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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.
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公开(公告)号：US20190299161A1
公开(公告)日：2019-10-03
申请号：US16367310
申请日：2019-03-28
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor： Jillian Collier , David Thompsett , Alessandro Turrina
Abstract: A NOx adsorber catalyst for treating an exhaust gas from a diesel engine. The NOx adsorber catalyst comprises a first region comprising a NOx adsorber material comprising a first molecular sieve catalyst. The first molecular sieve catalyst comprises a first noble metal and a first molecular sieve, and the first molecular sieve contains the noble metal. The first molecular sieve has an STI Framework Type.
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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.
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公开(公告)号：US08986637B2
公开(公告)日：2015-03-24
申请号：US14072942
申请日：2013-11-06
Applicant: Johnson Matthey Public Limited Company
Inventor： Janet Mary Fisher , David Thompsett
IPC: B01D53/56 , B01D53/94 , B01J8/02 , C01B21/00 , C01B23/00 , C01B25/00 , C01B31/00 , C01B33/00 , C01B35/00 , C01G28/00 , C01G30/00 , B01J29/00 , B01J29/04 , B01J29/06 , B01J21/00 , B01J21/04 , B01J23/00 , B01J23/02 , B01J23/08 , B01J23/10 , B01J23/40 , B01J23/42 , B01J23/44 , B01J23/56 , B01J23/58 , B01J23/72 , B01J23/74 , F01N3/28 , B01J23/66 , B01J23/52
CPC classification number: F01N3/2803 , B01D53/94 , B01D53/944 , B01D2255/1021 , B01D2255/1025 , B01D2255/1026 , B01D2255/106 , B01D2255/2042 , B01D2255/2061 , B01D2255/2063 , B01D2255/2065 , B01D2255/2066 , B01D2255/2068 , B01D2255/20707 , B01D2255/20715 , B01D2255/2073 , B01D2255/20738 , B01D2255/20746 , B01D2255/20753 , B01D2255/20761 , B01D2255/2094 , B01J23/52 , B01J23/66 , Y02A50/2341
Abstract: An emission control catalyst composition comprising a supported bimetallic catalyst consisting of gold and a metal selected from the group consisting of platinum, rhodium, ruthenium, copper and nickel is disclosed. Also disclosed is a catalytic convertor comprising a substrate monolith coated with the emission control catalyst composition and a lean burn internal combustion engine exhaust gas emission treatment system comprising the catalytic convertor. A variety of processes for preparing the catalyst composition are claimed.
Abstract translation: 公开了包含由金和选自铂，铑，钌，铜和镍的金属组成的负载双金属催化剂的排放控制催化剂组合物。 还公开了一种催化转化器，其包括涂覆有排放控制催化剂组合物的基材整料和包含催化转化器的贫燃内燃机废气排放处理系统。 要求保护各种制备催化剂组合物的方法。
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公开(公告)号：US11406939B2
公开(公告)日：2022-08-09
申请号：US16367310
申请日：2019-03-28
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor： Jillian Collier , David Thompsett , Alessandro Turrina
IPC: B01J29/80 , B01D53/94 , B01J29/74 , B01J35/00 , B01J35/04 , B01J37/02 , B01J37/10 , F01N3/08 , F01N3/10 , B01J23/44 , B01J29/70 , F01N3/033 , F01N3/20
Abstract: A NOx adsorber catalyst for treating an exhaust gas from a diesel engine. The NOx adsorber catalyst comprises a first region comprising a NOx adsorber material comprising a first molecular sieve catalyst. The first molecular sieve catalyst comprises a first noble metal and a first molecular sieve, and the first molecular sieve contains the noble metal. The first molecular sieve has an STI Framework Type.
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Patent Agency Ranking
公开(公告)号：US11192793B2
公开(公告)日：2021-12-07
申请号：US16693441
申请日：2019-11-25
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor： John Kilmartin , Ashwin Sankaran , David Thompsett
Abstract: A method for modifying the surface of a molecular sieve, comprising reacting a molecular sieve with an aminosilane, wherein the reaction is carried out in an aqueous solvent. A modified molecular sieve obtained by the method is also described.
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7.发明申请公开(公告)号：US20200179908A1
公开(公告)日：2020-06-11
申请号：US16701313
申请日：2019-12-03
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor： Kerry Simmance , David Thompsett
IPC: B01J23/83 , B01J23/889 , B01J23/00 , B01J35/10 , B01J35/02 , B01J35/08 , B01J37/04 , B01J37/00 , B01J37/02 , B01J37/08 , B01D53/94
Abstract: A three-way catalyst composition, and its use in an exhaust system for internal combustion engines, is disclosed. The composition can comprise a compound of formula (I): Ax-yA′yB1-zB′zO3 and a promoter metal component, wherein A is an ion of a metal of group 2 or 3 of the periodic table of elements; wherein A′ is an ion of a metal of group 1, 2, or 3 of the periodic table of elements; wherein B and B′ are ions of metal of groups 4, 6, 7, 8, 9, 10, 11, or 13 of the periodic table of elements; wherein x is from 0.7 to 1; wherein y is from 0 to 0.5; and wherein z is from 0 to 0.5.
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公开(公告)号：US20200172405A1
公开(公告)日：2020-06-04
申请号：US16693441
申请日：2019-11-25
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor： John Kilmartin , Ashwin Sankaran , David Thompsett
Abstract: A method for modifying the surface of a molecular sieve, comprising reacting a molecular sieve with an aminosilane, wherein the reaction is carried out in an aqueous solvent. A modified molecular sieve obtained by the method is also described.
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公开(公告)号：US09555371B2
公开(公告)日：2017-01-31
申请号：US14576649
申请日：2014-12-19
Applicant: Johnson Matthey Public Limited Company
Inventor： Janet Mary Fisher , Raj Rao Rajaram , David Thompsett , Jillian Elaine Collier
IPC: B01D53/94 , B01J23/10 , F01N3/28 , B01J23/20 , B01J37/03 , B01J37/02 , B01J37/08 , B01J35/00 , B01J23/648 , B01J35/10
CPC classification number: B01D53/9413 , B01D53/9418 , B01D2251/2062 , B01D2255/2065 , B01D2255/207 , B01D2255/9155 , B01D2258/012 , B01J23/20 , B01J23/6484 , B01J23/6486 , B01J35/0006 , B01J35/002 , B01J35/1019 , B01J37/0201 , B01J37/0203 , B01J37/0211 , B01J37/0236 , B01J37/0244 , B01J37/0248 , B01J37/03 , B01J37/033 , B01J37/08 , B01J2523/00 , Y02A50/2325 , B01J2523/3712 , B01J2523/56 , B01J2523/57
Abstract: Niobia- and tantala-doped ceria catalysts, their use in selective catalytic reduction (SCR) processes, and a compact after-treatment system for exhaust gases are disclosed. In some aspects, the catalyst comprises at least 91 wt. % of ceria and 0.1 to 9 wt. % of niobia or tantala doped on the ceria. While conventional SCR catalysts can deactivate at higher temperatures, the doped cerias, particularly ones having as little as 1 or 2 wt. % of Nb2O5 or Ta2O5, are activated toward NOx conversion by calcination. The doped cerias are also valuable for SCRF® catalyzed filter applications, including an after-treatment system that comprises a diesel particulate filter having inlets and outlets, and a dual-function catalyst coated on the inlets, outlets, or both. Compared with conventional SCR catalysts, the niobia or tantala-doped cerias enable a higher level of NO2 to be present.
Abstract translation: 公知了氧化铌和钽铝氧化物催化剂，它们在选择性催化还原（SCR）工艺中的应用，以及用于废气的紧凑的后处理系统。 在一些方面，催化剂包含至少91wt。 ％的二氧化铈和0.1〜9wt。 在氧化铈上掺杂的氧化铌或钽的百分比。 虽然常规SCR催化剂可以在较高温度下失活，但是掺杂的二氧化铈，特别是具有少至1或2wt。 Nb 2 O 5或Ta 2 O 5的％通过煅烧而被NOx活化。 掺杂的二氧化铈对于SCRF®催化过滤器应用也是有价值的，其包括后处理系统，其包括具有入口和出口的柴油微粒过滤器，以及涂覆在入口或出口上的双功能催化剂。 与传统的SCR催化剂相比，氧化铌或氧化钽掺杂的铈氧化物可以提供更高水平的NO2。
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公开(公告)号：US11383224B2
公开(公告)日：2022-07-12
申请号：US16837065
申请日：2020-04-01
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor： Janet Fisher , Amy Kolpin , David Thompsett
Abstract: The present disclosure is directed to compositions comprising Ce-containing mixed oxides, especially those having a stoichiometry of LnyCexMwOz; where 0.15≤x≤0.5, y≤0.25, w=(1−x−y)≥0.5, and z=(2x+2w+1.5y); M is Zr, Hf, Ti, Sn or Ge or a combination thereof; Ln is Y and/or one or more rare earth metals, exclusive of Ce, and the uses of these compositions. These compositions are characterized by the even distribution of the Ce in the lattice of the mixed oxide.
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