中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

9 records (took 0.014 seconds)

    EXHAUST GAS TREATMENT SYSTEM INCLUDING A MULTIFUNCTIONAL CATALYST
    1.
    发明公开
    EXHAUST GAS TREATMENT SYSTEM INCLUDING A MULTIFUNCTIONAL CATALYST 审中-公开

    公开(公告)号：US20240035407A1

    公开(公告)日：2024-02-01

    申请号：US18265482

    申请日：2021-12-08

    Applicant: BASF Corporation

    Inventor： Robert Dorner ,  Tobias Paul ,  Edgar Viktor Huennekes ,  Jan Martin Becker ,  Kevin Beard

    IPC: F01N3/28 ,  F01N3/20 ,  F01N13/00

    CPC classification number: F01N3/2803 ,  F01N3/2066 ,  F01N13/0097 ,  F01N2510/0684 ,  F01N2370/04

    Abstract: The present invention relates to an exhaust gas treatment system for treating an exhaust gas stream exiting a diesel engine, wherein said exhaust gas treatment system comprises a first catalyst having an inlet end and an outlet end and comprising a coating disposed on a substrate, wherein the coating comprises palladium supported on an oxidic material comprising zirconium and further comprises one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron; a second catalyst having an inlet end and an outlet end and comprising a coating disposed on a substrate, wherein the coating comprises one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron, wherein at most 0.0001 weight-% of the coating of the second catalyst consists of platinum group metal.

    Catalyst for the oxidation of NO, the oxidation of a hydrocarbon, the oxidation of NH
    2.
    发明授权
    Catalyst for the oxidation of NO, the oxidation of a hydrocarbon, the oxidation of NH 有权

    公开(公告)号：US11691125B2

    公开(公告)日：2023-07-04

    申请号：US17045925

    申请日：2019-04-30

    Applicant: BASF Corporation

    Inventor： Robert Dorner ,  Ansgar Wille ,  Kevin David Beard

    IPC: B01J23/22 ,  B01J23/72 ,  B01J23/745 ,  B01J29/76 ,  B01J37/02 ,  F01N3/20

    CPC classification number: B01J23/22 ,  B01J23/72 ,  B01J23/745 ,  B01J29/763 ,  B01J37/0228 ,  F01N3/2066

    Abstract: The present invention relates to a catalyst for the oxidation of NO, for the oxidation of ammonia, for the oxidation of HC and for the selective catalytic reduction of NOx, comprising a flow through substrate comprising an inlet end, an outlet end, a substrate axial length extending from the inlet end to the outlet end and a plurality of passages defined by internal walls of the flow through substrate extending therethrough; a first coating comprising one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron; a second coating comprising a first platinum group metal component supported on a non-zeolitic first oxidic material and further comprising one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron; optionally a third coating comprising a second platinum group metal component supported on a second oxidic material; wherein the third coating is disposed on the surface of the internal walls and under the second coating over z % of the axial length of the substrate from the outlet end to the inlet end, with z being in the range of from 0 to 100; wherein the second coating extends over y % of the axial length of the substrate from the inlet end to the outlet end and is disposed either on the surface of the internal walls, or on the surface of the internal walls and the third coating, or on the third coating, with y being in the range of from 95 to 100; wherein the first coating extends over x % of the axial length of the substrate from the inlet end to the outlet end and is disposed on the second coating, with x being in the range of from 20 to y.

    PGM catalyst coupled with a non-PGM catalyst with HC oxidation capability
    6.
    发明授权
    PGM catalyst coupled with a non-PGM catalyst with HC oxidation capability 有权

    公开(公告)号：US11517854B2

    公开(公告)日：2022-12-06

    申请号：US16479669

    申请日：2018-02-13

    Applicant: BASF Corporation

    Inventor： Robert Dorner ,  Martin Kalwei

    IPC: B01D53/94 ,  B01J21/06 ,  B01J21/12 ,  B01J23/30 ,  B01J23/42 ,  B01J35/00 ,  B01J37/02 ,  B01J37/08 ,  F01N3/10

    Abstract: The present invention relates to a diesel oxidation catalyst comprising a substrate and a wash-coat comprising a first layer and a second layer, wherein the substrate has a substrate length, a front end and a rear end, the washcoat comprising the first layer comprising a first metal oxide and comprising a platinum group metal supported on a metal oxide support material; the second layer comprising a second metal oxide and comprising one or more of an oxidic compound of vanadium, an oxidic compound of tungsten and a zeolitic material comprising one or more of Fe and Cu; wherein the first layer is at least partially disposed directly on the substrate, or is at least partially disposed directly on an intermediate layer which is disposed directly on the substrate over the entire length of the substrate, on x % of the length of the substrate from the front end of the substrate, and wherein the second layer is at least partially disposed directly on the substrate, or is at least partially disposed directly on the intermediate layer which is disposed directly on the substrate over the entire length of the substrate, on y % of the length of the substrate from the rear end of the substrate, wherein x is in the range of from 25 to 75 and y is in the range of from 25 to 75 and wherein x+y is in the range of from 95 to 105, wherein the intermediate layer comprises alumina.

Patent Agency Ranking