公开(公告)号：US20150224478A1

公开(公告)日：2015-08-13

申请号：US14691104

申请日：2015-04-20

申请人： Johnson Matthey Public Limited Company

发明人： David BERGEAL ,  Andrew Francis CHIFFEY ,  John Benjamin GOODWIN ,  Daniel HATCHER ,  Francois MOREAU ,  Agnes RAJ ,  Raj Rao RAJARAM ,  Paul Richard PHILLIPS ,  Cathal PRENDERGAST

IPC分类号： B01J23/58 ,  B01J21/12 ,  B01D53/94 ,  B01J23/44 ,  B01J35/00 ,  B01J35/04 ,  B01J21/10

CPC分类号： B01D53/944 ,  B01D53/62 ,  B01D53/922 ,  B01D53/945 ,  B01D53/9468 ,  B01D53/9472 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/204 ,  B01D2255/2042 ,  B01D2255/2047 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2255/50 ,  B01D2255/502 ,  B01D2255/902 ,  B01D2255/9022 ,  B01D2255/9032 ,  B01D2255/908 ,  B01D2255/912 ,  B01D2255/915 ,  B01D2255/9155 ,  B01D2258/012 ,  B01J21/04 ,  B01J21/10 ,  B01J21/12 ,  B01J23/002 ,  B01J23/005 ,  B01J23/42 ,  B01J23/44 ,  B01J23/58 ,  B01J23/63 ,  B01J29/7415 ,  B01J35/0006 ,  B01J35/023 ,  B01J35/04 ,  B01J37/0036 ,  B01J37/0205 ,  B01J37/0215 ,  B01J37/0234 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/0248 ,  B01J2523/00 ,  F01N3/035 ,  F01N3/103 ,  F01N3/20 ,  F01N3/2807 ,  F01N3/2828 ,  F01N2370/02 ,  F01N2510/0684 ,  Y02A50/2341 ,  Y10S502/524 ,  Y10S502/52712 ,  Y10S502/52713 ,  B01J2523/25 ,  B01J2523/31 ,  B01J2523/41 ,  B01J2523/824 ,  B01J2523/828 ,  B01J2523/24 ,  B01J2523/22

摘要： 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.

摘要翻译： 一种用于压缩点火发动机的排气系统，包括用于处理来自压缩点火式发动机的废气中的一氧化碳（CO）和烃（HC））的氧化催化剂，其中所述氧化催化剂包括：铂族金属（PGM）组分，其选自 由铂（Pt）组分，钯（Pd）组分及其组合组成的组; 碱土金属组分; 包含掺杂有杂原子组分的改性氧化铝的载体材料; 以及基板，其中所述铂族金属（PGM）成分，所述碱土金属成分和所述载体材料配置在所述基板上。

公开(公告)号：US20230193805A1

公开(公告)日：2023-06-22

申请号：US18067890

申请日：2022-12-19

申请人： JOHNSON MATTHEY PUBLIC LIMITED COMPANY

发明人： Hai-Ying CHEN ,  Joseph FEDEYKO ,  Jing LU ,  Arthur REINING ,  Agnes RAJ

IPC分类号： F01N3/28 ,  F01N3/20

CPC分类号： F01N3/2803 ,  F01N3/206 ,  F01N3/2006 ,  F01N2370/04 ,  F01N2510/063

摘要： The present invention relates to a compressed natural gas combustion and exhaust system comprising: (i) a natural gas combustion engine and (ii) an exhaust treatment system comprising an intake for receiving an exhaust gas from the combustion engine and a catalyst article arranged to receive and treat the exhaust gas, wherein the catalyst article comprises: a substrate having at least first and second coatings, the first coating comprising a palladium-containing alumina and/or a base-metal containing alumina and the second coating comprising a palladium-containing zeolite, wherein the first coating is arranged to contact the exhaust gas before the second coating; and, wherein the system is configured to selectively operate in: (a) a lean first mode in which sulphur is trapped on the first coating; and (b) a rich second mode whereby sulphur is released from the first coating. The present invention further relates to a method.

公开(公告)号：US20150298059A1

公开(公告)日：2015-10-22

申请号：US14710148

申请日：2015-05-12

申请人： Johnson Matthey Public Limited Company

发明人： David BERGEAL ,  Andrew Francis CHIFFEY ,  John Benjamin GOODWIN ,  Daniel HATCHER ,  Francois MOREAU ,  Agnes RAJ ,  Raj Rao RAJARAM ,  Paul Richard PHILLIPS ,  Cathal PRENDERGAST ,  Gavin Michael BROWN

IPC分类号： B01D53/94 ,  B01J29/74 ,  F01N3/035 ,  B01J23/58 ,  B01J35/04 ,  B01J35/00 ,  B01J23/00

CPC分类号： B01D53/944 ,  B01D53/62 ,  B01D53/922 ,  B01D53/945 ,  B01D53/9468 ,  B01D53/9472 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/204 ,  B01D2255/2042 ,  B01D2255/2047 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2255/50 ,  B01D2255/502 ,  B01D2255/902 ,  B01D2255/9022 ,  B01D2255/9032 ,  B01D2255/908 ,  B01D2255/912 ,  B01D2255/915 ,  B01D2255/9155 ,  B01D2258/012 ,  B01J21/04 ,  B01J21/10 ,  B01J21/12 ,  B01J23/002 ,  B01J23/005 ,  B01J23/42 ,  B01J23/44 ,  B01J23/58 ,  B01J23/63 ,  B01J29/7415 ,  B01J35/0006 ,  B01J35/023 ,  B01J35/04 ,  B01J37/0036 ,  B01J37/0205 ,  B01J37/0215 ,  B01J37/0234 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/0248 ,  B01J2523/00 ,  F01N3/035 ,  F01N3/103 ,  F01N3/20 ,  F01N3/2807 ,  F01N3/2828 ,  F01N2370/02 ,  F01N2510/0684 ,  Y02A50/2341 ,  Y10S502/524 ,  Y10S502/52712 ,  Y10S502/52713 ,  B01J2523/25 ,  B01J2523/31 ,  B01J2523/41 ,  B01J2523/824 ,  B01J2523/828 ,  B01J2523/24 ,  B01J2523/22

摘要： A catalysed soot filter comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from a compression ignition engine disposed on a filtering substrate, 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.

摘要翻译： 一种催化烟尘过滤器，包括用于处理设置在过滤衬底上的压缩点火式发动机的废气中的一氧化碳（CO）和烃（HC））的氧化催化剂，其中所述氧化催化剂包括：铂族金属（PGM）组分，其选自 由铂（Pt）组分，钯（Pd）组分及其组合组成的组; 碱土金属组分; 包含掺杂有杂原子组分的改性氧化铝的载体材料。

公开(公告)号：US20140147359A1

公开(公告)日：2014-05-29

申请号：US14086062

申请日：2013-11-21

申请人： Johnson Matthey Public Limited Company

发明人： David BERGEAL ,  Andrew Francis CHIFFEY ,  John Benjamin GOODWIN ,  Daniel HATCHER ,  Francois MOREAU ,  Agnes RAJ ,  Raj Rao RAJARAM ,  Paul Richard PHILLIPS ,  Cathal PRENDERGAST ,  Gavin Michael BROWN

IPC分类号： F01N3/28 ,  B01D53/94 ,  B01J23/58

CPC分类号： B01D53/944 ,  B01D53/62 ,  B01D53/922 ,  B01D53/945 ,  B01D53/9468 ,  B01D53/9472 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/204 ,  B01D2255/2042 ,  B01D2255/2047 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2255/50 ,  B01D2255/502 ,  B01D2255/902 ,  B01D2255/9022 ,  B01D2255/9032 ,  B01D2255/908 ,  B01D2255/912 ,  B01D2255/915 ,  B01D2255/9155 ,  B01D2258/012 ,  B01J21/04 ,  B01J21/10 ,  B01J21/12 ,  B01J23/002 ,  B01J23/005 ,  B01J23/42 ,  B01J23/44 ,  B01J23/58 ,  B01J23/63 ,  B01J29/7415 ,  B01J35/0006 ,  B01J35/023 ,  B01J35/04 ,  B01J37/0036 ,  B01J37/0205 ,  B01J37/0215 ,  B01J37/0234 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/0248 ,  B01J2523/00 ,  F01N3/035 ,  F01N3/103 ,  F01N3/20 ,  F01N3/2807 ,  F01N3/2828 ,  F01N2370/02 ,  F01N2510/0684 ,  Y02A50/2341 ,  Y10S502/524 ,  Y10S502/52712 ,  Y10S502/52713 ,  B01J2523/25 ,  B01J2523/31 ,  B01J2523/41 ,  B01J2523/824 ,  B01J2523/828 ,  B01J2523/24 ,  B01J2523/22

摘要： A catalysed soot filter comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from a compression ignition engine disposed on a filtering substrate, 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.

摘要翻译： 一种催化烟尘过滤器，包括用于处理设置在过滤衬底上的压缩点火式发动机的废气中的一氧化碳（CO）和烃（HC））的氧化催化剂，其中所述氧化催化剂包括：铂族金属（PGM）组分，其选自 由铂（Pt）组分，钯（Pd）组分及其组合组成的组; 碱土金属组分; 包含掺杂有杂原子组分的改性氧化铝的载体材料。

公开(公告)号：US20140140911A1

公开(公告)日：2014-05-22

申请号：US14086019

申请日：2013-11-21

申请人： Johnson Matthey Public Limited Company

发明人： David BERGEAL ,  Andrew Francis CHIFFEY ,  John Benjamin GOODWIN ,  Daniel HATCHER ,  Francois MOREAU ,  Agnes RAJ ,  Raj Rao RAJARAM ,  Paul Richard PHILLIPS ,  Cathal PRENDERGAST

IPC分类号： B01J23/58 ,  F01N3/20 ,  B01D53/94

CPC分类号： B01D53/944 ,  B01D53/62 ,  B01D53/922 ,  B01D53/945 ,  B01D53/9468 ,  B01D53/9472 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/204 ,  B01D2255/2042 ,  B01D2255/2047 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2255/50 ,  B01D2255/502 ,  B01D2255/902 ,  B01D2255/9022 ,  B01D2255/9032 ,  B01D2255/908 ,  B01D2255/912 ,  B01D2255/915 ,  B01D2255/9155 ,  B01D2258/012 ,  B01J21/04 ,  B01J21/10 ,  B01J21/12 ,  B01J23/002 ,  B01J23/005 ,  B01J23/42 ,  B01J23/44 ,  B01J23/58 ,  B01J23/63 ,  B01J29/7415 ,  B01J35/0006 ,  B01J35/023 ,  B01J35/04 ,  B01J37/0036 ,  B01J37/0205 ,  B01J37/0215 ,  B01J37/0234 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/0248 ,  B01J2523/00 ,  F01N3/035 ,  F01N3/103 ,  F01N3/20 ,  F01N3/2807 ,  F01N3/2828 ,  F01N2370/02 ,  F01N2510/0684 ,  Y02A50/2341 ,  Y10S502/524 ,  Y10S502/52712 ,  Y10S502/52713 ,  B01J2523/25 ,  B01J2523/31 ,  B01J2523/41 ,  B01J2523/824 ,  B01J2523/828 ,  B01J2523/24 ,  B01J2523/22

摘要： 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.

摘要翻译： 一种用于压缩点火发动机的排气系统，包括用于处理来自压缩点火式发动机的废气中的一氧化碳（CO）和烃（HC））的氧化催化剂，其中所述氧化催化剂包括：铂族金属（PGM）组分，其选自 由铂（Pt）组分，钯（Pd）组分及其组合组成的组; 碱土金属组分; 包含掺杂有杂原子组分的改性氧化铝的载体材料; 以及基板，其中所述铂族金属（PGM）成分，所述碱土金属成分和所述载体材料配置在所述基板上。

公开(公告)号：US20230323802A1

公开(公告)日：2023-10-12

申请号：US18132591

申请日：2023-04-10

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

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

IPC分类号： 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分类号： 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

摘要： 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：US20170087512A1

公开(公告)日：2017-03-30

申请号：US15375745

申请日：2016-12-12

申请人： Johnson Matthey Public Limited Company

发明人： David BERGEAL ,  Andrew Francis CHIFFEY ,  John Benjamin GOODWIN ,  Daniel HATCHER ,  Francois MOREAU ,  Agnes RAJ ,  Raj Rao RAJARAM ,  Paul Richard PHILLIPS ,  Cathal PRENDERGAST

IPC分类号： B01D53/94 ,  B01J21/12 ,  F01N3/28 ,  B01J35/00 ,  B01J37/02 ,  F01N3/10 ,  B01J23/58 ,  B01J21/10

CPC分类号： B01D53/944 ,  B01D53/62 ,  B01D53/922 ,  B01D53/945 ,  B01D53/9468 ,  B01D53/9472 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/204 ,  B01D2255/2042 ,  B01D2255/2047 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2255/50 ,  B01D2255/502 ,  B01D2255/902 ,  B01D2255/9022 ,  B01D2255/9032 ,  B01D2255/908 ,  B01D2255/912 ,  B01D2255/915 ,  B01D2255/9155 ,  B01D2258/012 ,  B01J21/04 ,  B01J21/10 ,  B01J21/12 ,  B01J23/002 ,  B01J23/005 ,  B01J23/42 ,  B01J23/44 ,  B01J23/58 ,  B01J23/63 ,  B01J29/7415 ,  B01J35/0006 ,  B01J35/023 ,  B01J35/04 ,  B01J37/0036 ,  B01J37/0205 ,  B01J37/0215 ,  B01J37/0234 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/0248 ,  B01J2523/00 ,  F01N3/035 ,  F01N3/103 ,  F01N3/20 ,  F01N3/2807 ,  F01N3/2828 ,  F01N2370/02 ,  F01N2510/0684 ,  Y02A50/2322 ,  Y02A50/2341 ,  Y10S502/524 ,  Y10S502/52712 ,  Y10S502/52713 ,  B01J2523/25 ,  B01J2523/31 ,  B01J2523/41 ,  B01J2523/824 ,  B01J2523/828 ,  B01J2523/24 ,  B01J2523/22

摘要： 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.

公开(公告)号：US20230191386A1

公开(公告)日：2023-06-22

申请号：US18067932

申请日：2022-12-19

申请人： Johnson Matthey Public Limited Company

发明人： Agnes RAJ ,  Raj RAJARAM ,  Gudmund SMEDLER ,  David THOMPSETT

IPC分类号： B01J35/00 ,  B01J29/80 ,  B01J29/72 ,  B01J29/44 ,  B01J37/02 ,  B01J35/04 ,  F01N3/28

CPC分类号： B01J35/0006 ,  B01J29/80 ,  B01J29/723 ,  B01J29/44 ,  B01J37/0246 ,  B01J35/04 ,  B01J37/0244 ,  F01N3/2828 ,  F01N2370/04

摘要： The present invention relates to a compressed natural gas combustion and exhaust system comprising: (i) a natural gas combustion engine; and (ii) an exhaust treatment system, the exhaust treatment system comprising a intake for receiving an exhaust gas from the combustion engine and a catalyst article arranged to receive and treat the exhaust gas, wherein the catalyst article comprises: a substrate having at least first and second coatings, the first coating being free from platinum-group-metals and comprising a copper-containing zeolite having the CHA framework-type and the second coating comprising a palladium-containing zeolite, wherein the first coating is arranged to contact the exhaust gas before the second coating. The present invention further relates to a method and a use.

公开(公告)号：US20230110753A1

公开(公告)日：2023-04-13

申请号：US17938392

申请日：2022-10-06

申请人： Johnson Matthey Public Limited Company

发明人： Moyahabo Hellen CHUMA ,  Glenn JONES ,  Jane Ngima MUGO ,  Agnes RAJ

IPC分类号： B01J23/60 ,  B01J23/656 ,  B01J37/02 ,  B01D53/88 ,  B01D53/94 ,  B01J21/04

摘要： The present invention relates to a catalyst article for the exhaust system of a natural gas engine with improved sulphur and/or water tolerance. The catalyst article comprises a doped palladium-on-alumina catalyst, wherein the palladium-on-alumina catalyst is doped with manganese and/or zinc. The invention further relates to an exhaust gas treatment system, a natural gas combustion engine and to a method for the treatment of an exhaust gas from a natural gas combustion engine.

公开(公告)号：US20190255485A1

公开(公告)日：2019-08-22

申请号：US16402659

申请日：2019-05-03

申请人： Johnson Matthey Public Limited Company

发明人： David BERGEAL ,  Andrew Francis CHIFFEY ,  John Benjamin GOODWIN ,  Daniel HATCHER ,  Francois MOREAU ,  Agnes RAJ ,  Raj Rao RAJARAM ,  Paul Richard PHILLIPS ,  Cathal PRENDERGAST

IPC分类号： B01D53/94 ,  B01J23/42 ,  B01J21/04 ,  B01J23/44 ,  B01J21/12 ,  B01J35/04 ,  F01N3/28 ,  B01D53/62 ,  B01J23/00 ,  B01J21/10 ,  B01D53/92 ,  B01J37/02 ,  B01J35/00 ,  F01N3/035 ,  B01J23/58 ,  F01N3/10 ,  B01J29/74 ,  F01N3/20

摘要： 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.