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1.发明公开
公开(公告)号：EP4283100A3
公开(公告)日：2024-02-28
申请号：EP23198352.9
申请日：2020-10-13
Applicant: Johnson Matthey Public Limited Company
Inventor： CHIFFEY, Andrew Francis , COLE, Kieran John , COOPER, Oliver , DALY, Christopher , GILBERT, Lee Alexander , HANLEY, Robert , MICALLEF, David , MOREAU, Francois , PHILLIPS, Paul , PLATT, George
IPC: B01D53/94 , B01J23/58 , B01J35/00 , B01J37/02 , F01N3/10 , B01J23/40 , B01J23/42 , B01J23/44 , B01J23/63 , B01J35/56 , F01N13/00 , F01N3/28 , F01N3/021 , F01N3/24
Abstract: A composite oxidation catalyst (14, 16, 18, 20) for use in an exhaust system for treating an exhaust gas produced by a vehicular heavy-duty diesel vehicle, and upstream of a particulate matter filter (44, 50) in the exhaust system comprises: a substrate (5), optionally 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); 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 Li, wherein Li 2 , wherein L 2
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公开(公告)号：EP4083396A1
公开(公告)日：2022-11-02
申请号：EP22174240.6
申请日：2016-10-05
Applicant: Johnson Matthey Public Limited Company
Inventor： CHIFFEY, Andrew Francis , CORPS, Jack , MITCHELL-DOWNIE, Laura , MOREAU, Francois , O'BRIEN, Matthew
Abstract: A NO x absorber catalyst PNA for treating an exhaust gas from a diesel engine. The NO x absorber catalyst comprises an inlet end and an outlet end, a first NO x absorber material comprising a small pore molecular sieve catalyst (like AEI or CHA) comprising palladium (Pd) as a noble metal; a second NO x absorber material comprising palladium (Pd) supported on an oxide of cerium.
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3.发明授权
公开(公告)号：EP2401059B1
公开(公告)日：2020-09-23
申请号：EP10707949.3
申请日：2010-02-26
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
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公开(公告)号：EP3636336A1
公开(公告)日：2020-04-15
申请号：EP19213607.5
申请日：2012-12-11
Applicant: Johnson Matthey Public Limited Company
Inventor： BLAKEMAN, Philip Gerald , BROWN, Gavin Michael , CHATTERJEE, Sougato , CHIFFEY, Andrew Francis , GAST, Jane , PHILLIPS, Paul Richard , RAJARAM, Raj Rao , SPREITZER, Glen , WALKER, Andrew Peter
Abstract: An exhaust system (20) for a lean-burn internal combustion engine comprises: a first A catalysed flow-through substrate monolith (12) for use in treating exhaust gas emitted from a the lean-burn internal combustion engine, which catalysed flow-through substrate monolith (12) comprising a first washcoat coating (16) and a second washcoat coating (18), wherein the first washcoat coating (16) 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 the at least one PGM in the first washcoat coating (16) comprises platinum; or both platinum and palladium at a weight ratio of greater than 2:1, which is liable to volatilise when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures of ≥700°C, wherein the second washcoat coating comprises, for trapping volatilised PGM, at least one metal oxide selected from the group consisting of optionally stabilised alumina, amorphous silica-alumina, optionally stabilised zirconia, ceria, titania, an optionally stabilised ceria-zirconia mixed oxide and mixtures of any two or more thereof supporting at least one metal, which is palladium, for trapping volatilised PGM and wherein the second washcoat coating (18) is oriented to contact exhaust gas that has contacted the first washcoat coating; a second catalysed substrate monolith (14) comprising a selective catalytic reduction (SCR) catalyst, which second catalysed substrate monolith (14) is disposed downstream from the first catalysed flow-through substrate monolith (12); and an injector (13) for injecting nitrogenous reductant into exhaust gas between the first catalysed flow-through substrate monolith (12) and the second catalysed substrate monolith (14).
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公开(公告)号：EP2790816B1
公开(公告)日：2019-12-11
申请号：EP12812321.3
申请日：2012-12-11
Applicant: Johnson Matthey Public Limited Company
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Patent Agency Ranking
公开(公告)号：EP3334912B1
公开(公告)日：2019-11-27
申请号：EP16781161.1
申请日：2016-10-05
Applicant: Johnson Matthey Public Limited Company
Inventor： BERGEAL, David , BROWN, Gavin , CHIFFEY, Andrew Francis , MOREAU, Francois , O'BRIEN, Matthew
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公开(公告)号：EP2996806A1
公开(公告)日：2016-03-23
申请号：EP14725523.6
申请日：2014-05-16
Applicant: Johnson Matthey Public Limited Company
Inventor： CHIFFEY, Andrew Francis , COLLINS, Neil Robert , GOODWIN, John Benjamin , MOREAU, Francois , PHILLIPS, Paul Richard
CPC classification number: 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
Abstract: 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.
Abstract translation: 1。一种用于处理来自压燃式发动机的废气的氧化催化剂，所述氧化催化剂包含：基材;包含钯（Pd）的第一载体涂料区和包含氧化铈的第一载体材料; 和包含铂（Pt）和第二载体材料的第二洗涂层区域。
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公开(公告)号：EP2763791B1
公开(公告)日：2015-09-30
申请号：EP12773358.2
申请日：2012-10-05
Inventor： BLAKEMAN, Philip , BROWN, Gavin Michael , CHATTERJEE, Sougato , CHIFFEY, Andrew Francis , GAST, Jane , OYAMADA, Hanako , PHILLIPS, Paul Richard , RAJARAM, Raj Rao , SUMIYA, Satoshi , WANG, Lifeng , WALKER, Andrew
IPC: B01J37/02 , B01J37/03 , B01J35/00 , B01J20/18 , B01J23/42 , B01J23/44 , B01D53/94 , B01J29/06 , B01J29/068 , B01J29/74 , B01J29/76 , B01J35/04 , F01N3/20 , F01N3/28
CPC classification number: B01J29/763 , B01D53/9431 , B01D53/944 , B01D53/9477 , B01D2253/108 , B01D2255/1021 , B01D2255/1023 , B01D2255/2065 , B01D2255/207 , B01D2255/20707 , B01D2255/50 , B01D2255/902 , B01D2255/9022 , B01D2255/912 , B01D2258/012 , B01J20/18 , B01J21/04 , B01J21/12 , B01J23/42 , B01J23/44 , B01J29/06 , B01J29/068 , B01J29/7007 , B01J29/7415 , B01J29/7615 , B01J35/0006 , B01J35/04 , B01J37/0244 , B01J37/0246 , B01J37/038 , B01J2229/186 , F01N3/208 , F01N3/2803 , Y02A50/2341 , Y10S502/52712
Abstract: The invention provides an oxidation catalyst for the oxidative treatment of a hydrocarbon (HC) and carbon monoxide (CO) in an exhaust gas. The oxidation catalyst comprises a supporting substrate and a plurality of catalyst layers supported on the supporting substrate, wherein the plurality of catalyst layers comprise a washcoat material, an active metal and a hydrocarbon adsorbent, and wherein one catalyst layer lies on the catalyst surface layer side and one or more other catalyst layers lie on the side lower than the said one catalyst layer; and wherein: (a) the amount of hydrocarbon adsorbent in the said one catalyst layer is greater than the amount of hydrocarbon adsorbent in the said one or more other catalyst layers, and the concentration of active metal in the said one catalyst layer is the same as or less than the concentration of active metal in the said one or more other catalyst layers; or (b) the amount of hydrocarbon adsorbent in the said one catalyst layer is the same as the amount of hydrocarbon adsorbent in the said one or more other catalyst layers, and the concentration of active metal in the said one catalyst layer is less than the concentration of active metal in the said one or more other catalyst layers.
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公开(公告)号：EP2763791A2
公开(公告)日：2014-08-13
申请号：EP12773358.2
申请日：2012-10-05
Inventor： BLAKEMAN, Philip , BROWN, Gavin Michael , CHATTERJEE, Sougato , CHIFFEY, Andrew Francis , GAST, Jane , OYAMADA, Hanako , PHILLIPS, Paul Richard , RAJARAM, Raj Rao , SUMIYA, Satoshi , WANG, Lifeng , WALKER, Andrew
IPC: B01J23/42 , B01J23/44 , B01J29/068 , B01J37/02 , B01D53/94
CPC classification number: B01J29/763 , B01D53/9431 , B01D53/944 , B01D53/9477 , B01D2253/108 , B01D2255/1021 , B01D2255/1023 , B01D2255/2065 , B01D2255/207 , B01D2255/20707 , B01D2255/50 , B01D2255/902 , B01D2255/9022 , B01D2255/912 , B01D2258/012 , B01J20/18 , B01J21/04 , B01J21/12 , B01J23/42 , B01J23/44 , B01J29/06 , B01J29/068 , B01J29/7007 , B01J29/7415 , B01J29/7615 , B01J35/0006 , B01J35/04 , B01J37/0244 , B01J37/0246 , B01J37/038 , B01J2229/186 , F01N3/208 , F01N3/2803 , Y02A50/2341 , Y10S502/52712
Abstract: The invention provides an oxidation catalyst for the oxidative treatment of a hydrocarbon (HC) and carbon monoxide (CO) in an exhaust gas. The oxidation catalyst comprises a supporting substrate and a plurality of catalyst layers supported on the supporting substrate, wherein the plurality of catalyst layers comprise a washcoat material, an active metal and a hydrocarbon adsorbent, and wherein one catalyst layer lies on the catalyst surface layer side and one or more other catalyst layers lie on the side lower than the said one catalyst layer; and wherein: (a) the amount of hydrocarbon adsorbent in the said one catalyst layer is greater than the amount of hydrocarbon adsorbent in the said one or more other catalyst layers, and the concentration of active metal in the said one catalyst layer is the same as or less than the concentration of active metal in the said one or more other catalyst layers; or (b) the amount of hydrocarbon adsorbent in the said one catalyst layer is the same as the amount of hydrocarbon adsorbent in the said one or more other catalyst layers, and the concentration of active metal in the said one catalyst layer is less than the concentration of active metal in the said one or more other catalyst layers.
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公开(公告)号：EP1704308A1
公开(公告)日：2006-09-27
申请号：EP04806043.8
申请日：2004-12-14
Applicant: Johnson Matthey Public Limited Company
Inventor： CHIFFEY, Andrew Francis , PHILLIPS, Paul Richard
CPC classification number: F01N3/2892 , B01D53/9431 , F01N3/0231 , F01N3/035 , F01N13/0097 , F01N2240/20 , F01N2330/04 , F01N2330/06 , F01N2330/36 , Y02C20/10
Abstract: An exhaust system (10) for a lean burn internal combustion engine comprises a particulate filter (12) disposed between an inlet (18) and an outlet and means (14) for deflecting at least some exhaust gas flowing in the system away from entering the filter at a point immediately opposite the inlet.
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