JP2011506094A - 触媒すすフィルタのための不動態化しない被覆法 - Google Patents

触媒すすフィルタのための不動態化しない被覆法 Download PDF

Info

Publication number
JP2011506094A
JP2011506094A JP2010539615A JP2010539615A JP2011506094A JP 2011506094 A JP2011506094 A JP 2011506094A JP 2010539615 A JP2010539615 A JP 2010539615A JP 2010539615 A JP2010539615 A JP 2010539615A JP 2011506094 A JP2011506094 A JP 2011506094A
Authority
JP
Japan
Prior art keywords
acid
sample
wall flow
substrate
slurry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2010539615A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011506094A5 (enExample
Inventor
リー，ユエチン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Corp
Original Assignee
BASF Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BASF Corp filed Critical BASF Corp
Publication of JP2011506094A publication Critical patent/JP2011506094A/ja
Publication of JP2011506094A5 publication Critical patent/JP2011506094A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027—Powdering
    • B01J37/0036—Grinding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0203—Impregnation the impregnation liquid containing organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0248—Coatings comprising impregnated particles
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0006—Honeycomb structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/12—Silica and alumina
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/7007—Zeolite Beta
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/19—Catalysts containing parts with different compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0081—Uses not provided for elsewhere in C04B2111/00 as catalysts or catalyst carriers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149—Honeycomb-like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Catalysts (AREA)
  • Filtering Materials (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP2010539615A 2007-12-18 2008-12-08 触媒すすフィルタのための不動態化しない被覆法 Pending JP2011506094A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/959,048 US20090155525A1 (en) 2007-12-18 2007-12-18 Passivation-Free Coating Process For A CSF
PCT/US2008/085821 WO2009079250A1 (en) 2007-12-18 2008-12-08 Passivation-free coating process for catalytic soot filters

Publications (2)

Publication Number Publication Date
JP2011506094A true JP2011506094A (ja) 2011-03-03
JP2011506094A5 JP2011506094A5 (enExample) 2013-09-05

Family

ID=40364249

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010539615A Pending JP2011506094A (ja) 2007-12-18 2008-12-08 触媒すすフィルタのための不動態化しない被覆法

Country Status (8)

Country Link
US (2) US20090155525A1 (enExample)
EP (1) EP2231312A1 (enExample)
JP (1) JP2011506094A (enExample)
KR (1) KR20100106496A (enExample)
CN (1) CN101918113A (enExample)
AR (1) AR069779A1 (enExample)
BR (1) BRPI0821582A2 (enExample)
WO (1) WO2009079250A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019118856A (ja) * 2017-12-28 2019-07-22 本田技研工業株式会社 排気浄化フィルタ

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8114354B2 (en) * 2007-12-18 2012-02-14 Basf Corporation Catalyzed soot filter manufacture and systems
US8038954B2 (en) * 2008-02-14 2011-10-18 Basf Corporation CSF with low platinum/palladium ratios
EP2358460A4 (en) * 2008-10-31 2013-10-02 Emerachem Llc METHOD AND SYSTEMS FOR PARTICLE REDUCTION IN A GASSTROM
GB0903262D0 (en) 2009-02-26 2009-04-08 Johnson Matthey Plc Filter
US8512657B2 (en) 2009-02-26 2013-08-20 Johnson Matthey Public Limited Company Method and system using a filter for treating exhaust gas having particulate matter
EP2483218B1 (en) 2009-09-28 2016-03-16 Corning Inc. Method of making membrane filter
FR2954184B1 (fr) * 2009-12-22 2014-05-16 Peugeot Citroen Automobiles Sa Monolithe de post-traitement des gaz d'echappement d'un moteur a combustion pour la filtration des particules et la reduction des oxydes d'azotes
FR2964413B1 (fr) * 2010-09-02 2016-07-01 Peugeot Citroen Automobiles Sa Filtre a particules a trois revetements catalytiques
US20120258032A1 (en) * 2011-11-02 2012-10-11 Johnson Matthey Public Limited Company Catalyzed filter for treating exhaust gas
KR102088152B1 (ko) * 2012-11-12 2020-03-12 우미코레 아게 운트 코 카게 ＮＯｘ- 및 입자-함유 디젤 배기 가스의 처리를 위한 촉매 시스템
CN104837557B (zh) 2012-12-12 2018-06-01 巴斯夫公司 使用大颗粒分子筛的催化剂组合物、催化制品、系统和方法
US8980209B2 (en) 2012-12-12 2015-03-17 Basf Corporation Catalyst compositions, catalytic articles, systems and processes using protected molecular sieves
KR20160013217A (ko) * 2013-05-31 2016-02-03 존슨 맛쎄이 퍼블릭 리미티드 컴파니 배기 가스를 처리하기 위한 촉매화된 필터
BR112015029656A2 (pt) * 2013-05-31 2017-07-25 Johnson Matthey Plc filtro de particulado de diesel, sistema para tratamento de um gás de escape de queima pobre, e, método para reduzir fuligem em um gás de escape de queima pobre
CN107456855A (zh) * 2017-09-18 2017-12-12 常州市金坛区土壤肥料技术指导站 有机肥发酵车间臭气快速净化方法及系统
CN112166213A (zh) 2018-04-04 2021-01-01 尤尼弗瑞克斯 I 有限责任公司 活化的多孔纤维和包括该纤维的产品
FR3156832A1 (fr) * 2023-12-18 2025-06-20 Stellantis Auto Sas Procede d’evaluation sur un banc d’essai d’une solution d’impregnation d’un filtre a particules destine a un vehicule automobile a moteur thermique

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002520149A (ja) * 1998-07-15 2002-07-09 レデム テクノロジーズ， インコーポレイテット ディーゼルエンジン排気ガスを処理するための自己再生酸化触媒
JP2004105792A (ja) * 2002-09-13 2004-04-08 Toyota Motor Corp 排ガス浄化フィルタ触媒及びその製造方法
JP2007098274A (ja) * 2005-10-04 2007-04-19 Ibiden Co Ltd 多孔質ハニカム構造体及びそれを利用した排ガス浄化装置
WO2008097702A1 (en) * 2007-02-02 2008-08-14 Basf Catalysts Llc Multilayered three-way conversion catalyst compositions

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532228A (en) * 1984-01-19 1985-07-30 Corning Glass Works Treatment of monolithic catalyst supports
CA1260909A (en) * 1985-07-02 1989-09-26 Koichi Saito Exhaust gas cleaning catalyst and process for production thereof
US4727052A (en) * 1986-06-27 1988-02-23 Engelhard Corporation Catalyst compositions and methods of making the same
US4849399A (en) * 1987-04-16 1989-07-18 Allied-Signal Inc. Catalyst for the reduction of the ignition temperature of diesel soot
US6200483B1 (en) * 1998-10-07 2001-03-13 Corning Incorporated Structured materials for purification of liquid streams and method of making and using same
GB9919013D0 (en) * 1999-08-13 1999-10-13 Johnson Matthey Plc Reactor
US6903051B2 (en) * 2002-04-12 2005-06-07 Corning Incorporated In situ theta alumina coated monolithic catalyst supports
US6946013B2 (en) * 2002-10-28 2005-09-20 Geo2 Technologies, Inc. Ceramic exhaust filter
US7574796B2 (en) * 2002-10-28 2009-08-18 Geo2 Technologies, Inc. Nonwoven composites and related products and methods
US7229597B2 (en) * 2003-08-05 2007-06-12 Basfd Catalysts Llc Catalyzed SCR filter and emission treatment system
US7132150B2 (en) * 2003-08-14 2006-11-07 Corning Incorporated Porous ceramic filters with catalyst coatings
US7316806B2 (en) * 2003-10-29 2008-01-08 Nippon Shokubai Co., Ltd. Modifying catalyst for partial oxidation and method for modification
US7235507B2 (en) * 2004-08-14 2007-06-26 Sud-Chemie Inc. Catalyst for purifying diesel engine exhaust emissions
US7722829B2 (en) * 2004-09-14 2010-05-25 Basf Catalysts Llc Pressure-balanced, catalyzed soot filter
US7601671B2 (en) * 2004-10-28 2009-10-13 Umicore Ag & Co. Kg Drying method for exhaust gas catalyst
US7166555B2 (en) * 2005-02-14 2007-01-23 Corning Incorporated Coated ceramic catalyst supports and method
JP2009525161A (ja) * 2005-08-05 2009-07-09 ビーエーエスエフ、カタリスツ、エルエルシー ディーゼル排気装置及びそのための触媒組成物
US8119075B2 (en) * 2005-11-10 2012-02-21 Basf Corporation Diesel particulate filters having ultra-thin catalyzed oxidation coatings
US7576031B2 (en) * 2006-06-09 2009-08-18 Basf Catalysts Llc Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function
US20080044330A1 (en) * 2006-08-21 2008-02-21 Shau-Lin Franklin Chen Layered catalyst composite
US8800268B2 (en) * 2006-12-01 2014-08-12 Basf Corporation Zone coated filter, emission treatment systems and methods
US20080127638A1 (en) * 2006-12-01 2008-06-05 Marius Vaarkamp Emission Treatment Systems and Methods
JP2008188542A (ja) * 2007-02-06 2008-08-21 Mitsubishi Heavy Ind Ltd 排ガス処理用触媒、その製造方法および排ガス処理方法
PL2117707T5 (pl) * 2007-02-27 2019-01-31 Basf Corporation Katalizatory zeolit cha -miedź
US8007750B2 (en) * 2007-07-19 2011-08-30 Basf Corporation Multilayered catalyst compositions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002520149A (ja) * 1998-07-15 2002-07-09 レデム テクノロジーズ， インコーポレイテット ディーゼルエンジン排気ガスを処理するための自己再生酸化触媒
JP2004105792A (ja) * 2002-09-13 2004-04-08 Toyota Motor Corp 排ガス浄化フィルタ触媒及びその製造方法
JP2007098274A (ja) * 2005-10-04 2007-04-19 Ibiden Co Ltd 多孔質ハニカム構造体及びそれを利用した排ガス浄化装置
WO2008097702A1 (en) * 2007-02-02 2008-08-14 Basf Catalysts Llc Multilayered three-way conversion catalyst compositions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019118856A (ja) * 2017-12-28 2019-07-22 本田技研工業株式会社 排気浄化フィルタ

Also Published As

Publication number Publication date
BRPI0821582A2 (pt) 2015-06-23
CN101918113A (zh) 2010-12-15
US20090155525A1 (en) 2009-06-18
AR069779A1 (es) 2010-02-17
EP2231312A1 (en) 2010-09-29
US20110243801A1 (en) 2011-10-06
KR20100106496A (ko) 2010-10-01
WO2009079250A1 (en) 2009-06-25

Similar Documents

Publication Publication Date Title
JP5775309B2 (ja) 低い白金／パラジウム比を有するｃｓｆ
JP2011506094A (ja) 触媒すすフィルタのための不動態化しない被覆法
JP6379166B2 (ja) 触媒すすフィルタの製造およびシステム
KR101830995B1 (ko) 개량된 촉매화 매연 필터
CN100540122C (zh) 催化剂涂布的微粒过滤器、其制备方法及其用途
EP2501464B1 (en) Zoned catalyzed soot filter
JP5730282B2 (ja) 排気ガス処理システム及び改良型燃焼ディーゼル排気ガス流を処理するための方法
US8449852B1 (en) Diesel oxidation catalysts, systems and methods of treatment
JP6910353B2 (ja) 白金族金属と卑金属酸化物とを組み合わせたディーゼル酸化触媒
KR20150131029A (ko) 디젤 적용을 위한 구역화된 촉매
US20190186314A1 (en) Oxidation catalyst comprising sulfur compound
GB2562873A (en) NOx adsorber catalyst
KR20240064639A (ko) 부분적으로 코팅된 촉매층을 갖는 미립자 필터

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20111201

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130319

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20130610

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20130618

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20130716

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20131112