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MX9300780A - Dispersion para el recubrimiento de catalizadores para gases. - Google Patents

Dispersion para el recubrimiento de catalizadores para gases.

Info

Publication number
MX9300780A
MX9300780A MX9300780A MX9300780A MX9300780A MX 9300780 A MX9300780 A MX 9300780A MX 9300780 A MX9300780 A MX 9300780A MX 9300780 A MX9300780 A MX 9300780A MX 9300780 A MX9300780 A MX 9300780A
Authority
MX
Mexico
Prior art keywords
dispersion
coating
gases
catalyzers
favor
Prior art date
Application number
MX9300780A
Other languages
English (en)
Inventor
Rainer Domesle
Bernd Engler
Edgar Koberstein
Egbert Lox
Klaus Ostgathe
Original Assignee
Degussa
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
Priority claimed from DE4204421A external-priority patent/DE4204421C2/de
Application filed by Degussa filed Critical Degussa
Publication of MX9300780A publication Critical patent/MX9300780A/es

Links

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
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • B01J37/0215—Coating
    • 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
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/038—Precipitation; Co-precipitation to form slurries or suspensions, e.g. a washcoat
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/633—Pore volume less than 0.5 ml/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/635—0.5-1.0 ml/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/638—Pore volume more than 1.0 ml/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/647—2-50 nm
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/651—50-500 nm
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

El invento se refiere a una dispersión de recubrimiento para la elaboración de revestimientos que favorecen la catálisis sobre un cuerpo inerte de estructura reforzada. Las sustancias sólidas de la dispersión se encuentran en distintas fracciones de granos y llevan a una superficie de recubrimiento mas áspera con un intercambio mejorado entre los gases de escape y la superficie del catalizador y un comportamiento de calentamiento mejorado resultante por ello.
MX9300780A 1992-02-14 1993-02-12 Dispersion para el recubrimiento de catalizadores para gases. MX9300780A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4204421A DE4204421C2 (de) 1992-02-14 1992-02-14 Katalysator für die Reinigung der Abgase von Brennkraftmaschinen

Publications (1)

Publication Number Publication Date
MX9300780A true MX9300780A (es) 1993-12-01

Family

ID=6451709

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9300780A MX9300780A (es) 1992-02-14 1993-02-12 Dispersion para el recubrimiento de catalizadores para gases.

Country Status (19)

Country Link
US (1) US5496788A (es)
EP (1) EP0556554B1 (es)
JP (1) JP3238511B2 (es)
KR (1) KR100255093B1 (es)
CN (1) CN1041805C (es)
AU (1) AU653095B2 (es)
BR (1) BR9300548A (es)
CA (1) CA2089397C (es)
CZ (1) CZ380092A3 (es)
DE (2) DE4244712C2 (es)
ES (1) ES2108769T3 (es)
HU (1) HU215707B (es)
MX (1) MX9300780A (es)
PL (1) PL178211B1 (es)
SK (1) SK380092A3 (es)
TR (1) TR27626A (es)
TW (1) TW296350B (es)
UA (1) UA34421C2 (es)
ZA (1) ZA931006B (es)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5958829A (en) * 1992-02-14 1999-09-28 Degussa-Huls Aktiengesellschaft Coating dispersion for exhaust gas catalysts
DE69427602T2 (de) * 1993-01-11 2001-11-22 Cataler Industrial Co., Ltd. Verfahren zur Reinigung von Abgasen
JP3498357B2 (ja) * 1993-05-28 2004-02-16 マツダ株式会社 排気ガス浄化用触媒の製造方法
JP3409894B2 (ja) * 1993-11-17 2003-05-26 トヨタ自動車株式会社 排ガス浄化用触媒及び排ガス浄化方法
JP3511314B2 (ja) * 1994-07-12 2004-03-29 株式会社キャタラー 排気ガス浄化用触媒および排気ガス浄化方法
US6063633A (en) * 1996-02-28 2000-05-16 The University Of Houston Catalyst testing process and apparatus
JPH1076159A (ja) * 1996-09-03 1998-03-24 Hino Motors Ltd 排気ガス浄化触媒及びその製造方法
US5948723A (en) * 1996-09-04 1999-09-07 Engelhard Corporation Layered catalyst composite
US5981427A (en) * 1996-09-04 1999-11-09 Engelhard Corporation Catalyst composition
US5948377A (en) * 1996-09-04 1999-09-07 Engelhard Corporation Catalyst composition
JPH10156181A (ja) * 1996-10-02 1998-06-16 Hino Motors Ltd 排気ガス浄化触媒
US6193832B1 (en) * 1997-07-25 2001-02-27 International Business Machines Corporation Method of making dielectric catalyst structures
US6197267B1 (en) 1997-07-25 2001-03-06 International Business Machines Corporation Catalytic reactor
US6130182A (en) * 1997-07-25 2000-10-10 International Business Machines Corporation Dielectric catalyst structures
DE19753738A1 (de) * 1997-12-04 1999-06-10 Degussa Verfahren zur Herstellung eines Katalysators
US6110862A (en) * 1998-05-07 2000-08-29 Engelhard Corporation Catalytic material having improved conversion performance
US6350421B1 (en) 1998-08-24 2002-02-26 Dmc2 Degussa Metals Catalysts Cerdec Ag Nitrogen oxide storage material and nitrogen oxide storing catalyst prepared therefrom
DE19838282A1 (de) * 1998-08-24 2000-03-02 Degussa Stickoxid-Speichermaterial und daraus hergestellter Stickoxid-Speicherkatalysator
US6511642B1 (en) 1999-01-12 2003-01-28 Kabushiki Kaisha Toyota Chuo Kenkyusho Porous material, catalyst, method of producing the porous material and method for purifying exhaust gas
DE19908394A1 (de) * 1999-02-26 2000-08-31 Degussa Katalysatormaterial und Verfahren zu seiner Herstellung
DE19914814C1 (de) * 1999-03-31 2000-12-14 Siemens Ag Rekombinationseinrichtung und Verfahren zur katalytischen Rekombination von Wasserstoff und/oder Kohlenmonoxid mit Sauerstoff in einem Gasgemisch
EP1046423B8 (en) * 1999-04-23 2007-11-21 Umicore AG & Co. KG Layered noble metal-containing exhaust gas catalyst and its preparation
FR2792851B1 (fr) * 1999-04-29 2002-04-05 Inst Francais Du Petrole Catalyseur a base de metal noble faiblement disperse et son utilisation pour la conversion de charges hydrocarbonees
JP4443685B2 (ja) * 1999-09-10 2010-03-31 三井金属鉱業株式会社 排気ガス浄化用助触媒の製造方法
US20020082164A1 (en) * 2000-01-14 2002-06-27 Danan Dou Methods to reduce alkali material migration from NOx adsorber washcoat to cordierite
JP3858625B2 (ja) * 2000-07-27 2006-12-20 株式会社豊田中央研究所 複合酸化物とその製造方法及び排ガス浄化用触媒とその製造方法
US6521566B1 (en) * 2000-10-04 2003-02-18 Catalytica Energy Systems, Inc. Mixed oxide solid solutions
US6680279B2 (en) * 2002-01-24 2004-01-20 General Motors Corporation Nanostructured catalyst particle/catalyst carrier particle system
JP4019357B2 (ja) * 2002-05-02 2007-12-12 日産自動車株式会社 排気ガス浄化用触媒粉末の製造方法及び排気ガス浄化触媒の製造方法
ATE363590T1 (de) * 2002-07-31 2007-06-15 Volkswagen Ag Verfahren zur erstellung von kennlinien oder kennlinienfeldern zur steuerung von verbrennungskraftmaschinen
WO2004013474A1 (de) * 2002-07-31 2004-02-12 Volkswagen Aktiengesellschaft Verfahren zur applikativen anpassung einer motorsteuerung und nach dem verfahren erhaltene motorsteuerung
US7056856B2 (en) * 2002-09-09 2006-06-06 Airflow Catalyst Systems, Inc. Tin oxide exhaust catalyst supports and catalysts stable at high temperatures
DE10305387A1 (de) * 2003-02-11 2004-08-26 Interkat Katalysatoren Gmbh Verfahren zur Beschichtung von Bauteilen für Katalysatoren
DE102004043421A1 (de) * 2004-09-06 2006-03-23 W.C. Heraeus Gmbh Katalysator für 2-Takt-Motoren oder Kleinmotoren
DE102004051376A1 (de) * 2004-09-13 2006-03-30 Matthias Mangold Herstellungsverfahren für ein Abgasreinigungsmittel und Abgasreinigungsmittel
US7332454B2 (en) * 2005-03-16 2008-02-19 Sud-Chemie Inc. Oxidation catalyst on a substrate utilized for the purification of exhaust gases
JP2006346656A (ja) * 2005-06-20 2006-12-28 Toyota Motor Corp 排ガス浄化用触媒とその製造方法
US7507618B2 (en) * 2005-06-27 2009-03-24 3M Innovative Properties Company Method for making electronic devices using metal oxide nanoparticles
JP4907108B2 (ja) * 2005-06-28 2012-03-28 株式会社キャタラー スラリーの粘度の調整方法および排ガス浄化触媒用コーティングスラリー
DE102005032723A1 (de) * 2005-07-13 2007-01-18 Süd-Chemie AG Mehrschichtkatalysator auf Niobbasis zur katalytischen Umsetzung von Kohlenwasserstoffen
JP2008023501A (ja) * 2006-07-25 2008-02-07 Toyota Motor Corp 排ガス浄化用触媒
US8173087B2 (en) 2008-02-05 2012-05-08 Basf Corporation Gasoline engine emissions treatment systems having particulate traps
US8575063B2 (en) * 2008-10-27 2013-11-05 Hongying He Nickel-based reforming catalysts
EP2415362B1 (en) * 2009-04-03 2016-09-14 Japan Tobacco, Inc. Cigarette and method for treating cigarette material
US8475755B2 (en) * 2009-08-21 2013-07-02 Sub-Chemie Inc. Oxidation catalyst and method for destruction of CO, VOC and halogenated VOC
US8815189B2 (en) 2010-04-19 2014-08-26 Basf Corporation Gasoline engine emissions treatment systems having particulate filters
US9242211B2 (en) 2011-05-30 2016-01-26 The Babcock & Wilcox Company Catalysts possessing an improved resistance to poisoning
GB201303396D0 (en) * 2013-02-26 2013-04-10 Johnson Matthey Plc Oxidation catalyst for a combustion engine
US9381510B2 (en) * 2013-09-11 2016-07-05 Mitsui Mining & Smelting Co., Ltd. Exhaust gas purifying catalyst comprising a catalyst layer comprising at least two inorganic porous particles
EP2905074B1 (de) 2014-02-06 2019-04-24 Heraeus Deutschland GmbH & Co. KG Katalytisch wirksame Zusammensetzung für einen Mehrschichtkatalysator zur Abgasnachbehandlung von Verbrennungsabgasen
EP2905077B1 (de) 2014-02-06 2018-08-22 Heraeus Deutschland GmbH & Co. KG Katalytisch wirksame Zusammensetzung mit großer CO-Oberfläche
JP2018503511A (ja) 2015-01-16 2018-02-08 ビーエーエスエフ コーポレーション ナノサイズの機能性結合剤
CN104801313B (zh) * 2015-04-15 2017-08-29 永康市奥鑫科技有限公司 一种用于挥发性有机废气净化的催化剂及其制备方法
US10201807B2 (en) * 2015-06-18 2019-02-12 Johnson Matthey Public Limited Company Ammonia slip catalyst designed to be first in an SCR system
CN109476493B (zh) * 2016-07-29 2021-06-11 住友化学株式会社 氧化铝和使用其的汽车催化剂的制造方法
BR112019006473A2 (pt) * 2016-10-12 2019-06-25 Basf Corp artigos catalíticos, sistema de tratamento de gases de escape, método para tratar um fluxo de escape de um motor de combustão interna e método de fabricação de um artigo catalítico
US11260370B2 (en) 2018-03-29 2022-03-01 Mitsui Mining & Smelting Co., Ltd. Composition for exhaust gas purification, exhaust gas purifying catalyst containing same, and exhaust gas purifying catalyst structure
JP6740506B1 (ja) * 2018-12-27 2020-08-12 ユミコア日本触媒株式会社 排気ガス浄化用触媒及び排気ガス浄化方法
JP7631229B2 (ja) * 2019-05-06 2025-02-18 ビーエーエスエフ モバイル エミッションズ カタリスツ エルエルシー 選択的触媒還元の懸濁液
RU2703560C1 (ru) * 2019-05-30 2019-10-21 Акционерное общество "Екатеринбургский завод по обработке цветных металлов" Способ приготовления катализатора
KR20230004477A (ko) * 2020-04-15 2023-01-06 바스프 코포레이션 Pgm-구배 구조를 가진 배출 제어 촉매 물품
DE112021002332T5 (de) * 2020-06-09 2023-01-26 Mitsui Mining & Smelting Co., Ltd. Zusammensetzung zur bildung einer grundierungsschicht, eine grundierungsschicht sowie ein abgasreinigungskatalysator und eine abgasreinigungsvorrichtung einschliesslich grundierungsschicht
CN114644845B (zh) * 2022-04-08 2023-05-05 中国科学院过程工程研究所 一种导热催化剂涂料及其制备方法与应用
WO2025163277A1 (en) 2024-01-30 2025-08-07 Johnson Matthey Public Limited Company Method of making ceramic wall-flow filter substrate supporting porous on-wall coating

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5167276A (es) * 1974-12-09 1976-06-10 Kobe Steel Ltd
DE2538706C2 (de) * 1975-08-30 1984-01-19 Kali-Chemie Ag, 3000 Hannover Verfahren zur Reinigung von Autoabgasen
DE2942728A1 (de) * 1979-10-23 1981-05-07 Bremshey Ag, 5650 Solingen Doppelwandige auspuffrohrleitung
FR2512004A1 (fr) * 1981-08-27 1983-03-04 Rhone Poulenc Spec Chim Composition d'alumine pour le revetement d'un support de catalyseur, son procede de fabrication et le support de catalyseur obtenu
DE3146004A1 (de) * 1981-11-20 1983-05-26 Degussa Ag, 6000 Frankfurt Verfahren zum schutz von katalysatoren fuer die reinigung der abgase von mit verbleiten kraftstoffen betriebenen verbrennungskraftmaschinen
AU2362084A (en) * 1983-02-14 1984-08-23 Engelhard Corporation Catalysts with support coatings
JPS60168537A (ja) * 1984-02-10 1985-09-02 Nippon Shokubai Kagaku Kogyo Co Ltd 一体構造型排ガス浄化用触媒の製造方法
EP0179578B1 (en) * 1984-10-22 1990-07-04 Ford Motor Company Limited Method of increasing the operational life of a catalyst
CA1260909A (en) * 1985-07-02 1989-09-26 Koichi Saito Exhaust gas cleaning catalyst and process for production thereof
US5166118A (en) * 1986-10-08 1992-11-24 Veba Oel Technologie Gmbh Catalyst for the hydrogenation of hydrocarbon material
DE3835184A1 (de) * 1987-10-30 1989-05-11 Degussa Platin-freier dreiwegkatalysator
JP2680597B2 (ja) * 1988-03-14 1997-11-19 マツダ株式会社 排気ガス浄化用触媒
US4868149A (en) * 1988-05-23 1989-09-19 Allied-Signal Inc. Palladium-containing catalyst for treatment of automotive exhaust and method of manufacturing the catalyst
DE3830318A1 (de) * 1988-09-07 1990-03-15 Degussa Abgaskatalysator mit verminderter neigung zu speicherung von schwefeloxiden und schwefelwasserstoffemission
FR2649400B1 (fr) * 1989-07-10 1993-01-08 Norsolor Sa Copolymeres en etoile et leur procede de fabrication
DE3939921A1 (de) * 1989-12-02 1991-06-06 Degussa Anordnung zur katalytischen reinigung der auspuffgase von verbrennungsmotoren, insbesondere nach dem zweitaktprinzip
US5041407A (en) * 1989-12-14 1991-08-20 Allied-Signal Inc. High-temperature three-way catalyst for treating automotive exhaust gases
FI896294A7 (fi) * 1989-12-28 1991-06-29 Kemira Oy Foerfarande foer framstaellning av katalytcellsystem anvaendbart vid rening av avgaser.
US5179060A (en) * 1990-11-28 1993-01-12 Ford Motor Company Dispersion enhanced pt group metal catalysts and method of making the catalysts
US5114901A (en) * 1991-02-19 1992-05-19 General Motors Corporation Ceramic coating for a catalyst support

Also Published As

Publication number Publication date
CA2089397C (en) 1999-12-28
CN1075271A (zh) 1993-08-18
DE59307358D1 (de) 1997-10-23
CA2089397A1 (en) 1993-08-15
PL297715A1 (en) 1993-11-15
SK380092A3 (en) 1994-08-10
DE4244712C2 (de) 1996-09-05
DE4244712A1 (de) 1994-04-14
PL178211B1 (pl) 2000-03-31
ES2108769T3 (es) 1998-01-01
KR100255093B1 (ko) 2000-05-01
TW296350B (es) 1997-01-21
AU653095B2 (en) 1994-09-15
JPH067683A (ja) 1994-01-18
EP0556554A3 (en) 1993-10-20
EP0556554B1 (de) 1997-09-17
ZA931006B (en) 1993-09-13
CN1041805C (zh) 1999-01-27
JP3238511B2 (ja) 2001-12-17
HUT63348A (en) 1993-08-30
HU215707B (hu) 1999-02-01
HU9300382D0 (en) 1993-05-28
KR930017616A (ko) 1993-09-20
US5496788A (en) 1996-03-05
TR27626A (tr) 1995-06-14
AU3302593A (en) 1993-08-19
EP0556554A2 (de) 1993-08-25
CZ380092A3 (en) 1993-12-15
BR9300548A (pt) 1993-08-17
UA34421C2 (uk) 2001-03-15

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