baugh, David C. Calabro, Quanchang Li, Enock Berluche
  • Publication number: 20130317180
    Abstract: Improved CO2 sorbents comprised of a mesoporous silica functionalized with a polyamine are obtained by the in-situ polymerization of azetidine. Also included herein are processes utilizing the improved CO2 sorbents wherein CO2 is chemisorbed onto the polyamine portion of the sorbent and the process is thermally reversible.
    Type: Application
    Filed: May 17, 2013
    Publication date: November 28, 2013
    Applicant: ExxonMobil Research and Engineering Company
    Inventors: Lisa S. Baugh, David C. Calabro, Quanchang Li, Enock Berluche
  • Patent number: 8557027
    Abstract: This disclosure involves an adsorption-desorption material, e.g., crosslinked epoxy-amine material having an Mw from about 500 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0 cc/g, and a CO2 adsorption capacity of at least about 0.2 millimoles CO2 per gram of crosslinked material, and/or linear epoxy-amine material having an Mw from about 160 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0 cc/g, and a CO2 adsorption capacity of at least about 0.2 millimoles CO2 per gram of linear material. This disclosure also involves processes for preparing the crosslinked epoxy-amine materials and linear epoxy-amine materials, as well as selective removal of CO2 and/or other acid gases from a gaseous stream using the epoxy-amine materials.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: October 15, 2013
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Dennis G. Peiffer, David C. Calabro, Quanchang Li, Mobae Afeworki, Stephen M. Cundy
  • Patent number: 8470074
    Abstract: Improved CO2 sorbents comprised of a mesoporous silica functionalized with a polyamine are obtained by the in-situ polymerization of azetidine. Also included herein are processes utilizing the improved CO2 sorbents wherein CO2 is chemisorbed onto the polyamine portion of the sorbent and the process is thermally reversible.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: June 25, 2013
    Assignee: Exxonmobil Research and Engineering Company
    Inventors: Lisa S. Baugh, David C. Calabro, Quanchang Li, Enock Berluche
  • Publication number: 20120298558
    Abstract: This invention relates to a process for separating a hydrocarbon stream via a filtration process to produce an upgraded permeate stream with decreased Conradson Carbon Residue (“CCR”) content. The invention involves the modification of a porous ceramic filter by functionalizing the surface of the ceramic filter with an multi-ring aromatic-diimide polymer. Preferably, the multi-ring aromatic-diimide polymer is comprised of a multi-ring aromatic monomer component. The functionalized filters of the present invention can be used in a process to selectively separate components of a hydrocarbon stream to produce an improved permeate (or “filtrate”) product stream with a lower CCR content and improved processing capabilities.
    Type: Application
    Filed: May 16, 2012
    Publication date: November 29, 2012
    Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: DAVID C. CALABRO, DENNIS G. PEIFFER, BENJAMIN A. McCOOL, STANLEY E. JAKUBOWICZ
  • Publication number: 20120164045
    Abstract: This disclosure involves an adsorption-desorption material, e.g., crosslinked polyvinyl-amine material having an Mw from about 500 to about 1×106, total pore volume from about 0.2 cc/g to about 2.0 cc/g, and a CO2 adsorption capacity of at least about 0.2 millimoles per gram of crosslinked material, and/or linear polyvinyl-amine material having an Mw from about 160 to about 1×106, total pore volume from about 0.2 cc/g to about 2.0 cc/g, and a CO2 adsorption capacity of at least about 0.2 millimoles per gram of linear material. This disclosure also involves processes for preparing the crosslinked polyvinyl-amine materials and linear polyvinyl-amine materials, as well as selective removal of CO2 and/or other acid gases from a gaseous stream using the polyvinyl-amine materials.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 28, 2012
    Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Dennis G. Peiffer, David C. Calabro, Quanchang Li, Mobae Afeworki
  • Publication number: 20120164044
    Abstract: An adsorption-desorption material, in particular, crosslinked vinylepoxide-amine polymeric materials having an Mw from about 500 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0 cc/g, and an adsorption capacity of at least about 0.2 millimoles adsorbed CO2 per gram of adsorption-desorption material, and linear vinylepoxide-amine polymeric materials having an Mw from about 140 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0 cc/g, and an adsorption capacity of at least about 0.2 millimoles adsorbed CO2 per gram of adsorption-desorption material. This disclosure also relates to processes for preparing the crosslinked and linear vinylepoxide-amine materials, as well as to selective removal of CO2 and/or other acid gases from a gaseous stream using the vinylepoxide materials.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 28, 2012
    Applicant: ExxonMobil Research and Engineering Company
    Inventors: Dennis G. Peiffer, David C. Calabro, Quanchang Li, Mobae Afeworki
  • Publication number: 20120164043
    Abstract: An adsorption-desorption material, in particular, crosslinked organo-amine polymeric materials having an Mw from about 500 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0 cc/g, and an adsorption capacity of at least about 0.2 millimoles adsorbed CO2 per gram of adsorption-desorption material, and linear organo-amine polymeric materials having an Mw from about 160 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0 cc/g, and an adsorption capacity of at least about 0.2 millimoles adsorbed CO2 per gram of adsorption-desorption material. This disclosure also relates to processes for preparing the crosslinked and linear organo-amine materials, as well as to selective removal of CO2 and/or other acid gases from a gaseous stream using the adsorption-desorption materials.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 28, 2012
    Applicant: ExxonMobil Research and Engineering Company
    Inventors: Dennis G. Peiffer, David C. Calabro, Quanchang Li, Mobae Afeworki, Stephen M. Cundy
  • Publication number: 20120160097
    Abstract: This disclosure involves an adsorption-desorption material, e.g., crosslinked epoxy-amine material having an Mw from about 500 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0 cc/g, and a CO2 adsorption capacity of at least about 0.2 millimoles CO2 per gram of crosslinked material, and/or linear epoxy-amine material having an Mw from about 160 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0 cc/g, and a CO2 adsorption capacity of at least about 0.2 millimoles CO2 per gram of linear material. This disclosure also involves processes for preparing the crosslinked epoxy-amine materials and linear epoxy-amine materials, as well as selective removal of CO2 and/or other acid gases from a gaseous stream using the epoxy-amine materials.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 28, 2012
    Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Dennis G. Peiffer, David C. Calabro, Quanchang Li, Mobae Afeworki, Stephen M. Cundy
  • Publication number: 20120063979
    Abstract: A CO2 amine scrubbing process uses an absorbent mixture combination of an amine containing a primary amino group CO2 sorbent in combination with a non-nucleophilic relatively stronger base. The weaker base(s) are nucleophilic and have the ability to react directly with the CO2 in the gas stream while the relatively stronger bases act as non-nucleophilic promoters for the reaction between the CO2 and the weaker base. Two moles of CO2 can be taken up by the primary amine groups in a dicarboxylation reaction, affording the potential for a highly efficient scrubbing process.
    Type: Application
    Filed: September 9, 2011
    Publication date: March 15, 2012
    Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Pavel Kortunov, Lisa S. Baugh, David C. Calabro, Michael Siskin
  • Publication number: 20120063978
    Abstract: Ionic liquids are capable of acting as solvents for amine CO2 absorbent compounds in CO2 separation processes and when so used enhance the sorption of the CO2 by the amine. A cyclic sorption process for separating CO2 from a gas stream, such as flue gas or natural gas, brings the gas stream into contact with an absorbent solution of an amine CO2 sorbent in an ionic liquid solvent followed by desorbing the CO2 to regenerate the amine.
    Type: Application
    Filed: September 9, 2011
    Publication date: March 15, 2012
    Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Lisa S. Baugh, Pavel Kortunov, David C. Calabro, Michael Siskin
  • Publication number: 20120061614
    Abstract: A method is described for separating CO2 and/or H2S from a mixed gas stream by contacting the gas stream with a non-aqueous, liquid absorbent medium of a primary and/or secondary aliphatic amine, preferably in a non-aqueous, polar, aprotic solvent under conditions sufficient for sorption of at least some of the CO2. The solution containing the absorbed CO2 can then be treated to desorb the acid gas. The method is usually operated as a continuous cyclic sorption-desorption process, with the sorption being carried out in a sorption zone where a circulating stream of the liquid absorbent contacts the gas stream to form a CO2-rich sorbed solution, which is then cycled to a regeneration zone for desorption of the CO2 (advantageously at <100° C.). Upon CO2 release, the regenerated lean solution can be recycled to the sorption tower. CO2:(primary+secondary amine) adsorption molar ratios >0.5:1 (approaching 1:1) may be achieved.
    Type: Application
    Filed: September 9, 2011
    Publication date: March 15, 2012
    Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: David C. Calabro, Lisa S. Baugh, Pavel Kortunov, Benjamin A. McCool, Michael Siskin, Dennis G. Peiffer, Quanchang Li
  • Publication number: 20120060686
    Abstract: A CO2 amine scrubbing process uses an absorbent mixture combination of an amine CO2 sorbent in combination with a non-nucleophilic, relatively stronger, typically nitrogenous, base. The weaker base(s) are nucleophilic and have the ability to react directly with the CO2 in the gas stream while the relatively stronger bases act as non-nucleophilic promoters for the reaction between the CO2 and the weaker base. The sorption and desorption temperatures can be varied by selection of the amine/base combination, permitting effective sorption temperatures of 70 to 90° C., favorable to scrubbing flue gas.
    Type: Application
    Filed: September 9, 2011
    Publication date: March 15, 2012
    Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Pavel Kortunov, Lisa S. Baugh, David C. Calabro, Michael Siskin, Preeti Kamakoti, Quanchang Li
  • Publication number: 20120063980
    Abstract: A CO2 amine scrubbing process uses an absorbent mixture consisting of an alkanolamine CO2 sorbent in combination with a non-nucleophilic base. The alkanolamine has oxygen and nitrogen sites capable of nucleophilic attack at the CO2 carbon atom. The nucleophilic addition is promoted in the presence of the non-nucleophilic, relatively stronger base, acting as a proton acceptor. The non-nucleophilic base promoter, which may also act as a solvent for the alkanolamine, can promote reaction with the CO2 at each of the reactive hydroxyl and nucleophilic amine group(s) of the alkanolamines. In the case of primary amino alkanolamines the CO2 may be taken up by a double carboxylation reaction in which two moles of CO2 are taken up by the reacting primary amine groups.
    Type: Application
    Filed: September 9, 2011
    Publication date: March 15, 2012
    Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Pavel Kortunov, Lisa S. Baugh, David C. Calabro, Michael Siskin
  • Publication number: 20110150730
    Abstract: Improved CO2 sorbents comprised of a mesoporous silica functionalized with a polyamine are obtained by the in-situ polymerization of azetidine. Also included herein are processes utilizing the improved CO2 sorbents wherein CO2 is chemisorbed onto the polyamine portion of the sorbent and the process is thermally reversible.
    Type: Application
    Filed: December 20, 2010
    Publication date: June 23, 2011
    Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Lisa S. Baugh, David C. Calabro, Quanchang Li, Enock Berluche
  • Patent number: 7268195
    Abstract: This invention relates to a catalyst system comprising a catalyst and a support comprising a non-layered inorganic porous crystalline phase material, wherein the support comprises a hexagonal arrangement of uniformly-sized pores having an average pore diameter greater than or equal to about 13 ?, an X-ray diffraction pattern having a calculated d100 value of greater than or equal to about 18 ?, an adsorption capacity of greater than or equal to about 15 grams benzene per 100 grams support at 50 torr and at 25° C., and a pore wall thickness of less then or equal to about 25 ?.
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: September 11, 2007
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Zerong Lin, David C. Calabro, James C. Vartuli
  • Patent number: 7151073
    Abstract: This invention relates to a catalyst system comprising a catalyst and a support comprising a non-layered inorganic porous crystalline phase material, wherein the support comprises a hexagonal arrangement of uniformly-sized pores having an average pore diameter greater than or equal to about 13 ?, an X-ray diffraction pattern having a calculated d100 value of greater than or equal to about 18 ?, an adsorption capacity of greater than or equal to about 15 grams benzene per 100 grams support at 50 torr and at 25° C., and a pore wall thickness of less then or equal to about 25 ?.
    Type: Grant
    Filed: January 16, 2004
    Date of Patent: December 19, 2006
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Zerong Lin, David C. Calabro, James C. Vartuli