Patents by Inventor YARITZA M. LOPEZ-DE JESUS

YARITZA M. LOPEZ-DE JESUS 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).

  • Zoned diesel oxidation catalyst
    Patent number: 10843171
    Abstract: An oxidation catalyst is described for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a substrate; a first washcoat region disposed on the substrate, wherein the first washcoat region comprises a first platinum group metal (PGM) and a first support material; a second washcoat region adjacent to the first washcoat region, wherein the second washcoat region comprises a second platinum group metal (PGM) and a second support material; a third washcoat region disposed on the substrate, wherein the third washcoat region comprises a third platinum group metal (PGM) and a third support material; and wherein either: (i) the third washcoat region is adjacent to the second washcoat region; or (ii) the second washcoat region is disposed or supported on the third washcoat region. Also described are uses and methods involving the oxidation catalyst.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: November 24, 2020
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Penelope Markatou, Yaritza M. Lopez-De Jesus, Wassim Klink, Kieran John Cole, Colin Russell Newman, Robert Hanley, Yoshihito Hashimoto, Masahito Shibata
  • Zoned diesel oxidation catalyst
    Patent number: 10449518
    Abstract: An oxidation catalyst is described for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a substrate; a first washcoat region disposed on the substrate, wherein the first washcoat region comprises a first platinum group metal (PGM) and a first support material; a second washcoat region adjacent to the first washcoat region, wherein the second washcoat region comprises a second platinum group metal (PGM) and a second support material; a third washcoat region disposed on the substrate, wherein the third washcoat region comprises a third platinum group metal (PGM) and a third support material; and wherein either: (i) the third washcoat region is adjacent to the second washcoat region; or (ii) the second washcoat region is disposed or supported on the third washcoat region. Also described are uses and methods involving the oxidation catalyst.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: October 22, 2019
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Penelope Markatou, Yaritza M. Lopez-De Jesus, Wassim Klink, Kieran John Cole, Colin Russell Newman, Robert Hanley, Yoshihito Hashimoto, Masahito Shibata
  • ZONED DIESEL OXIDATION CATALYST
    Publication number: 20190308173
    Abstract: An oxidation catalyst is described for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a substrate; a first washcoat region disposed on the substrate, wherein the first washcoat region comprises a first platinum group metal (PGM) and a first support material; a second washcoat region adjacent to the first washcoat region, wherein the second washcoat region comprises a second platinum group metal (PGM) and a second support material; a third washcoat region disposed on the substrate, wherein the third washcoat region comprises a third platinum group metal (PGM) and a third support material; and wherein either: (i) the third washcoat region is adjacent to the second washcoat region; or (ii) the second washcoat region is disposed or supported on the third washcoat region. Also described are uses and methods involving the oxidation catalyst.
    Type: Application
    Filed: June 24, 2019
    Publication date: October 10, 2019
    Inventors: PENELOPE MARKATOU, YARITZA M. LOPEZ-DE JESUS, WASSIM KLINK, KIERAN JOHN COLE, COLIN RUSSELL NEWMAN, ROBERT HANLEY, YOSHIHITO HASHIMOTO, MASAHITO SHIBATA
  • ZONED DIESEL OXIDATION CATALYST
    Publication number: 20180001306
    Abstract: An oxidation catalyst is described for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a substrate; a first washcoat region disposed on the substrate, wherein the first washcoat region comprises a first platinum group metal (PGM) and a first support material; a second washcoat region adjacent to the first washcoat region, wherein the second washcoat region comprises a second platinum group metal (PGM) and a second support material; a third washcoat region disposed on the substrate, wherein the third washcoat region comprises a third platinum group metal (PGM) and a third support material; and wherein either: (i) the third washcoat region is adjacent to the second washcoat region; or (ii) the second washcoat region is disposed or supported on the third washcoat region. Also described are uses and methods involving the oxidation catalyst.
    Type: Application
    Filed: September 12, 2017
    Publication date: January 4, 2018
    Inventors: PENELOPE MARKATOU, YARITZA M. LOPEZ-DE JESUS, WASSIM KLINK, KIERAN JOHN COLE, COLIN RUSSELL NEWMAN, ROBERT HANLEY, YOSHIHITO HASHIMOTO, MASAHITO SHIBATA
  • Zoned diesel oxidation catalyst
    Patent number: 9764310
    Abstract: An oxidation catalyst is described for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a substrate; a first washcoat region disposed on the substrate, wherein the first washcoat region comprises a first platinum group metal (PGM) and a first support material; a second washcoat region adjacent to the first washcoat region, wherein the second washcoat region comprises a second platinum group metal (PGM) and a second support material; a third washcoat region disposed on the substrate, wherein the third washcoat region comprises a third platinum group metal (PGM) and a third support material; and wherein either: (i) the third washcoat region is adjacent to the second washcoat region; or (ii) the second washcoat region is disposed or supported on the third washcoat region. Also described are uses and methods involving the oxidation catalyst.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: September 19, 2017
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Penelope Markatou, Yaritza M. Lopez-De Jesus, Wassim Klink, Kieran John Cole, Colin Russell Newman, Robert Hanley, Yoshihito Hashimoto, Masahito Shibata
  • ZONED DIESEL OXIDATION CATALYST
    Publication number: 20150033715
    Abstract: An oxidation catalyst is described for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a substrate; a first washcoat region disposed on the substrate, wherein the first washcoat region comprises a first platinum group metal (PGM) and a first support material; a second washcoat region adjacent to the first washcoat region, wherein the second washcoat region comprises a second platinum group metal (PGM) and a second support material; a third washcoat region disposed on the substrate, wherein the third washcoat region comprises a third platinum group metal (PGM) and a third support material; and wherein either: (i) the third washcoat region is adjacent to the second washcoat region; or (ii) the second washcoat region is disposed or supported on the third washcoat region. Also described are uses and methods involving the oxidation catalyst.
    Type: Application
    Filed: July 29, 2014
    Publication date: February 5, 2015
    Inventors: PENELOPE MARKATOU, YARITZA M. LOPEZ-DE JESUS, WASSIM KLINK, KIERAN JOHN COLE, COLIN RUSSELL NEWMAN, ROBERT HANLEY, YOSHIHITO HASHIMOTO, MASAHITO SHIBATA