DE3751403D1 - Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung. - Google Patents
Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung.Info
- Publication number
- DE3751403D1 DE3751403D1 DE3751403T DE3751403T DE3751403D1 DE 3751403 D1 DE3751403 D1 DE 3751403D1 DE 3751403 T DE3751403 T DE 3751403T DE 3751403 T DE3751403 T DE 3751403T DE 3751403 D1 DE3751403 D1 DE 3751403D1
- Authority
- DE
- Germany
- Prior art keywords
- manufacture
- exhaust gas
- gas purification
- purification catalyst
- catalyst
- 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.)
- Expired - Fee Related
Links
- 239000003054 catalyst Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
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
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- 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
- 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
-
- 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)
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61299948A JPS63156545A (ja) | 1986-12-18 | 1986-12-18 | 排気ガス浄化用触媒 |
JP62009110A JPS63178848A (ja) | 1987-01-20 | 1987-01-20 | 排気ガス浄化用触媒 |
JP62009109A JPS63178847A (ja) | 1987-01-20 | 1987-01-20 | 排気ガス浄化用触媒 |
JP62010010A JPS63229145A (ja) | 1986-09-09 | 1987-01-21 | 排気ガス浄化用触媒 |
JP62010009A JPS6427643A (en) | 1986-08-29 | 1987-01-21 | Catalyst for exhaust gas purification |
JP62012289A JPS63185451A (ja) | 1986-09-05 | 1987-01-23 | 排気ガス浄化用触媒 |
JP62012288A JPS63185450A (ja) | 1986-09-05 | 1987-01-23 | 排気ガス浄化用触媒 |
JP62017321A JPS63190642A (ja) | 1987-01-29 | 1987-01-29 | 排気ガス浄化用触媒 |
JP62018219A JPS63190643A (ja) | 1987-01-30 | 1987-01-30 | 排気ガス浄化用触媒 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3751403D1 true DE3751403D1 (de) | 1995-08-17 |
DE3751403T2 DE3751403T2 (de) | 1995-12-21 |
Family
ID=27576587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3751403T Expired - Fee Related DE3751403T2 (de) | 1986-12-18 | 1987-12-18 | Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4904633A (de) |
EP (2) | EP0558159A3 (de) |
DE (1) | DE3751403T2 (de) |
Families Citing this family (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5015617A (en) * | 1988-04-14 | 1991-05-14 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Catalyst for purifying exhaust gas and method for production thereof |
AU617908B2 (en) * | 1988-12-16 | 1991-12-05 | Tosoh Corporation | Method for exhaust gas cleaning |
US5223236A (en) * | 1988-12-16 | 1993-06-29 | Tosoh Corporation | Method for exhaust gas cleaning |
JP2716205B2 (ja) * | 1989-05-08 | 1998-02-18 | 株式会社日本触媒 | 排ガス浄化用触媒 |
US5139992A (en) * | 1989-11-08 | 1992-08-18 | Engelhard Corporation | Three-way conversion catalyst including a ceria-containing zirconia support |
CA2027422A1 (en) * | 1989-11-08 | 1991-05-09 | Samuel J. Tauster | Three way conversion catalyst including a ceria-containing zirconia support |
GB9010709D0 (en) * | 1990-05-12 | 1990-07-04 | Johnson Matthey Plc | Catalytic reduction |
US5175136A (en) * | 1990-05-31 | 1992-12-29 | Monsanto Company | Monolithic catalysts for conversion of sulfur dioxide to sulfur trioxide |
US5264200A (en) * | 1990-05-31 | 1993-11-23 | Monsanto Company | Monolithic catalysts for conversion of sulfur dioxide to sulfur trioxide |
JP2773428B2 (ja) * | 1990-11-28 | 1998-07-09 | トヨタ自動車株式会社 | 排気ガス浄化方法 |
JPH04200637A (ja) * | 1990-11-29 | 1992-07-21 | Nippon Shokubai Co Ltd | ディーゼルエンジン排ガス浄化用触媒 |
JP2848970B2 (ja) * | 1990-12-21 | 1999-01-20 | 日本碍子株式会社 | ハニカムヒーター及び触媒コンバーター |
DE69210127T2 (de) * | 1991-07-25 | 1996-11-14 | Corning Inc | Katalysator mit imprägnierten Poren |
CA2097609C (en) * | 1991-10-03 | 1999-03-16 | Shinichi Takeshima | Device for purifying exhaust of internal combustion engine |
US5212130A (en) * | 1992-03-09 | 1993-05-18 | Corning Incorporated | High surface area washcoated substrate and method for producing same |
DE69427602T2 (de) * | 1993-01-11 | 2001-11-22 | Cataler Industrial Co., Ltd. | Verfahren zur Reinigung von Abgasen |
JP3281087B2 (ja) * | 1993-02-10 | 2002-05-13 | 日本碍子株式会社 | 排ガス浄化用触媒 |
EP0666099B1 (de) * | 1993-04-28 | 2001-07-18 | Nippon Shokubai Co., Ltd. | Methode zur entfernung von in abgas enthaltenen stickstoffoxyden |
JP3291086B2 (ja) * | 1993-09-24 | 2002-06-10 | 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 |
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 |
JP4098835B2 (ja) * | 1993-12-07 | 2008-06-11 | トヨタ自動車株式会社 | 排気ガス浄化用触媒 |
US5422331A (en) * | 1994-02-25 | 1995-06-06 | Engelhard Corporation | Layered catalyst composition |
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 |
JPH0884911A (ja) * | 1994-09-14 | 1996-04-02 | I C T:Kk | 窒素酸化物分解用触媒およびこれを用いたディーゼルエンジン排ガスの浄化方法 |
DE4436890A1 (de) * | 1994-10-15 | 1996-04-18 | Degussa | Verfahren zur gleichzeitigen Verminderung der im Abgas einer Verbrennungskraftmaschine enthaltenen Kohlenwasserstoffe, Kohlenmonoxid und Stickoxide |
US6284210B1 (en) * | 1994-11-15 | 2001-09-04 | Institut Francais Du Petrole | Combustion catalyst and combustion process using such a catalyst |
US5945369A (en) * | 1994-12-09 | 1999-08-31 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Catalyst for purifying exhaust gases and process for producing the same |
JP3358766B2 (ja) * | 1994-12-16 | 2002-12-24 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
US5597772A (en) * | 1995-01-09 | 1997-01-28 | Ford Motor Company | Thermally stable rhodium/alumina catalysts |
FR2730175B1 (fr) * | 1995-02-03 | 1997-04-04 | Inst Francais Du Petrole | Catalyseurs de reduction des oxydes d'azote en azote moleculaire dans un milieu surstoechiometrique en composes oxydants, procede de preparation et utilisations |
US5958827A (en) * | 1995-12-07 | 1999-09-28 | Toyota Jidosha Kabushiki Kaisha | Solid solution particle of oxides, a process for producing the same and a catalyst for purifying exhaust gases |
US5753581A (en) * | 1995-12-18 | 1998-05-19 | General Motor Corporation | Method of associating precious metals with specific oxides in mixed oxide systems for use as catalysts |
DE69730539T2 (de) * | 1996-06-10 | 2005-06-23 | Hitachi, Ltd. | Abgasreinigungsanlage einer Brennkraftmaschine und Katalysator zum Reinigen des Abgases einer Brennkraftmaschine |
JP3965711B2 (ja) | 1996-10-25 | 2007-08-29 | 株式会社日立製作所 | 窒素酸化物の浄化触媒及び浄化方法 |
US5897846A (en) * | 1997-01-27 | 1999-04-27 | Asec Manufacturing | Catalytic converter having a catalyst with noble metal on molecular sieve crystal surface and method of treating diesel engine exhaust gas with same |
DE19714732A1 (de) * | 1997-04-09 | 1998-10-15 | Degussa | Verfahren zum Abscheiden von katalytisch aktiven Komponenten auf hochoberflächigen Trägermaterialien |
JP4164884B2 (ja) * | 1997-08-08 | 2008-10-15 | マツダ株式会社 | 排気ガス浄化用触媒 |
JP4012320B2 (ja) * | 1998-10-15 | 2007-11-21 | 株式会社アイシーティー | 希薄燃焼エンジン用排気ガス浄化用触媒 |
DE60042991D1 (de) * | 1999-07-09 | 2009-11-05 | Nissan Motor | Abgasreinigungskatalysator und Verfahren zu seiner Herstellung |
US6569392B1 (en) * | 2000-02-02 | 2003-05-27 | Ford Global Technologies Llc | Three-way rare earth oxide catalyst |
JP3704279B2 (ja) * | 2000-07-18 | 2005-10-12 | ダイハツ工業株式会社 | 排ガス浄化用触媒 |
ITMI20010478A1 (it) * | 2001-03-08 | 2002-09-08 | Inst Francais Du Petrole | Catalizzatore a base di cobalto e suo utilizzo nel processo di fischer-tropsch |
US6576587B2 (en) * | 2001-03-13 | 2003-06-10 | Delphi Technologies, Inc. | High surface area lean NOx catalyst |
CN1193824C (zh) * | 2001-10-19 | 2005-03-23 | 松下电器产业株式会社 | 纯化催化剂、其制备方法和气体纯化装置 |
US6680279B2 (en) * | 2002-01-24 | 2004-01-20 | General Motors Corporation | Nanostructured catalyst particle/catalyst carrier particle system |
JP4217576B2 (ja) * | 2003-09-30 | 2009-02-04 | 東京濾器株式会社 | 排気ガス浄化用触媒 |
JP5217072B2 (ja) * | 2003-11-14 | 2013-06-19 | トヨタ自動車株式会社 | 排ガス浄化用触媒およびその製法 |
JP3912377B2 (ja) * | 2003-12-25 | 2007-05-09 | 日産自動車株式会社 | 排ガス浄化用触媒粉末の製造方法 |
JP4547930B2 (ja) * | 2004-02-17 | 2010-09-22 | 日産自動車株式会社 | 触媒、触媒の調製方法及び排ガス浄化用触媒 |
JP4547935B2 (ja) * | 2004-02-24 | 2010-09-22 | 日産自動車株式会社 | 排ガス浄化用触媒、排ガス浄化触媒、及び触媒の製造方法 |
US20050202966A1 (en) * | 2004-03-11 | 2005-09-15 | W.C. Heraeus Gmbh | Catalyst for the decomposition of N2O in the Ostwald process |
DE102004024026A1 (de) * | 2004-03-11 | 2005-09-29 | W.C. Heraeus Gmbh | Katalysator zur N2O-Zersetzung beim Ostwaldprozess |
US7807110B2 (en) | 2004-03-12 | 2010-10-05 | Cormetech Inc. | Catalyst systems |
JP4513372B2 (ja) * | 2004-03-23 | 2010-07-28 | 日産自動車株式会社 | 排ガス浄化用触媒及び排ガス浄化触媒 |
JP4513384B2 (ja) * | 2004-03-31 | 2010-07-28 | 日産自動車株式会社 | 高耐熱性排ガス浄化用触媒及びその製造方法 |
JP4185952B2 (ja) * | 2004-04-01 | 2008-11-26 | アイシン精機株式会社 | 一酸化炭素除去触媒及びその製造方法並びに一酸化炭素除去装置 |
US7776786B2 (en) * | 2004-05-04 | 2010-08-17 | Cormetech, Inc. | Catalyst systems advantageous for high particulate matter environments |
EP1786562A2 (de) * | 2004-07-08 | 2007-05-23 | Nissan Motor Co., Ltd. | Katalysator, abgasreinigungskatalysator und herstellungsverfahren dafür |
EP1632288B1 (de) * | 2004-09-03 | 2012-06-20 | Mazda Motor Corporation | Abgasreinigungskatalysator und Sauerstoffspeicherkomponente dafür |
JP5200315B2 (ja) * | 2004-12-22 | 2013-06-05 | 日産自動車株式会社 | 排気ガス浄化触媒、及び排気ガス浄化触媒の製造方法 |
US7943547B2 (en) * | 2005-09-14 | 2011-05-17 | Hamilton Sundstrand Space Systems International, Inc. | Selective catalytic oxidation of ammonia to water and nitrogen |
CA2659740C (en) * | 2006-08-01 | 2016-05-03 | Cormetech, Inc. | Compositions and methods for treating exhaust gases |
WO2008126309A1 (ja) | 2007-03-30 | 2008-10-23 | Ibiden Co., Ltd. | 混合粒子及びハニカム構造体 |
KR101560762B1 (ko) * | 2008-03-19 | 2015-10-15 | 유미코어 니폰 쇼쿠바이 가부시키가이샤 | 내연기관 배기 가스의 정화용 촉매 및 이 촉매를 사용한 배기 가스의 정화 방법 |
GB0903642D0 (en) * | 2009-02-27 | 2009-09-30 | Bae Systems Plc | Electroless metal deposition for micron scale structures |
JP5827477B2 (ja) | 2011-03-10 | 2015-12-02 | 株式会社エフ・シー・シー | 触媒の製造方法 |
WO2014002667A1 (ja) * | 2012-06-28 | 2014-01-03 | エヌ・イーケムキャット株式会社 | 排気ガス浄化用触媒組成物および自動車用排気ガス浄化用触媒 |
KR20170047378A (ko) * | 2014-09-05 | 2017-05-04 | 바스프 코포레이션 | 연소 엔진 배기물 스트림의 처리를 위한 촉매의 백금족 금속 지지체로서의 티타니아-도핑된 지르코니아 |
JP2021531956A (ja) * | 2018-07-27 | 2021-11-25 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company | 改良されたtwc触媒を含有する高ドーパント担体 |
JP6771005B2 (ja) * | 2018-09-12 | 2020-10-21 | イビデン株式会社 | ハニカム構造体の製造方法 |
JP6764451B2 (ja) * | 2018-09-12 | 2020-09-30 | イビデン株式会社 | ハニカム構造体の製造方法 |
US11788450B2 (en) * | 2020-10-30 | 2023-10-17 | Johnson Matthey Public Limited Company | TWC catalysts for gasoline engine exhaust gas treatments |
CN114082417A (zh) * | 2021-11-22 | 2022-02-25 | 复旦大学 | 一种负载型贵金属蜂窝催化剂及其制备方法和应用 |
CN114950423B (zh) * | 2022-06-08 | 2023-06-09 | 重庆大学 | 室内低浓度甲醛净化催化剂产品及其制备方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1001147A (en) * | 1972-11-30 | 1976-12-07 | Takashi Ohara | Method for the production of exhaust and waste gases purifying catalysts |
US4021185A (en) * | 1973-12-10 | 1977-05-03 | Engelhard Minerals & Chemicals Corporation | Compositions and methods for high temperature stable catalysts |
JPS5187490A (de) * | 1975-01-24 | 1976-07-31 | Grace W R & Co | |
US4172047A (en) * | 1978-09-18 | 1979-10-23 | Ford Motor Company | Catalyst of rhodium on alpha alumina-coated substrate |
DE2907106C2 (de) * | 1979-02-23 | 1985-12-19 | Degussa Ag, 6000 Frankfurt | Abgaskatalysator und seine Verwendung zur Reinigung der Abgase von Verbrennungskraftmaschinen |
US4233189A (en) * | 1979-03-12 | 1980-11-11 | Ford Motor Company | Catalyst of rhodium on zirconia |
JPS56124442A (en) * | 1980-03-06 | 1981-09-30 | Toyota Central Res & Dev Lab Inc | Catalyst for cleaning of exhaust gas |
JPS6019969B2 (ja) * | 1980-07-28 | 1985-05-18 | 井関農機株式会社 | 穀物通風サイロ |
JPS57153737A (en) * | 1981-03-19 | 1982-09-22 | Toyota Motor Corp | Catalyst for purifying exhaust gas |
CA1213874A (en) * | 1983-05-12 | 1986-11-12 | Tomohisa Ohata | Process for producing honeycomb catalyst for exhaust gas conversion |
JPS60110334A (ja) * | 1983-11-21 | 1985-06-15 | Nissan Motor Co Ltd | 排ガス浄化用触媒の製造方法 |
FR2556236B1 (fr) * | 1983-12-09 | 1988-04-01 | Pro Catalyse | Procede de fabrication d'un catalyseur pour le traitement des gaz d'echappement |
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 |
BR8502767A (pt) * | 1984-06-14 | 1986-02-18 | Engelhard Corp | Processo para oxidar simultaneamente hidrocarbonetos gasosos e monoxido de carbono,processo para preparacao de catalisador de tres vias,e processo para oxidacao de hidrocarbonetos e monosido de carbono e para reducao de oxidos de nitrogenio em uma corrente de gas |
US4678770A (en) * | 1985-01-31 | 1987-07-07 | Engelhard Corporation | Three-way catalyst for lean exhaust systems |
US4624940A (en) * | 1985-04-12 | 1986-11-25 | Engelhard Corporation | High temperature catalyst compositions for internal combustion engine |
US4714694A (en) * | 1986-06-30 | 1987-12-22 | Engelhard Corporation | Aluminum-stabilized ceria catalyst compositions, and methods of making the same |
-
1987
- 1987-12-17 US US07/134,363 patent/US4904633A/en not_active Expired - Lifetime
- 1987-12-18 EP EP19930201246 patent/EP0558159A3/en not_active Withdrawn
- 1987-12-18 DE DE3751403T patent/DE3751403T2/de not_active Expired - Fee Related
- 1987-12-18 EP EP87311178A patent/EP0272136B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4904633A (en) | 1990-02-27 |
EP0272136B1 (de) | 1995-07-12 |
EP0558159A2 (de) | 1993-09-01 |
EP0272136A3 (en) | 1989-02-22 |
EP0558159A3 (en) | 1993-12-15 |
EP0272136A2 (de) | 1988-06-22 |
DE3751403T2 (de) | 1995-12-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3751403D1 (de) | Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung. | |
DE69105921D1 (de) | Katalysatorzusammensetzung und Katalysator zur Reinigung von Abgasen und Verfahren zu seiner Herstellung. | |
DE69206707D1 (de) | Katalysator zur Reinigung von Abgasen und Verfahren zu seiner Herstellung | |
DE3781134D1 (de) | Verfahren und katalysator zur reinigung von gas. | |
DE69713176D1 (de) | Katalysator zur Reinigung von Abgasen und Verfahren zu seiner Herstellung | |
DE69919917D1 (de) | Katalysator zur Reinigung von Abgasen und Verfahren zu seiner Herstellung | |
DE69204830D1 (de) | Katalysator und Verfahren zur Reinigung von Abgas. | |
DE68913223D1 (de) | Katalysator zur Abgasreinigung und sein Herstellungsverfahren. | |
DE69312778D1 (de) | Katalysator für Abgasreinigung und Verfahren zur Reinigung von Abgasen | |
DE69009601D1 (de) | Katalysator zur Reinigung von Abgas. | |
DE3784400D1 (de) | Verfahren zur entfernung von stickoxiden aus abgasen und katalysator. | |
DE3766263D1 (de) | Rostfreies band als katalysatortraeger fuer kraftfahrzeugabgase und verfahren zu seiner herstellung. | |
DE69101701D1 (de) | Katalytische Zusammensetzung zur Reinigung von Abgasen und Verfahren zu seiner Herstellung. | |
DE69733848D1 (de) | Katalysator und Verfahren zur Reinigung von Abgasen | |
DE69223270D1 (de) | Katalysatorvorrichtung zur Verbrennung von Abgasen und Verfahren zu seiner Herstellung | |
DE3861470D1 (de) | Keramisches wabenfilter zur reinigung von abgasen. | |
DE69224561D1 (de) | Katalysator und Verfahren zur Reinigung von Abgasen | |
DE69402390D1 (de) | Katalysator und Verfahren zur Reinigung von Abgasen | |
DE3853396D1 (de) | Katalysator und Verfahren zu seiner Herstellung. | |
DE69519115D1 (de) | Katalysator und Verfahren zur Reinigung von Abgasen | |
DE59510832D1 (de) | Verfahren zur katalytischen Reinigung von Abgasen | |
DE69501100D1 (de) | Katalysator und Verfahren zur Reinigung von Abgasen | |
DE69118825D1 (de) | Verfahren zur katalytischen Reinigung von Abgasen | |
DE68927770D1 (de) | Katalytischer Verbundstoff auf der Basis von Delafosite zur Reinigung von Abgasen und Verfahren zu seiner Herstellung | |
DE69212508D1 (de) | Katalysator und Verfahren zur Reinigung von Abgas |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |