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公开(公告)号：US11338245B2
公开(公告)日：2022-05-24
申请号：US16409969
申请日：2019-05-13
IPC分类号： B01D53/94 , B01J37/02 , B01J35/00 , F01N3/28 , B01J23/66 , B01J23/34 , B01J23/38 , B01D53/56 , B01J23/42 , B01D53/62 , B01J23/44 , B01D53/72 , B01J23/58 , B01J23/63 , B01D53/92 , B01J29/40 , B01J37/10 , B01J29/74 , B01J35/02 , B01J37/00 , F01N3/10 , F01N3/035 , B01J21/12 , B01J23/656 , B01J23/10 , B01J29/70 , B01J35/04 , B01J23/02 , B01J37/08
摘要： 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.
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公开(公告)号：US11167246B2
公开(公告)日：2021-11-09
申请号：US16108279
申请日：2018-08-22
IPC分类号： B01D53/94 , B01J37/02 , B01J35/00 , F01N3/28 , B01J23/66 , B01J23/34 , B01J23/38 , B01D53/56 , B01J23/42 , B01D53/62 , B01J23/44 , B01D53/72 , B01J23/58 , B01J23/63 , B01D53/92 , B01J29/40 , B01J37/10 , B01J29/74 , B01J35/02 , B01J37/00 , F01N3/10 , F01N3/035 , B01J21/12 , B01J23/656 , B01J23/10 , B01J29/70 , B01J35/04 , B01J23/02 , B01J37/08
摘要： 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 0.5 to 45% by weight of the alumina, wherein the platinum (Pt) is disposed or supported on the second support material and the manganese (Mn) is disposed or supported on the second support material; and a substrate having an inlet end and an outlet end, and wherein the first washcoat region is a first washcoat layer and the second washcoat region is a second washcoat layer, and the second washcoat layer is disposed on the first washcoat layer; and wherein when the oxidation catalyst comprises a hydrocarbon adsorbent, which is a zeolite, then the first washcoat region further comprises the hydrocarbon adsorbent.
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公开(公告)号：US10357743B2
公开(公告)日：2019-07-23
申请号：US15293364
申请日：2016-10-14
发明人： Andrew Francis Chiffey , Oliver Cooper , Christopher Daly , Mark Feaviour , Steven Merrick , Francois Moreau , Matthew O'Brien , David Thompsett
IPC分类号： 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
摘要： 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.
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公开(公告)号：US10207254B2
公开(公告)日：2019-02-19
申请号：US15447294
申请日：2017-03-02
发明人： Philip Gerald Blakeman , Gavin Michael Brown , Sougato Chatterjee , Andrew Francis Chiffey , Jane Gast , Paul Richard Phillips , Raj Rao Rajaram , Glen Spreitzer , Andrew Peter Walker
IPC分类号： B01J23/44 , B01D53/94 , B01J21/04 , B01J23/40 , B01J23/42 , B01J23/63 , B01J29/76 , B01J33/00 , B01J35/00 , B01J35/04 , B01J37/02 , B01J37/03 , F01N3/035 , F01N3/20
摘要： A catalyzed substrate monolith 12 for use in treating exhaust gas emitted from a lean-burn internal combustion engine, which catalyzed substrate monolith 12 comprising a first washcoat coating 16 and a second washcoat coating 18, wherein the first washcoat coating comprises a catalyst composition comprising at least one platinum group metal (PGM) and at least one support material for the at least one PGM, wherein at least one PGM in the first washcoat coating is liable to volatilize when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures, wherein the second washcoat coating comprises at least one metal oxide for trapping volatilized PGM and wherein the second washcoat coating is oriented to contact exhaust gas that has contacted the first washcoat coating.
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5.发明授权公开(公告)号：US10179325B2
公开(公告)日：2019-01-15
申请号：US15017681
申请日：2016-02-08
发明人： Andrew Francis Chiffey , Christopher Daly , Daniel Hatcher , James Leeland , Francois Moreau , Paul Richard Phillips
IPC分类号： B01D53/94 , B01J23/44 , B01J35/04 , B01J37/03 , B01J35/00 , B01J35/02 , B01J35/10 , B01J37/02 , B01J21/12 , B01J29/70 , B01J29/76 , F01N3/10
摘要： 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.
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公开(公告)号：US10151227B2
公开(公告)日：2018-12-11
申请号：US15205020
申请日：2016-07-08
发明人： 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
IPC分类号： F01N3/08 , B01D53/94 , F01N3/10 , B01J23/656 , B01J37/02 , B01J35/00 , B01J23/34 , B01J29/74 , B01J29/78 , B01J23/63 , B01J35/04 , B01D46/24 , B01J23/00
摘要： 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.
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公开(公告)号：US09987618B2
公开(公告)日：2018-06-05
申请号：US15492211
申请日：2017-04-20
发明人： Andrew Francis Chiffey , Neil Robert Collins , John Benjamin Goodwin , Francois Moreau , Paul Richard Phillips
IPC分类号： B01J21/04 , B01J21/06 , B01J21/08 , B01J21/12 , B01J23/10 , B01J23/42 , B01J23/44 , B01J23/56 , B01J23/63 , B01J29/03 , B01J29/04 , B01J29/06 , B01J35/04 , B01D53/94 , F01N3/10 , F01N3/20 , F01N3/28 , B01J37/02 , B01J35/00 , B01J23/58 , B01J29/70 , B01J29/74
CPC分类号： B01J23/63 , B01D53/944 , B01D53/9468 , B01D53/9472 , B01D53/9477 , B01D2255/1021 , B01D2255/1023 , B01D2255/2042 , B01D2255/2065 , B01D2255/2092 , B01D2255/30 , B01D2255/50 , B01D2255/502 , B01D2255/9022 , B01D2255/9032 , B01D2255/908 , B01D2255/91 , B01D2258/012 , B01J23/42 , B01J23/58 , B01J29/7007 , B01J29/7415 , B01J35/0006 , B01J35/04 , B01J37/0225 , B01J37/0234 , B01J37/0244 , B01J37/0246 , F01N3/106 , F01N3/20 , F01N3/2842 , F01N2370/04 , Y02C20/10
摘要： 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.
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8.发明授权Catalysed soot filter for treating the exhaust gas of a compression ignition engine 有权用于处理压燃式发动机废气的催化烟灰过滤器公开(公告)号：US09057310B2
公开(公告)日：2015-06-16
申请号：US14086062
申请日：2013-11-21
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： B01D50/00 , B01D53/34 , B01D53/56 , B01D53/94 , B01J8/02 , C01B21/00 , C01B23/00 , C01B25/00 , C01B31/00 , C01B33/00 , C01B35/00 , C01G28/00 , C01G30/00 , F01N3/10 , B01J21/00 , B01J23/00 , B01J23/02 , B01J23/06 , B01J23/08 , B01J23/10 , B01J23/40 , B01J23/42 , B01J23/44 , B01J23/56 , B01J23/58 , B01J21/04 , C01B31/08 , F01N3/28 , F01N3/20 , B01J37/02 , B01J35/00 , B01J29/74 , B01J35/02 , B01J37/00
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。
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公开(公告)号：US11359530B2
公开(公告)日：2022-06-14
申请号：US15285579
申请日：2016-10-05
摘要： An exhaust system for treating an exhaust gas produced by a lean burn engine comprising: (i) a NOx absorber catalyst comprising a molecular sieve catalyst disposed on a substrate, wherein the molecular sieve catalyst comprises a noble metal and a molecular sieve, wherein the molecular sieve contains the noble metal; (ii) means for introducing hydrocarbons into the exhaust gas; and (iii) a lean NOx trap; wherein the NOx absorber catalyst is upstream of both the means for introducing hydrocarbons into the exhaust gas and the lean NOx trap.
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公开(公告)号：US10975745B2
公开(公告)日：2021-04-13
申请号：US16517886
申请日：2019-07-22
发明人： Andrew Francis Chiffey , Jack Corps , Laura Mitchell-Downie , Francois Moreau , Matthew O'Brien
IPC分类号： F01N3/022 , F01N3/08 , F01N13/00 , B01D53/94 , B01J23/656 , B01J29/74 , B01J29/78 , B01J35/04 , B01J37/02 , B01D53/18
摘要： A NOx absorber catalyst for treating an exhaust gas from a diesel engine. The NOx absorber catalyst comprises a first NOx absorber material comprising a molecular sieve catalyst, wherein the molecular sieve catalyst comprises a noble metal and a molecular sieve, and wherein the molecular sieve contains the noble metal; a second NOx absorber material comprising palladium (Pd) supported on an oxide of cerium; and a substrate having an inlet end and an outlet end.
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