Patents by Inventor Ivy D. Johnson

Ivy D. Johnson 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: 11964927
    Abstract: A process for producing an alkylaromatic compound comprises providing a first feed comprising an alkylatable aromatic compound and a second feed comprising an alkylating agent, wherein at least the first feed contains an impurity compound comprising at least one of nitrogen, halogens, oxygen, sulfur, arsenic, selenium, tellurium, phosphorus, and Group 1 through Group 12 metals The first feed is passed through an adsorbent comprising a metal-organic framework material under conditions effective to reduce the amount of impurity compound in the first feed and produce a purified first feed. The purified first feed and at least part of the second feed are then contacted with an alkylation catalyst composition under alkylation conditions effective to convert at least part of the alkylatable aromatic compound in the purified first feed to the desired alkylaromatic compound and produce an alkylation effluent.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: April 23, 2024
    Assignee: ExxonMobil Engineering & Technology Company
    Inventors: Joseph M. Falkowski, Ivy D. Johnson
  • Publication number: 20240051898
    Abstract: A process for producing an alkylaromatic compound comprises providing a first feed comprising an alkylatable aromatic compound and a second feed comprising an alkylating agent, wherein at least the first feed contains an impurity compound comprising at least one of nitrogen, halogens, oxygen, sulfur, arsenic, selenium, tellurium, phosphorus, and Group 1 through Group 12 metals The first feed is passed through an adsorbent comprising a metal-organic framework material under conditions effective to reduce the amount of impurity compound in the first feed and produce a purified first feed. The purified first feed and at least part of the second feed are then contacted with an alkylation catalyst composition under alkylation conditions effective to convert at least part of the alkylatable aromatic compound in the purified first feed to the desired alkylaromatic compound and produce an alkylation effluent.
    Type: Application
    Filed: September 30, 2020
    Publication date: February 15, 2024
    Inventors: Joseph M. Falkowski, Ivy D. Johnson
  • Publication number: 20230382827
    Abstract: A process for producing a mono-alkylated benzene comprises contacting benzene with di-alkylated benzene(s) and/or tri-alkylated benzene(s) in the presence of a transalkylation catalyst composition under transalkylation conditions to convert at least part of the di-alkylated benzene(s) and tri-alkylated benzene(s) to mono-alkylated benzene. The transalkylation catalyst composition comprises a treated zeolitic material having increased mesoporous surface area compared to the precursor catalyst composition from which it is made.
    Type: Application
    Filed: September 30, 2021
    Publication date: November 30, 2023
    Inventors: Aaron W. Peters, Reuben J. Britto, William J. Knaeble, Ivy D. Johnson, Christopher G. Oliveri
  • Patent number: 11827593
    Abstract: A process for producing a monoalkylated benzene comprises contacting benzene with a mixture comprising dialkylated and trialkylated benzenes in the presence of a transalkylation catalyst composition under transalkylation conditions effective to convert at least part of the dialkylated and trialkylated benzene to monoalkylated benzene, wherein the catalyst composition comprises a metallosilicate zeolite comprising openings defined by 14-membered rings of tetrahedrally coordinated atoms and the transalkylation conditions include a temperature in the range of 160° C. to 220° C.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: November 28, 2023
    Assignee: ExxonMobil Chemicals Patents Inc.
    Inventors: Aaron W. Peters, William J. Knaeble, Allen W. Burton, Ivy D. Johnson, Christopher G. Oliveri, Reuben Britto
  • Patent number: 11820723
    Abstract: A process for producing a monoalkylated benzene comprises the step of contacting benzene with a mixture comprising dialkylated and trialkylated benzenes in the presence of a transalkylation catalyst composition under transalkylation conditions effective to convert at least part of the dialkylated and trialkylated benzene to monoalkylated benzene, wherein the transalkylation catalyst, composition comprises zeolite beta having an external surface in excess of 350 m2/g as determined by the t-plot method for nitrogen physisorption.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: November 21, 2023
    Assignee: ExxonMobil Chemicals Patents Inc.
    Inventors: Aaron W. Peters, William J. Knaeble, Allen W. Burton, Ivy D. Johnson, Christopher G. Oliveri, Reuben Britto
  • Publication number: 20230249167
    Abstract: Catalyst composition which comprises a first zeolite having a BEA* framework type and a second zeolite having a MOR framework type and a mesopore surface area of greater than 30 m2/g is disclosed. These catalyst compositions are used to remove catalyst poisons from untreated feed streams having one or more impurities which cause deactivation of the downstream catalysts employed in hydrocarbon conversion processes, such as those that produce mono-alkylated aromatic compounds.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 10, 2023
    Inventors: Matthew S. Ide, Doron Levin, Wenyih F. Lai, Ivy D. Johnson, Scott J. Weigel, Brett T. Loveless
  • Patent number: 11654423
    Abstract: Catalyst composition which comprises a first zeolite having a BEA* framework type and a second zeolite having a MOR framework type and a mesopore surface area of greater than 30 m2/g is disclosed. These catalyst compositions are used to remove catalyst poisons from untreated feed streams having one or more impurities which cause deactivation of the downstream catalysts employed in hydrocarbon conversion processes, such as those that produce mono-alkylated aromatic compounds.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: May 23, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew S. Ide, Doron Levin, Wenyih F. Lai, Ivy D. Johnson, Scott J. Weigel, Brett T. Loveless
  • Publication number: 20220371972
    Abstract: A process for producing a monoalkylated benzene comprises the step of contacting benzene with a mixture comprising dialkylated and trialkylated benzenes in the presence of a transalkylation catalyst composition under transalkylation conditions effective to convert at least part of the dialkylated and trialkylated benzene to monoalkylated benzene, wherein the transalkylation catalyst, composition comprises zeolite beta having an external surface in excess of 350 m2/g as determined by the t-plot method for nitrogen physisorption.
    Type: Application
    Filed: September 16, 2020
    Publication date: November 24, 2022
    Inventors: Aaron W. Peters, William J. Knaeble, Allen W. Burton, Ivy D. Johnson, Christopher G. Oliveri, Reuben Britto
  • Publication number: 20220356132
    Abstract: A process for producing a monoalkylated benzene comprises contacting benzene with a mixture comprising dialkylated and trialkylated benzenes in the presence of a transalkylation catalyst composition under transalkylation conditions effective to convert at least part of the dialkylated and trialkylated benzene to monoalkylated benzene, wherein the catalyst composition comprises a metallosilicate zeolite comprising openings defined by 14-membered rings of tetrahedrally coordinated atoms and the transalkylation conditions include a temperature in the range of 160° C. to 220° C.
    Type: Application
    Filed: September 16, 2020
    Publication date: November 10, 2022
    Inventors: Aaron W. Peters, William J. Knaeble, Allen W. Burton, Ivy D. Johnson, Christopher G. Oliveri, Reuben Britto
  • Publication number: 20220134318
    Abstract: Novel MEL framework type zeolites can be made to have small crystallite sizes and desirable silica/SiCb molar ratios. Catalyst compositions comprising such MEL framework type zeolites can be particularly advantageous in isomerization C8 aromatic mixtures. An isomerization process for converting C8 aromatic hydrocarbons can advantageously utilize a catalyst composition comprising a MEL framework type zeolite.
    Type: Application
    Filed: March 25, 2020
    Publication date: May 5, 2022
    Inventors: Wenyih F. Lai, Paul Podsiadlo, Eric D. Metzger, Ivy D. Johnson, Ali A. Kheir, Dominick A. Zurlo, Kathleen M. Keville
  • Patent number: 10995286
    Abstract: In a process for improving the cold flow properties of a hydrocarbon feedstock, the feedstock is contacted with a catalyst composition comprising an EMM-17 molecular sieve and a hydrogenation component under dewaxing conditions effective to produce a dewaxed product having a cloud point and/or pour point that is reduced relative to the cloud point and/or pour point of the feedstock by at least 5° C.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: May 4, 2021
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Joseph E. Gatt, William W. Lonergan, Scott J. Weigel, Ivy D. Johnson, Karl G. Strohmaier, Simon C. Weston
  • Patent number: 10940467
    Abstract: The present invention provides an improved method for making molecular sieves having MWW framework structure using precipitated aluminosilicates (PAS), and the use of molecular sieves so made in processes for catalytic conversion of hydrocarbon compounds.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: March 9, 2021
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Ivy D. Johnson, Nadya A. Hrycenko
  • Publication number: 20200299592
    Abstract: A method includes introducing a crude oil process stream into an electro-kinetic separator (EKS), passing the crude oil process stream through an electric field generated by the EKS, and removing at least a portion of salt and solid particles from the crude oil process stream as the crude oil process stream passes through the electric field. A product stream is discharged from the EKS with reduced salt and solid particle count as compared to the crude oil process stream.
    Type: Application
    Filed: March 4, 2020
    Publication date: September 24, 2020
    Inventors: Bhupender S. Minhas, Ivy D. Johnson, Jessica Wittmann, Jessica E. Gil, Magaly C. Barroeta, Jason M. McMullan, Sarah E. Feicht, F. Pierce Hubbard, JR., Won M. Kim
  • Patent number: 10696560
    Abstract: A molecular sieve material, EMM-17, has in its as-calcined form, a total surface area of greater than 550 m2/g and/or an external surface area of greater than about 100 m2/g as measured by the BET Method, and a specific X-ray diffraction pattern.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: June 30, 2020
    Assignee: ExxonMobil Research & Engineering Company
    Inventors: Ivy D. Johnson, Nadya A. Hrycenko, Theodore E. Datz, William W. Lonergan, Karl G. Strohmaier, Hilda B. Vroman, Keith C. Gallow, Simon C. Weston
  • Publication number: 20200199468
    Abstract: In a process for improving the cold flow properties of a hydrocarbon feedstock, the feedstock is contacted with a catalyst composition comprising an EMM-17 molecular sieve and a hydrogenation component under dewaxing conditions effective to produce a dewaxed product having a cloud point and/or pour point that is reduced relative to the cloud point and/or pour point of the feedstock by at least 5° C.
    Type: Application
    Filed: December 10, 2019
    Publication date: June 25, 2020
    Inventors: Joseph E. Gatt, William W. Lonergan, Scott J. Weigel, Ivy D. Johnson, Karl G. Strohmaier, Simon C. Weston
  • Publication number: 20200179913
    Abstract: Catalyst composition which comprises a first zeolite having a BEA* framework type and a second zeolite having a MOR framework type and a mesopore surface area of greater than 30 m2/g is disclosed. These catalyst compositions are used to remove catalyst poisons from untreated feed streams having one or more impurities which cause deactivation of the downstream catalysts employed in hydrocarbon conversion processes, such as those that produce mono-alkylated aromatic compounds.
    Type: Application
    Filed: February 7, 2018
    Publication date: June 11, 2020
    Inventors: Matthew S. Ide, Doron Levin, Wenyih F. Lai, Ivy D. Johnson, Scott J. Weigel, Brett T. Loveless
  • Patent number: 10661262
    Abstract: Hydrogenation catalysts for aromatic hydrogenation including an organosilica material support, which is a polymer comprising independent units of a monomer of Formula [Z1OZ2OSiCH2]3 (I), wherein each Z1 and Z2 independently represent a hydrogen atom, a C1-C4 alkyl group or a bond to a silicon atom of another monomer; and at least one catalyst metal are provided herein. Methods of making the hydrogenation catalysts and processes of using, e.g., aromatic hydrogenation, the hydrogenation catalyst are also provided herein.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: May 26, 2020
    Assignee: ExxonMobil Research & Engineering Company
    Inventors: Paul Podsiadlo, Quanchang Li, David Charles Calabro, Jean Willem Lodewijk Beeckman, Lei Zhang, Kiara M. Benitez, Matthew Scott Ide, Stephen John McCarthy, Mobae Afeworki, Simon Christopher Weston, Preeti Kamakoti, Matu J. Shah, Wenyih Frank Lai, Meghan Kochersperger, David A. Griffin, Ivy D. Johnson
  • Patent number: 10435514
    Abstract: Organosilica materials made from monomers including at least a source of silica that is reactive to polymerize, optionally in combination with at least one additional cyclic monomer. Methods for making such organosilica materials are also described herein.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: October 8, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: David C. Calabro, Ivy D. Johnson, Quanchang Li, Paul Podsiadlo, Simon C. Weston, Mobae Afeworki
  • Publication number: 20190151832
    Abstract: The present invention provides an improved method for making molecular sieves having MWW framework structure using precipitated aluminosilicates (PAS), and the use of molecular sieves so made in processes for catalytic conversion of hydrocarbon compounds.
    Type: Application
    Filed: January 18, 2019
    Publication date: May 23, 2019
    Inventors: Ivy D. Johnson, Nadya A. Hrycenko
  • Patent number: 10239052
    Abstract: The present invention provides an improved method for making molecular sieves having MWW framework structure using precipitated aluminosilicates (PAS), and the use of molecular sieves so made in processes for catalytic conversion of hydrocarbon compounds.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: March 26, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Ivy D. Johnson, Nadya A. Hrycenko