公开(公告)号：US10357743B2

公开(公告)日：2019-07-23

申请号：US15293364

申请日：2016-10-14

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Andrew Francis Chiffey ,  Oliver Cooper ,  Christopher Daly ,  Mark Feaviour ,  Steven Merrick ,  Francois Moreau ,  Matthew O'Brien ,  David Thompsett

IPC: B01D53/94 ,  B01J23/644 ,  B01J23/656 ,  B01J29/78 ,  B01J35/04 ,  F01N3/10 ,  B01J35/00 ,  B01J37/02 ,  B01J37/10 ,  B01J29/80 ,  B01J29/83 ,  B01J37/00 ,  F01N3/08

Abstract: An oxidation catalyst is described for treating an exhaust gas produced by a diesel engine comprising a catalytic region and a substrate, wherein the catalytic region comprises a catalytic material comprising: bismuth (Bi), antimony (Sb) or an oxide thereof; a platinum group metal (PGM) selected from the group consisting of (i) platinum (Pt), (ii) palladium (Pd) and (iii) platinum (Pt) and palladium (Pd); and a support material, which is a refractory oxide; wherein the platinum group metal (PGM) is supported on the support material; and wherein the bismuth (Bi), antimony (Sb) or an oxide thereof is supported on the support material and/or the refractory oxide comprises the bismuth, antimony or an oxide thereof.

公开(公告)号：US10179325B2

公开(公告)日：2019-01-15

申请号：US15017681

申请日：2016-02-08

Applicant: Johnson Matthey Public Limited Company

Inventor： Andrew Francis Chiffey ,  Christopher Daly ,  Daniel Hatcher ,  James Leeland ,  Francois Moreau ,  Paul Richard Phillips

IPC: B01D53/94 ,  B01J23/44 ,  B01J35/04 ,  B01J37/03 ,  B01J35/00 ,  B01J35/02 ,  B01J35/10 ,  B01J37/02 ,  B01J21/12 ,  B01J29/70 ,  B01J29/76 ,  F01N3/10

Abstract: An oxidation catalyst for treating an exhaust gas produced by a compression ignition engine comprising: a substrate; a catalytic material disposed on the substrate, wherein the catalytic material comprises platinum (Pt); and a region comprising a capture material, wherein the region is arranged to contact the exhaust gas after the exhaust gas has contacted and/or passed through the catalytic material.

公开(公告)号：US11618014B2

公开(公告)日：2023-04-04

申请号：US15483095

申请日：2017-04-10

Applicant: Johnson Matthey Public Limited Company

Inventor： Cecilia Bernadini ,  Thomas Campbell ,  Guy Richard Chandler ,  Christopher Daly ,  Katharine Ann Hardstone ,  Thomas Hotchkiss ,  David Thompsett

IPC: B01J29/76 ,  F01N13/00 ,  F01N3/035 ,  F01N3/10 ,  F01N3/28 ,  F01N3/20 ,  B01J35/00 ,  B01J21/04 ,  B01D53/94 ,  B01J35/10 ,  B01J37/02 ,  B01J37/08 ,  B01J23/42 ,  B01J35/04 ,  B05D7/22 ,  B01J35/02

Abstract: A method of coating a substrate with a foam is described. The method comprises: (a) introducing a foam into a substrate comprising a plurality of channels through open ends of the channels at a first end of the substrate; and (b) applying at least one of (i) a vacuum to open ends of the channels at a second end of the substrate and (ii) a pressure to the open ends of the channels at the first end of the substrate; wherein the foam comprises a particulate material, and wherein the foam is particle stabilized.

公开(公告)号：US20170304810A1

公开(公告)日：2017-10-26

申请号：US15483095

申请日：2017-04-10

Applicant: Johnson Matthey Public Limited Company

Inventor： Cecilia BERNADINI ,  Thomas CAMPBELL ,  Guy Richard CHANDLER ,  Christopher Daly ,  Katharine Ann HARDSTONE ,  Thomas HOTCHKISS ,  David THOMPSETT

IPC: B01J29/76 ,  F01N3/28 ,  B01D53/94 ,  B01J21/04 ,  B01J35/02 ,  B01J35/04 ,  B01J37/08 ,  B01J37/02 ,  B01J35/10 ,  F01N3/20 ,  B01J35/00

CPC classification number: B01J29/763 ,  B01D53/9418 ,  B01D2255/20761 ,  B01D2255/2092 ,  B01D2255/50 ,  B01J21/04 ,  B01J23/42 ,  B01J35/0006 ,  B01J35/002 ,  B01J35/026 ,  B01J35/04 ,  B01J35/1076 ,  B01J37/0215 ,  B01J37/0236 ,  B01J37/08 ,  F01N3/035 ,  F01N3/106 ,  F01N3/2066 ,  F01N3/2803 ,  F01N3/2828 ,  F01N13/009 ,  F01N2250/02 ,  F01N2330/00 ,  F01N2330/06 ,  F01N2330/22 ,  F01N2370/04 ,  Y02T10/24

Abstract: A method of coating a substrate with a foam is described. The method comprises: (a) introducing a foam into a substrate comprising a plurality of channels through open ends of the channels at a first end of the substrate; and (b) applying at least one of (i) a vacuum to open ends of the channels at a second end of the substrate and (ii) a pressure to the open ends of the channels at the first end of the substrate; wherein the foam comprises a particulate material, and wherein the foam is particle stabilized.

公开(公告)号：US12296319B2

公开(公告)日：2025-05-13

申请号：US18493835

申请日：2023-10-25

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Andrew Chiffey ,  Kieran Cole ,  Oliver Cooper ,  Christopher Daly ,  Lee Gilbert ,  Robert Hanley ,  David Micallef ,  Francois Moreau ,  Paul Phillips ,  George Platt

IPC: B01J21/04 ,  B01D53/94 ,  B01J21/08 ,  B01J23/02 ,  B01J23/42 ,  B01J23/44 ,  B01J23/46 ,  B01J23/58 ,  B01J37/02 ,  F01N3/02 ,  F01N3/023 ,  F01N3/10

Abstract: A composite oxidation catalyst for use in an exhaust system for treating an exhaust gas produced by a vehicular compression ignition internal combustion engine is disclosed. The composite oxidation catalyst comprises a honeycomb flow-through substrate monolith and two catalyst washcoat zones arranged axially in series on and along the substrate surface.

公开(公告)号：US20190299159A1

公开(公告)日：2019-10-03

申请号：US16447243

申请日：2019-06-20

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Andrew Francis Chiffey ,  Oliver Cooper ,  Christopher Daly ,  Mark Feaviour ,  Steven Merrick ,  Francois Moreau ,  Matthew O'Brien ,  David Thompsett

IPC: B01D53/94 ,  F01N3/10 ,  B01J37/00 ,  B01J23/644 ,  B01J37/02 ,  F01N3/08 ,  B01J29/78 ,  B01J37/10 ,  B01J35/04 ,  B01J35/00 ,  B01J29/80 ,  B01J29/83 ,  B01J23/656

Abstract: An oxidation catalyst is described for treating an exhaust gas produced by a diesel engine comprising a catalytic region and a substrate, wherein the catalytic region comprises a catalytic material comprising: bismuth (Bi), antimony (Sb) or an oxide thereof; a platinum group metal (PGM) selected from the group consisting of (i) platinum (Pt), (ii) palladium (Pd) and (iii) platinum (Pt) and palladium (Pd); and a support material, which is a refractory oxide; wherein the platinum group metal (PGM) is supported on the support material; and wherein the bismuth (Bi), antimony (Sb) or an oxide thereof is supported on the support material and/or the refractory oxide comprises the bismuth, antimony or an oxide thereof.

公开(公告)号：US11845064B2

公开(公告)日：2023-12-19

申请号：US17594694

申请日：2020-06-26

Applicant: Johnson Matthey Public Limited Company

Inventor： Andrew Chiffey ,  Kieran John Cole ,  Oliver Cooper ,  Christopher Daly ,  Lee Gilbert ,  Robert Hanley ,  David Micallef ,  Francois Moreau ,  Paul Phillips ,  George Platt

IPC: B01J21/08 ,  B01J23/42 ,  B01J23/44 ,  B01J23/58 ,  B01J35/04 ,  B01D53/94 ,  F01N3/023 ,  F01N3/10 ,  B01J37/02

CPC classification number: B01J23/44 ,  B01J21/08 ,  B01J23/42 ,  B01J37/0215 ,  F01N3/0231 ,  F01N3/10 ,  F01N2570/10 ,  F01N2570/12 ,  F01N2570/14

Abstract: A composite oxidation catalyst (18, 20) for use in an exhaust system for treating an exhaust gas produced by a vehicular compression ignition internal combustion engine (30) and upstream of a particulate matter filter (44, 50) in the exhaust system comprises a substrate (5) having a total length L and a longitudinal axis and having a substrate surface extending axially between a first substrate end (I) and a second substrate end (O); and three or more catalyst washcoat zones (1, 2, 3; or 1, 2, 3, 4) arranged axially in series on and along the substrate surface, wherein a first catalyst washcoat zone (1) having a length L1, wherein L1