公开(公告)号：US20230323802A1

公开(公告)日：2023-10-12

申请号：US18132591

申请日：2023-04-10

Applicant: Johnson Matthey Public Limited Company ,  Johnson Matthey Catalysts (Germany) GmbH

Inventor： Christopher DALY ,  Rainer LEPPELT ,  Joerg Werner MUENCH ,  Andrew David NEWMAN ,  Irene PIRAS ,  Agnes RAJ ,  Dominic Florian SANTI ,  Nicholas SPENCER ,  Andrew STONOR

IPC: F01N3/28 ,  B01J23/22 ,  B01J23/30 ,  B01J23/38 ,  B01J29/76 ,  B01J21/06 ,  B01J21/08 ,  B01J23/10 ,  B01J35/04 ,  B01J35/00 ,  F01N3/20 ,  F01N3/10 ,  B01D53/94

CPC classification number: F01N3/2825 ,  B01J23/22 ,  B01J23/30 ,  B01J23/38 ,  B01J29/763 ,  B01J21/063 ,  B01J21/08 ,  B01J23/10 ,  B01J35/04 ,  B01J35/0006 ,  F01N3/2066 ,  F01N3/106 ,  B01D53/9418 ,  B01D53/944 ,  B01D53/9472 ,  B01D53/9477 ,  B01D53/9436 ,  F01N2610/1453 ,  F01N2370/04 ,  F01N2330/48 ,  B01D2258/012 ,  B01D2255/20723 ,  B01D2255/2065 ,  B01D2255/2098 ,  B01D2255/9155 ,  B01D2255/9032 ,  B01D2255/9035 ,  B01D2255/50 ,  B01D2251/2062

Abstract: An exhaust gas treatment system includes in order: an intake for receiving an exhaust gas from a lean burn combustion engine; an injector for the provision of a nitrogenous reductant; a close-coupled vanadium-containing SCR catalyst composition; one or more downstream PGM-containing oxidation catalyst compositions, wherein the close-coupled vanadium-containing SCR catalyst composition includes cerium in a Ce:V molar ratio of greater than 0.3.

公开(公告)号：US20230278018A1

公开(公告)日：2023-09-07

申请号：US17754813

申请日：2020-10-13

Applicant: Johnson Matthey Public Limited Company

Inventor： Andrew Francis CHIFFEY ,  Kieran COLE ,  Oliver COOPER ,  Christopher DALY ,  Lee Alexander GILBERT ,  Robert HANLEY ,  David MICALLEF ,  Francois MOREAU ,  Paul PHILLIPS ,  George PLATT

IPC: B01J35/00 ,  B01J23/44 ,  B01J23/58 ,  B01J21/12 ,  B01J23/34 ,  B01J23/10 ,  B01J29/76 ,  B01J35/04 ,  B01J35/10 ,  F01N3/10 ,  F01N3/021 ,  F01N3/28 ,  B01D53/94 ,  B01D46/84

CPC classification number: B01J35/0006 ,  B01J23/44 ,  B01J23/58 ,  B01J21/12 ,  B01J23/34 ,  B01J23/10 ,  B01J29/76 ,  B01J35/04 ,  B01J35/1061 ,  B01J35/0066 ,  F01N3/103 ,  F01N3/021 ,  F01N3/2828 ,  B01D53/944 ,  B01D53/9472 ,  B01D46/84 ,  F01N2370/04 ,  F01N2510/063 ,  F01N2330/48 ,  B01D2255/9155 ,  B01D2255/9032 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2042 ,  B01D2258/012 ,  B01D2255/9202 ,  B01D2255/2073 ,  B01D2255/9207

Abstract: A compression ignition internal combustion engine (30) for a heavy-duty diesel vehicle comprising an exhaust system (32) comprising a composite oxidation catalyst (12, 42) and a soot filter substrate (44, 50) disposed downstream from the composite oxidation catalyst comprising: a substrate (5), preferably a honeycomb flow-through substrate monolith, 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); two catalyst washcoat zones (1, 2) arranged axially in series on and along the substrate surface, wherein a first catalyst washcoat zone (1) having a length L1 and comprising a first catalyst washcoat layer (9), wherein L1 48.8 g/l (>0.8 g/in3), wherein a total platinum group metal loading in the first catalyst washcoat zone (1) defined in grams of platinum group metal per litre of substrate volume (g/l) is greater than a total platinum group metal loading in the second catalyst washcoat zone (2) and wherein the first catalyst washcoat zone (1) comprises one or more first alkaline earth metal components, preferably barium, supported on the first refractory metal oxide support material.

公开(公告)号：US20230211323A1

公开(公告)日：2023-07-06

申请号：US17754778

申请日：2020-10-16

Applicant: Johnson Matthey Public Limited Company

Inventor： Andrew Francis CHIFFEY ,  Kieran COLE ,  Oliver COOPER ,  Christopher DALY ,  Jonas EDVARDSSON ,  Lee GILLBERT ,  Alexander GREEN ,  Neil GREENHAM ,  Robert HANLEY ,  Caitlin Lucy JENKINS ,  Per MARSH ,  David MICALLEF ,  Francois MOREAU ,  George PLATT ,  Paul Richard PHILLIPS ,  James WYLIE

IPC: B01J23/58 ,  B01J23/44 ,  B01J21/12 ,  B01J29/76 ,  B01J35/00 ,  B01J35/10 ,  F01N3/28 ,  B01D53/94

CPC classification number: B01J23/58 ,  B01J23/44 ,  B01J21/12 ,  B01J29/763 ,  B01J35/0006 ,  B01J35/1061 ,  F01N3/2828 ,  B01D53/9436 ,  B01D53/9472 ,  B01D53/9418 ,  F01N2370/04 ,  F01N2330/30 ,  F01N2510/0684 ,  B01D2255/9035 ,  B01D2258/012 ,  B01D2255/9155 ,  B01D2255/50 ,  B01D2255/20761 ,  B01D2255/20738 ,  B01D2255/2073 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2065 ,  B01D2255/9202 ,  B01D2251/2062

Abstract: A composite, zone-coated, dual-use ammonia (AMOX) and nitric oxide oxidation catalyst (12) 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); two or more catalyst washcoat zones (1; 2) comprised of a first catalyst washcoat layer (9) comprising a refractory metal oxide support material and one or more platinum group metal components supported thereon and a second catalyst washcoat layer (11) different from the first catalyst washcoat layer (9) and comprising a refractory metal oxide support material and one or more platinum group metal components supported thereon, which two or more catalyst washcoat zones (1; 2) being arranged axially in series on and along the substrate surface, wherein a first catalyst washcoat zone (1) having a length L1, wherein L1 48.8 g/l (>0.8 g/in3), wherein the particulate metal oxide is an aluminosilicate zeolite including at least one of copper, iron and manganese, wherein a total platinum group metal loading in the first catalyst washcoat zone (1) defined in grams of platinum group metal per litre of substrate volume (g/l) is different from the total platinum group metal loading in the second catalyst washcoat zone (2).

公开(公告)号：US20230191379A1

公开(公告)日：2023-06-22

申请号：US18171124

申请日：2023-02-17

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

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

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

CPC classification number: B01J29/763 ,  B01D53/9418 ,  B01J21/04 ,  B01J23/42 ,  B01J35/002 ,  B01J35/04 ,  B01J35/0006 ,  B01J35/026 ,  B01J35/1076 ,  B01J37/08 ,  B01J37/0215 ,  B01J37/0236 ,  B05D7/22 ,  F01N3/035 ,  F01N3/106 ,  F01N3/2066 ,  F01N3/2803 ,  F01N3/2828 ,  F01N13/009 ,  B01D2255/50 ,  B01D2255/2092 ,  B01D2255/20761 ,  F01N2250/02 ,  F01N2330/00 ,  F01N2330/06 ,  F01N2330/22 ,  F01N2370/04 ,  Y02T10/12

Abstract: An emissions control device for treating or removing pollutants from an exhaust gas produced by an internal combustion engine is disclosed. The emissions control device comprises a solid foam layer disposed on a substrate, wherein the solid foam layer disposed on a substrate has an open cell structure and comprises a particulate material which is a catalytic material comprising a catalytically active metal supported on a support material.

公开(公告)号：US20190217278A1

公开(公告)日：2019-07-18

申请号：US16248055

申请日：2019-01-15

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Andrew CHIFFEY ,  Oliver COOPER ,  Christopher DALY ,  Francois MOREAU

IPC: B01J23/644 ,  B01J23/58 ,  F01N3/10

CPC classification number: B01J23/6447 ,  B01D53/9468 ,  B01D53/9472 ,  B01D2255/1021 ,  B01D2255/2042 ,  B01D2255/2047 ,  B01D2255/2092 ,  B01D2255/2096 ,  B01D2255/9022 ,  B01D2255/9032 ,  B01J21/12 ,  B01J23/58 ,  B01J35/04 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/0248 ,  B01J2523/00 ,  B01J2523/22 ,  B01J2523/24 ,  B01J2523/25 ,  B01J2523/54 ,  B01J2523/828 ,  F01N3/103 ,  F01N2250/12 ,  F01N2370/02 ,  F01N2510/0684 ,  B01J2523/23

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) or an oxide thereof; an alkaline earth metal 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 comprising alumina doped with silica in a total amount of 0.5 to 15% by weight of the alumina.

公开(公告)号：US20240091745A1

公开(公告)日：2024-03-21

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: B01J23/44 ,  B01J21/08 ,  B01J23/42 ,  B01J37/02 ,  F01N3/023 ,  F01N3/10

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 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：US20150273452A1

公开(公告)日：2015-10-01

申请号：US14676175

申请日：2015-04-01

Applicant: Johnson Matthey Public Limited Company

Inventor： Andrew Francis CHIFFEY ,  Paul Richard PHILLIPS ,  Francois MOREAU ,  Christopher DALY ,  Matthew O'BRIEN

IPC: B01J29/74 ,  B01D53/94 ,  B01J23/63 ,  B01J35/04 ,  B01J29/70

Abstract: An oxidation catalyst for treating an exhaust gas from a diesel engine and an exhaust system comprising the oxidation catalyst are described. The oxidation catalyst comprises: a first washcoat region for adsorbing NOx, wherein the first washcoat region comprises a zeolite catalyst, wherein the zeolite catalyst comprises a noble metal and a zeolite; a second washcoat region for oxidising nitric oxide (NO), wherein the second washcoat region comprises platinum (Pt) and a support material; and a substrate having an inlet end and an outlet end.

Abstract translation: 描述了用于处理来自柴油发动机的废气的氧化催化剂和包含氧化催化剂的排气系统。 所述氧化催化剂包括：用于吸附NOx的第一修补基面涂层区域，其中所述第一修补基面涂层区域包含沸石催化剂，其中所述沸石催化剂包含贵金属和沸石; 用于氧化一氧化氮（NO）的第二修补基面涂层区域，其中所述第二修补基面涂层区域包含铂（Pt）和载体材料; 以及具有入口端和出口端的基底。

公开(公告)号：US20220152589A1

公开(公告)日：2022-05-19

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: B01J23/44 ,  B01J23/42 ,  B01J21/08 ,  B01J37/02 ,  F01N3/10 ,  F01N3/023

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

公开(公告)号：US20170106337A1

公开(公告)日：2017-04-20

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 ,  F01N3/10 ,  B01J23/656 ,  B01J35/04 ,  B01J29/78 ,  B01J23/644

CPC classification number: B01D53/944 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2092 ,  B01D2255/2096 ,  B01D2255/2098 ,  B01D2255/30 ,  B01D2255/50 ,  B01D2255/902 ,  B01D2255/9022 ,  B01D2255/9025 ,  B01D2255/903 ,  B01D2255/9032 ,  B01D2255/91 ,  B01D2255/912 ,  B01D2258/012 ,  B01J23/6445 ,  B01J23/6447 ,  B01J23/6562 ,  B01J29/78 ,  B01J29/7815 ,  B01J29/80 ,  B01J29/83 ,  B01J35/0006 ,  B01J35/04 ,  B01J37/0036 ,  B01J37/0205 ,  B01J37/0213 ,  B01J37/0234 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/10 ,  B01J2229/186 ,  B01J2523/00 ,  F01N3/0814 ,  F01N3/103 ,  F01N2330/60 ,  F01N2370/04 ,  Y02A50/2322 ,  Y02T10/24 ,  B01J2523/31 ,  B01J2523/41 ,  B01J2523/54 ,  B01J2523/824 ,  B01J2523/828 ,  B01J2523/53

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：US20160236179A1

公开(公告)日：2016-08-18

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: B01J23/44 ,  B01J35/04 ,  B01D53/94 ,  B01J29/74

CPC classification number: B01J23/44 ,  B01D53/944 ,  B01D53/9463 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2042 ,  B01D2255/20761 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2255/50 ,  B01D2255/9022 ,  B01D2255/903 ,  B01D2258/012 ,  B01J21/12 ,  B01J29/7007 ,  B01J29/763 ,  B01J35/0006 ,  B01J35/0013 ,  B01J35/0066 ,  B01J35/023 ,  B01J35/04 ,  B01J35/1009 ,  B01J35/1014 ,  B01J37/0215 ,  B01J37/038 ,  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.

Abstract translation: 一种用于处理由压缩点火发动机产生的废气的氧化催化剂，包括：基板; 催化材料，其设置在所述基底上，其中所述催化材料包含铂（Pt）; 以及包括捕获材料的区域，其中所述区域布置成在废气已经接触和/或通过催化材料之后接触排气。