DD293741A5 - Monolith- bzw. wabenfoermiger katalysator - Google Patents

Monolith- bzw. wabenfoermiger katalysator Download PDF

Info

Publication number: DD293741A5
Authority: DD; German Democratic Republic
Prior art keywords: metal oxide; catalyst; honeycomb; concentration; active component
Prior art date: 1989-04-20

Application number

DD90339853A

Other languages

German (de)

English (en)

Inventor

Bernd Engler

Edgar Koberstein

Egbert Lox

Herbert Voelker

Original Assignee

��@��k��

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.)

1989-04-20

Filing date

1990-04-18

Publication date

1991-09-12

1990-04-18 Application filed by ��@��k�� filed Critical ��@��k��

1991-09-12 Publication of DD293741A5 publication Critical patent/DD293741A5/de

Links

239000003054 catalyst Substances 0.000 title claims abstract description 63
229910044991 metal oxide Inorganic materials 0.000 claims abstract description 22
150000004706 metal oxides Chemical class 0.000 claims abstract description 22
239000007789 gas Substances 0.000 claims abstract description 18
238000002485 combustion reaction Methods 0.000 claims abstract description 7
230000003197 catalytic effect Effects 0.000 claims description 4
239000000919 ceramic Substances 0.000 claims description 4
238000004140 cleaning Methods 0.000 claims description 4
238000000746 purification Methods 0.000 abstract description 2
238000009827 uniform distribution Methods 0.000 abstract description 2
239000002184 metal Substances 0.000 abstract 1
238000000576 coating method Methods 0.000 description 17
239000011248 coating agent Substances 0.000 description 16
MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
239000010970 precious metal Substances 0.000 description 12
238000006243 chemical reaction Methods 0.000 description 6
238000001035 drying Methods 0.000 description 6
238000011068 loading method Methods 0.000 description 6
229910000510 noble metal Inorganic materials 0.000 description 6
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
229910002091 carbon monoxide Inorganic materials 0.000 description 5
238000009826 distribution Methods 0.000 description 5
229930195733 hydrocarbon Natural products 0.000 description 5
150000002430 hydrocarbons Chemical class 0.000 description 5
238000007664 blowing Methods 0.000 description 4
239000006185 dispersion Substances 0.000 description 4
230000032683 aging Effects 0.000 description 3
238000001354 calcination Methods 0.000 description 3
230000000052 comparative effect Effects 0.000 description 3
XJUNLJFOHNHSAR-UHFFFAOYSA-J zirconium(4+);dicarbonate Chemical compound [Zr+4].[O-]C([O-])=O.[O-]C([O-])=O XJUNLJFOHNHSAR-UHFFFAOYSA-J 0.000 description 3
229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
229910052684 Cerium Inorganic materials 0.000 description 2
239000002390 adhesive tape Substances 0.000 description 2
239000007864 aqueous solution Substances 0.000 description 2
GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
238000007598 dipping method Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
239000000126 substance Substances 0.000 description 2
239000000725 suspension Substances 0.000 description 2
239000004215 Carbon black (E152) Substances 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
229910004298 SiO 2 Inorganic materials 0.000 description 1
229910010413 TiO 2 Inorganic materials 0.000 description 1
239000011149 active material Substances 0.000 description 1
238000005422 blasting Methods 0.000 description 1
238000006555 catalytic reaction Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
229910052878 cordierite Inorganic materials 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000003344 environmental pollutant Substances 0.000 description 1
238000000605 extraction Methods 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
238000007654 immersion Methods 0.000 description 1
238000005470 impregnation Methods 0.000 description 1
238000009413 insulation Methods 0.000 description 1
238000003475 lamination Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000000034 method Methods 0.000 description 1
231100000719 pollutant Toxicity 0.000 description 1
239000000843 powder Substances 0.000 description 1
230000001737 promoting effect Effects 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000000243 solution Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Classifications

- 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
- 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
- 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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/396—Distribution of the active metal ingredient
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
- B01J35/57—Honeycombs
- 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
- B01J37/0242—Coating followed by impregnation
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
- F01N2330/04—Methods of manufacturing
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/08—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a pressure sensor
- 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)
Combustion & Propulsion (AREA)
Health & Medical Sciences (AREA)
Analytical Chemistry (AREA)
Biomedical Technology (AREA)
Environmental & Geological Engineering (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Toxicology (AREA)
Catalysts (AREA)
Exhaust Gas Treatment By Means Of Catalyst (AREA)
Exhaust Gas After Treatment (AREA)

DD90339853A 1989-04-20 1990-04-18 Monolith- bzw. wabenfoermiger katalysator DD293741A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3912915A DE3912915C1 (fr)	1989-04-20	1989-04-20

Publications (1)

Publication Number	Publication Date
DD293741A5 true DD293741A5 (de)	1991-09-12

Family

ID=6379016

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD90339853A DD293741A5 (de)	1989-04-20	1990-04-18	Monolith- bzw. wabenfoermiger katalysator

Country Status (10)

Country	Link
US (1)	US5043311A (fr)
EP (2)	EP0399203B1 (fr)
JP (1)	JP2962768B2 (fr)
KR (1)	KR910018081A (fr)
BR (1)	BR9001710A (fr)
DD (1)	DD293741A5 (fr)
DE (3)	DE3912915C1 (fr)
ES (2)	ES2020157T3 (fr)
MX (1)	MX173865B (fr)
ZA (1)	ZA902062B (fr)

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FI94455C (fi) *	1992-08-28	1995-09-11	Kemira Oy	Katalysaattori ja sen valmistusmenetelmä
GB2275624A (en) *	1993-03-05	1994-09-07	Jaguar Cars	Exhaust converter structure
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
FR2720296B1 (fr) *	1994-05-27	1996-07-12	Rhone Poulenc Chimie	Composés à base d'alumine, d'oxyde de cérium et d'oxyde de zirconium à réductibilité élevée, leur procédé de préparation et leur utilisation dans la préparation de catalyseurs.
JP4201356B2 (ja) *	1996-06-20	2008-12-24	本田技研工業株式会社	内燃機関用排ガス浄化装置
US6596243B1 (en)	1996-06-20	2003-07-22	Honda Giken Kogyo Kabushiki Kaisha	Catalyst element for purifying exhaust gases from internal combustion engine
DE19709102A1 (de)	1997-03-06	1998-10-08	Degussa	Katalysatorsystem zur Abgasreinigung von Dieselmotoren
DE19714732A1 (de) *	1997-04-09	1998-10-15	Degussa	Verfahren zum Abscheiden von katalytisch aktiven Komponenten auf hochoberflächigen Trägermaterialien
DE19819372C2 (de) *	1998-04-30	2000-03-02	Degussa	Verfahren zur Verminderung des Stickoxidgehaltes der Abgase eines Verbrennungsmotors
DE19962544A1 (de) *	1999-12-23	2001-07-19	Degussa	Verfahren zum Beschichten eines keramischen Wabenkörpers
JP2002177794A (ja) *	2000-09-29	2002-06-25	Denso Corp	セラミック触媒体およびセラミック担体
US7371352B2 (en) *	2001-09-26	2008-05-13	Siemens Power Generation, Inc.	Catalyst element having a thermal barrier coating as the catalyst substrate
US20030103875A1 (en) *	2001-09-26	2003-06-05	Siemens Westinghouse Power Corporation	Catalyst element having a thermal barrier coating as the catalyst substrate
US7541005B2 (en) *	2001-09-26	2009-06-02	Siemens Energy Inc.	Catalytic thermal barrier coatings
DE10201042A1 (de) *	2002-01-14	2003-08-07	Eberspaecher J Gmbh & Co	Abgasanlage für Verbrennungsmotoren, mit einem katalytischen Abgaskonverter
ATE411095T1 (de) *	2002-03-29	2008-10-15	Ibiden Co Ltd	Keramikfilter und abgasdekontaminierungseinheit
US7651753B2 (en)	2002-07-05	2010-01-26	Emitec Gesellschaft Fuer Emissionstechnologie Mbh	Process and apparatus for spatially inhomogeneously coating a honeycomb body and inhomogeneously coated honeycomb body
DE10230330A1 (de) *	2002-07-05	2004-01-22	Audi Ag	Verfahren und Vorrichtung zum räumlich inhomogenen Beschichten eines Wabenkörpers und inhomogen beschichteter Wabenkörper
EP1598111A1 (fr) *	2004-05-15	2005-11-23	Delphi Technologies, Inc.	Catalyseur à gradient de concentration susceptible d'être utilisé dans les filtres catalytiques
DE102005020963B4 (de) *	2005-05-06	2007-05-24	Audi Ag	Abgaskatalysator für eine Brennkraftmaschine
GB0603942D0 (en)	2006-02-28	2006-04-05	Johnson Matthey Plc	Exhaust system for a spark-ignited internal combustion engine
BRPI0719402A2 (pt) *	2006-12-21	2014-02-11	Dow Global Technologies Inc	' ' filtro de conjunto de alvéolos cerâmicos e método para formar um filtro de conjunto de alvéolos cerâmicos porosos ' '
DE102006061685A1 (de) *	2006-12-28	2008-07-03	Robert Bosch Gmbh	Filterelement und Filter zur Abgasnachbehandlung einer Brennkraftmaschine
FR2912666B1 (fr) *	2007-02-20	2009-05-08	Peugeot Citroen Automobiles Sa	Convertisseur catalytique pour le traitement des gaz d'echappement des moteurs a combustion interne, ligne d'echappement comportant un tel convertisseur et procede de fabrication de ce convertisseur
DE102007029418A1 (de) *	2007-06-26	2009-01-08	Robert Bosch Gmbh	Katalysatorelement, Katalysator zur Abgasnachbehandlung einer Brennkraftmaschine und Verfahren zur Herstellung eines erfindungsgemäßen Katalysatorelements
GB0716833D0 (en) *	2007-08-31	2007-10-10	Nunn Andrew D	On board diagnostic system
DE102007056213A1 (de) *	2007-11-22	2009-05-28	Robert Bosch Gmbh	Verfahren zur Herstellung eines von Abgas durchströmbaren Formkörpers sowie Abgasanlage einer Brennkraftmaschine
JP2009136833A (ja) *	2007-12-10	2009-06-25	Toyota Motor Corp	排気ガス浄化用モノリス触媒の製造方法とモノリス触媒
JP5639343B2 (ja) *	2009-03-31	2014-12-10	日本碍子株式会社	ハニカム触媒体
DE102010053603A1 (de)	2010-11-12	2012-05-16	Bayerische Motoren Werke Aktiengesellschaft	Katalysator
JP5757297B2 (ja) *	2013-01-23	2015-07-29	トヨタ自動車株式会社	触媒コンバーター
GB201303396D0 (en) *	2013-02-26	2013-04-10	Johnson Matthey Plc	Oxidation catalyst for a combustion engine
DE102013204401B4 (de) *	2013-03-13	2016-06-30	Mtu Friedrichshafen Gmbh	System zur Abgasnachbehandlung, Verfahren und Brennkraftmaschine
DE102013204405A1 (de) *	2013-03-13	2014-09-18	Mtu Friedrichshafen Gmbh	System zur Abgasnachbehandlung für eine Brennkraftmaschine, Verfahren zur Beeinflussung einer Abgas-Zusammensetzung und Brennkraftmaschine
JP6539666B2 (ja) *	2014-09-10	2019-07-03	株式会社キャタラー	排ガス浄化用触媒
US9482131B2 (en) *	2015-01-08	2016-11-01	Tenneco Automotive Operating Company Inc.	Exhaust system with zone coated catalyst
US10099212B2 (en) *	2016-03-15	2018-10-16	Cummins Emission Solutions Inc.	Hydrocarbon storage optimization and coking prevention on an oxidation catalyst
GB2557644A (en) *	2016-12-14	2018-06-27	Ford Global Tech Llc	Improvements in or relating to flow optimised washcoating

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US3791143A (en) *	1971-11-10	1974-02-12	Engelhard Min & Chem	Process and apparatus
US3908047A (en) *	1973-12-05	1975-09-23	Gulf Research Development Co	Process for coating an alumina base
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JPS6125644A (ja) *	1984-07-12	1986-02-04	Toyota Motor Corp	排気ガス浄化用モノリス触媒
JPH084749B2 (ja) *	1985-01-21	1996-01-24	日本碍子株式会社	セラミツクハニカム構造体
JPS61274746A (ja) *	1985-05-31	1986-12-04	Nissan Motor Co Ltd	一体型排ガス浄化用触媒
FR2622126B1 (fr) *	1987-10-21	1991-06-14	Procatalyse Ste Fse Produits C	Catalyseur pour le traitement des gaz d'echappement des moteurs a combustion interne et procede de fabrication de ce catalyseur
JPH0441937Y2 (fr) *	1987-12-28	1992-10-02

1989
- 1989-04-20 DE DE3912915A patent/DE3912915C1/de not_active Expired - Lifetime
1990
- 1990-03-16 ZA ZA902062A patent/ZA902062B/xx unknown
- 1990-04-10 BR BR909001710A patent/BR9001710A/pt not_active IP Right Cessation
- 1990-04-14 ES ES199090107181T patent/ES2020157T3/es not_active Expired - Lifetime
- 1990-04-14 DE DE9090107181T patent/DE59000196D1/de not_active Expired - Lifetime
- 1990-04-14 EP EP90107181A patent/EP0399203B1/fr not_active Expired - Lifetime
- 1990-04-14 EP EP91113441A patent/EP0459534B1/fr not_active Expired - Lifetime
- 1990-04-14 DE DE9191113441T patent/DE59000579D1/de not_active Expired - Fee Related
- 1990-04-14 ES ES199091113441T patent/ES2036420T3/es not_active Expired - Lifetime
- 1990-04-18 KR KR1019900005405A patent/KR910018081A/ko not_active Application Discontinuation
- 1990-04-18 DD DD90339853A patent/DD293741A5/de not_active IP Right Cessation
- 1990-04-19 US US07/510,266 patent/US5043311A/en not_active Expired - Lifetime
- 1990-04-19 MX MX020381A patent/MX173865B/es unknown
- 1990-04-20 JP JP2103228A patent/JP2962768B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
BR9001710A (pt)	1991-05-21
ZA902062B (en)	1990-12-28
KR910018081A (ko)	1991-11-30
EP0459534A1 (fr)	1991-12-04
ES2020157A4 (es)	1991-08-01
DE59000196D1 (de)	1992-08-13
ES2020157T3 (es)	1993-03-16
DE3912915C1 (fr)	1990-12-13
ES2036420T3 (es)	1993-05-16
EP0459534B1 (fr)	1992-12-09
EP0399203B1 (fr)	1992-07-08
EP0399203A2 (fr)	1990-11-28
DE59000579D1 (de)	1993-01-21
JP2962768B2 (ja)	1999-10-12
EP0399203A3 (fr)	1991-04-10
JPH03143548A (ja)	1991-06-19
US5043311A (en)	1991-08-27
MX173865B (es)	1994-04-07

Publication	Publication Date	Title
DD293741A5 (de)	1991-09-12	Monolith- bzw. wabenfoermiger katalysator
EP0432534B1 (fr)	1994-03-30	Catalyseur pour purifier les gaz d'échappement de moteurs Diesel
EP1974809B1 (fr)	2010-09-29	Catalyseur trois voies à double couche
DE4213018C1 (de)	1993-12-09	Katalysator zur oxidativen Reinigung der Abgase von Dieselmotoren
DE69012059T2 (de)	1995-03-02	Abgasreinigungskatalysator mit ausgezeichneter thermischer beständigkeit und verfahren zu seiner herstellung.
DE4021570C2 (fr)	1993-07-29
EP0314058B1 (fr)	1992-07-29	Catalyseur trois voies exempt de platine
DE4042079C2 (de)	1994-02-03	Abgasreinigungs-Katalysator zur Verwendung bei Verbrennungsmotoren und Verfahren zu seiner Herstellung
EP0314057B1 (fr)	1992-06-03	Catalyseur trois voies exempt de rhodium
DE102016111147A1 (de)	2016-12-22	Abgassystem ohne einen DOC, das einen als einen DOC wirkenden ASC in einem System mit einem SCR-Katalysator vor dem ASC aufweist
DE102018106415A1 (de)	2018-09-20	Katalytisches wandstromfilter mit einem ammoniak-slip-katalysator
DE102016111148A1 (de)	2016-12-22	Ammoniak-Sperrkatalysator, ausgestaltet um der Erste in einem SCR-System zu sein
DE19742705A1 (de)	1998-04-02	Abgasreinigungskatalysator
DE3735151A1 (de)	1988-04-21	Verfahren zum reinigen von abgasen
DE4003939A1 (de)	1991-08-14	Katalysator fuer die reinigung der abgase von brennkraftmaschinen
DE69008679T2 (de)	1994-08-25	Dreiwegkatalysator zur Kraftwagenemissionskontrolle.
EP0706817A2 (fr)	1996-04-17	Procédé pour la réduction simultanée d'hydrocarbures, d'oxyde de carbone et d'oxides d'azote dans le gaz d'échappement d'un moteur à combustion interne
DE69118825T2 (de)	1996-09-26	Verfahren zur katalytischen Reinigung von Abgasen
DE69422938T2 (de)	2000-07-20	Katalysator zur Reinigung von Abgasen aus Dieselmotoren
DE69908299T2 (de)	2004-04-01	Plasmaunterstützte gasbehandlung
DE102018106329A1 (de)	2018-09-20	SCRF mit rückwärtigem Auf-Wand-Design
DE3826155C2 (fr)	1992-01-02
DE19713103A1 (de)	1997-10-02	Abgasreinigungskatalysator und dessen Herstellungsverfahren
DE19713432A1 (de)	1997-10-02	Material für einen Abgasreinigungskatalysator, ein dieses Material enthaltender Abgasreinigungskatalysator und Verfahren zu deren Herstellung
DE102004040008A1 (de)	2005-07-21	Silberdotierte Katalysatoren zur Abgasbehandlung

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Date	Code	Title	Description
1995-07-20	ENJ	Ceased due to non-payment of renewal fee
1995-08-03	ENJ	Ceased due to non-payment of renewal fee