Patents by Inventor John Benjamin Goodwin
John Benjamin Goodwin 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).
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Patent number: 11794169Abstract: An oxidation catalyst for treating an exhaust gas from a compression ignition engine, which oxidation catalyst comprises: a substrate; a first washcoat region comprising palladium (Pd) and a first support material comprising cerium oxide; and a second washcoat region comprising platinum (Pt) and a second support material.Type: GrantFiled: February 23, 2020Date of Patent: October 24, 2023Inventors: Andrew Francis Chiffey, Neil Robert Collins, John Benjamin Goodwin, Francois Moreau, Paul Richard Phillips
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Patent number: 11338245Abstract: An oxidation catalyst for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a first washcoat region comprising platinum (Pt), manganese (Mn) and a first support material; a second washcoat region comprising a platinum group metal (PGM) and a second support material; and a substrate having an inlet end and an outlet end; wherein the second washcoat region is arranged to contact the exhaust gas at the outlet end of the substrate and after contact of the exhaust gas with the first washcoat region.Type: GrantFiled: May 13, 2019Date of Patent: May 24, 2022Assignee: Johnson Matthey Public Limited CompanyInventors: Andrew Francis Chiffey, John Benjamin Goodwin, James Leeland, Francois Moreau
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Patent number: 11203958Abstract: A catalytic wall-flow monolith filter having three-way catalytic activity for use in an emission treatment system of a positive ignition internal combustion engine comprising a porous filter substrate having a first face and a second face defining a longitudinal direction there between and first and second pluralities of channels extending in the longitudinal direction, wherein the first plurality of channels is open at the first face and closed at the second face and the channels of the first plurality of channels are defined in part by channel wall surfaces, wherein the second plurality of channels is open at the second face and closed at the first face and the channels of the second plurality of channels are defined in part by channel wall surfaces and wherein channel walls between the channel wall surfaces of the first plurality of channels and the channel wall surfaces of the second plurality of channels are porous, wherein a first on-wall coating comprising catalytic material having a layer thickness isType: GrantFiled: September 30, 2016Date of Patent: December 21, 2021Assignee: Johnson Matthey Public Limited CompanyInventors: Lucy Clowes, Oliver Destecroix, John Benjamin Goodwin, Michael Anthony Howard, Fezile Lakadamyali, Sarah Frances Lockett, Paul Millington, Chris Robson
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Patent number: 11167246Abstract: An oxidation catalyst for treating an exhaust gas from a diesel engine comprises: a first washcoat region for oxidising carbon monoxide (CO) and hydrocarbons (HCs), wherein the first washcoat region comprises a first platinum group metal (PGM) and a first support material, and wherein the first washcoat region does not comprise manganese or an oxide thereof; a second washcoat region for oxidising nitric oxide (NO), wherein the second washcoat region comprises platinum (Pt), manganese (Mn) and a second support material comprising a refractory metal oxide, which is silica-alumina or alumina doped with silica in a total amount of 0.Type: GrantFiled: August 22, 2018Date of Patent: November 9, 2021Assignee: Johnson Matthey Public Limited CompanyInventors: Andrew Francis Chiffey, John Benjamin Goodwin, James Leeland, Francois Moreau
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Patent number: 10821401Abstract: An exhaust system for a diesel engine comprises an oxidation catalyst for treating an exhaust gas from the diesel engine and an emissions control device, wherein the oxidation catalyst comprises: a first washcoat zone for oxidizing carbon monoxide (CO) and hydrocarbons (HCs), wherein the first washcoat zone comprises a first platinum group metal (PGM), which is a combination of platinum and palladium, a first support material and a hydrocarbon adsorbent material, which is a zeolite, and wherein the first washcoat zone does not comprise rhodium and is substantially free of manganese or an oxide thereof; a second washcoat zone for oxidizing nitric oxide (NO), wherein the second washcoat zone comprises platinum (Pt) and manganese (Mn) disposed or supported on a second support material, wherein the second support material comprises a refractory metal oxide, wherein the refractory metal oxide is silica-alumina or an alumina doped with silica in a total amount of 0.Type: GrantFiled: August 21, 2018Date of Patent: November 3, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Andrew Francis Chiffey, John Benjamin Goodwin, James Leeland, Francois Moreau
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Publication number: 20200206721Abstract: An oxidation catalyst for treating an exhaust gas from a compression ignition engine, which oxidation catalyst comprises: a substrate; a first washcoat region comprising palladium (Pd) and a first support material comprising cerium oxide; and a second washcoat region comprising platinum (Pt) and a second support material.Type: ApplicationFiled: February 23, 2020Publication date: July 2, 2020Inventors: Andrew Francis CHIFFEY, Neil Robert COLLINS, John Benjamin GOODWIN, Francois MOREAU, Paul Richard PHILLIPS
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Patent number: 10625243Abstract: A catalytic wall-flow monolith for use in an emission treatment system comprises a porous substrate and a three-way catalyst (TWC), wherein the TWC is distributed substantially throughout the porous substrate and wherein the TWC comprises: (i) alumina; (ii) one or more platinum group metals; and (iii) an oxygen storage component (OSC), wherein the OSC comprises ceria or one or more mixed oxides comprising cerium and is present in a ratio by weight of OSC to alumina of from 65:35 to 85:15.Type: GrantFiled: December 23, 2016Date of Patent: April 21, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Lucy Clowes, Oliver Destecroix, John Benjamin Goodwin, Michael Anthony Howard, Fezile Lakadamyali, Sarah Frances Lockett, Paul Millington, Chris Robson
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Patent number: 10625208Abstract: An exhaust system for a compression ignition engine comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from the compression ignition engine, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component; and a substrate, wherein the platinum group metal (PGM) component, the alkaline earth metal component and the support material are disposed on the substrate.Type: GrantFiled: May 3, 2019Date of Patent: April 21, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: David Bergeal, Andrew Francis Chiffey, John Benjamin Goodwin, Daniel Hatcher, Francois Moreau, Agnes Raj, Raj Rao Rajaram, Paul Richard Phillips, Cathal Prendergast
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Patent number: 10569257Abstract: An oxidation catalyst for treating an exhaust gas from a compression ignition engine, which oxidation catalyst comprises: a substrate; a first washcoat region comprising palladium (Pd) and a first support material comprising cerium oxide; and a second washcoat region comprising platinum (Pt) and a second support material.Type: GrantFiled: May 15, 2018Date of Patent: February 25, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Andrew Francis Chiffey, Neil Robert Collins, John Benjamin Goodwin, Francois Moreau, Paul Richard Phillips
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Publication number: 20190262772Abstract: An oxidation catalyst for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a first washcoat region comprising platinum (Pt), manganese (Mn) and a first support material; a second washcoat region comprising a platinum group metal (PGM) and a second support material; and a substrate having an inlet end and an outlet end; wherein the second washcoat region is arranged to contact the exhaust gas at the outlet end of the substrate and after contact of the exhaust gas with the first washcoat region.Type: ApplicationFiled: May 13, 2019Publication date: August 29, 2019Inventors: Andrew Francis CHIFFEY, John Benjamin GOODWIN, James LEELAND, Francois MOREAU
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Publication number: 20190255485Abstract: An exhaust system for a compression ignition engine comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from the compression ignition engine, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component; and a substrate, wherein the platinum group metal (PGM) component, the alkaline earth metal component and the support material are disposed on the substrate.Type: ApplicationFiled: May 3, 2019Publication date: August 22, 2019Inventors: David BERGEAL, Andrew Francis CHIFFEY, John Benjamin GOODWIN, Daniel HATCHER, Francois MOREAU, Agnes RAJ, Raj Rao RAJARAM, Paul Richard PHILLIPS, Cathal PRENDERGAST
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Patent number: 10286359Abstract: An oxidation catalyst for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a first washcoat region comprising platinum (Pt), manganese (Mn) and a first support material; a second washcoat region comprising a platinum group metal (PGM) and a second support material; and a substrate having an inlet end and an outlet end; wherein the second washcoat region is arranged to contact the exhaust gas at the outlet end of the substrate and after contact of the exhaust gas with the first washcoat region.Type: GrantFiled: January 23, 2015Date of Patent: May 14, 2019Assignee: Johnson Matthey Public Limited CompanyInventors: Andrew Francis Chiffey, John Benjamin Goodwin, James Leeland, Francois Moreau
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Patent number: 10279314Abstract: An exhaust system for a compression ignition engine comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from the compression ignition engine, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component; and a substrate, wherein the platinum group metal (PGM) component, the alkaline earth metal component and the support material are disposed on the substrate.Type: GrantFiled: December 12, 2016Date of Patent: May 7, 2019Assignee: Johnson Matthey PLCInventors: David Bergeal, Andrew Francis Chiffey, John Benjamin Goodwin, Daniel Hatcher, Francois Moreau, Agnes Raj, Raj Rao Rajaram, Paul Richard Phillips, Cathal Prendergast
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Publication number: 20190009254Abstract: A catalytic wall-flow monolith for use in an emission treatment system comprises a porous substrate and a three-way catalyst (TWC), wherein the TWC is distributed substantially throughout the porous substrate and wherein the TWC comprises: (i) alumina; (ii) one or more platinum group metals; and (iii) an oxygen storage component (OSC), wherein the OSC comprises ceria or one or more mixed oxides comprising cerium and is present in a ratio by weight of OSC to alumina of from 65:35 to 85:15Type: ApplicationFiled: December 23, 2016Publication date: January 10, 2019Inventors: Lucy CLOWES, Oliver DESTECROIX, John Benjamin GOODWIN, Michael Anthony HOWARD, Fezile LAKADAMYALI, Sarah Frances LOCKETT, Paul MILLINGTON, Chris ROBSON
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Publication number: 20180353903Abstract: An oxidation catalyst for treating an exhaust gas from a diesel engine comprises: a first washcoat region for oxidising carbon monoxide (CO) and hydrocarbons (HCs), wherein the first washcoat region comprises a first platinum group metal (PGM) and a first support material, and wherein the first washcoat region does not comprise manganese or an oxide thereof; a second washcoat region for oxidising nitric oxide (NO), wherein the second washcoat region comprises platinum (Pt), manganese (Mn) and a second support material comprising a refractory metal oxide, which is silica-alumina or alumina doped with silica in a total amount of 0.Type: ApplicationFiled: August 22, 2018Publication date: December 13, 2018Inventors: Andrew Francis CHIFFEY, John Benjamin GOODWIN, James LEELAND, Francois MOREAU
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Publication number: 20180353902Abstract: An exhaust system for a diesel engine comprises an oxidation catalyst for treating an exhaust gas from the diesel engine and an emissions control device, wherein the oxidation catalyst comprises: a first washcoat zone for oxidizing carbon monoxide (CO) and hydrocarbons (HCs), wherein the first washcoat zone comprises a first platinum group metal (PGM), which is a combination of platinum and palladium, a first support material and a hydrocarbon adsorbent material, which is a zeolite, and wherein the first washcoat zone does not comprise rhodium and is substantially free of manganese or an oxide thereof; a second washcoat zone for oxidizing nitric oxide (NO), wherein the second washcoat zone comprises platinum (Pt) and manganese (Mn) disposed or supported on a second support material, wherein the second support material comprises a refractory metal oxide, wherein the refractory metal oxide is silica-alumina or an alumina doped with silica in a total amount of 0.Type: ApplicationFiled: August 21, 2018Publication date: December 13, 2018Inventors: Andrew Francis CHIFFEY, John Benjamin GOODWIN, James LEELAND, Francois MOREAU
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Patent number: 10151227Abstract: A catalyst for storing nitrogen oxides (NOx) in an exhaust gas from a lean burn engine comprising a NOx storage material and a substrate, wherein the NOx storage material comprises a NOx storage component and an NO oxidation promoter on a support material, wherein the NO oxidation promoter is manganese or an oxide, hydroxide or carbonate thereof.Type: GrantFiled: July 8, 2016Date of Patent: December 11, 2018Assignee: Johnson Matthey Public Limited CompanyInventors: Andrew Armitage, Andrew Francis Chiffey, John Benjamin Goodwin, James Leeland, Nuria Lastra-Calvo, Francois Moreau, Paul Richard Phillips, Stuart David Reid, Daniel Swallow, David Xuereb
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Publication number: 20180298800Abstract: A catalytic wall-flow monolith filter having three-way catalytic activity for use in an emission treatment system of a positive ignition internal combustion engine comprising a porous filter substrate having a first face and a second face defining a longitudinal direction there between and first and second pluralities of channels extending in the longitudinal direction, wherein the first plurality of channels is open at the first face and closed at the second face and the channels of the first plurality of channels are defined in part by channel wall surfaces, wherein the second plurality of channels is open at the second face and closed at the first face and the channels of the second plurality of channels are defined in part by channel wall surfaces and wherein channel walls between the channel wall surfaces of the first plurality of channels and the channel wall surfaces of the second plurality of channels are porous, wherein a first on-wall coating comprising catalytic material having a layer thickness isType: ApplicationFiled: September 30, 2016Publication date: October 18, 2018Inventors: Lucy CLOWES, Oliver DESTECROIX, John Benjamin GOODWIN, Michael Anthony HOWARD, Fezile LAKADAMYALI, Sarah Frances LOCKETT, Paul MILLINGTON, Chris ROBSON
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Publication number: 20180257062Abstract: An oxidation catalyst for treating an exhaust gas from a compression ignition engine, which oxidation catalyst comprises: a substrate; a first washcoat region comprising palladium (Pd) and a first support material comprising cerium oxide; and a second washcoat region comprising platinum (Pt) and a second support material.Type: ApplicationFiled: May 15, 2018Publication date: September 13, 2018Inventors: Andrew Francis CHIFFEY, Neil Robert COLLINS, John Benjamin GOODWIN, Francois MOREAU, Paul Richard PHILLIPS
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Patent number: 9987618Abstract: An oxidation catalyst for treating an exhaust gas from a compression ignition engine, which oxidation catalyst comprises: a substrate; a first washcoat region comprising palladium (Pd) and a first support material comprising cerium oxide; and a second washcoat region comprising platinum (Pt) and a second support material.Type: GrantFiled: April 20, 2017Date of Patent: June 5, 2018Assignee: Johnson Matthey Public Limited CompanyInventors: Andrew Francis Chiffey, Neil Robert Collins, John Benjamin Goodwin, Francois Moreau, Paul Richard Phillips