ATE60868T1 - Katalysator fuer die reinigung der abgase von verbrennungskraftmaschinen. - Google Patents
Katalysator fuer die reinigung der abgase von verbrennungskraftmaschinen.Info
- Publication number
- ATE60868T1 ATE60868T1 AT88309059T AT88309059T ATE60868T1 AT E60868 T1 ATE60868 T1 AT E60868T1 AT 88309059 T AT88309059 T AT 88309059T AT 88309059 T AT88309059 T AT 88309059T AT E60868 T1 ATE60868 T1 AT E60868T1
- Authority
- AT
- Austria
- Prior art keywords
- lanthanum
- oxide
- alumina
- dispersed
- support
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title 1
- 239000007789 gas Substances 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 abstract 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 5
- 229910052809 inorganic oxide Inorganic materials 0.000 abstract 4
- 229910052746 lanthanum Inorganic materials 0.000 abstract 4
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 abstract 4
- 230000003197 catalytic effect Effects 0.000 abstract 3
- 239000002131 composite material Substances 0.000 abstract 3
- 239000002245 particle Substances 0.000 abstract 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 229910000510 noble metal Inorganic materials 0.000 abstract 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 2
- 150000002910 rare earth metals Chemical class 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- 229910052692 Dysprosium Inorganic materials 0.000 abstract 1
- 229910052693 Europium Inorganic materials 0.000 abstract 1
- 229910052689 Holmium Inorganic materials 0.000 abstract 1
- 229910052779 Neodymium Inorganic materials 0.000 abstract 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 abstract 1
- 229910052769 Ytterbium Inorganic materials 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910000323 aluminium silicate Inorganic materials 0.000 abstract 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910000420 cerium oxide Inorganic materials 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 abstract 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 abstract 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052741 iridium Inorganic materials 0.000 abstract 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 abstract 1
- 150000002603 lanthanum Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 abstract 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- -1 praeseodymium Chemical compound 0.000 abstract 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 abstract 1
- 229910052703 rhodium Inorganic materials 0.000 abstract 1
- 239000010948 rhodium Substances 0.000 abstract 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 abstract 1
- 229910052707 ruthenium Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 abstract 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
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
-
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/102,967 US4791091A (en) | 1987-09-30 | 1987-09-30 | Catalyst for treatment of exhaust gases from internal combustion engines and method of manufacturing the catalyst |
| EP88309059A EP0310398B1 (de) | 1987-09-30 | 1988-09-29 | Katalysator für die Reinigung der Abgase von Verbrennungskraftmaschinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE60868T1 true ATE60868T1 (de) | 1991-02-15 |
Family
ID=22292660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT88309059T ATE60868T1 (de) | 1987-09-30 | 1988-09-29 | Katalysator fuer die reinigung der abgase von verbrennungskraftmaschinen. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4791091A (de) |
| EP (1) | EP0310398B1 (de) |
| JP (1) | JPH03501355A (de) |
| AT (1) | ATE60868T1 (de) |
| CA (1) | CA1312325C (de) |
| DE (1) | DE3861775D1 (de) |
| ES (1) | ES2019988B3 (de) |
| WO (1) | WO1989002782A1 (de) |
Families Citing this family (93)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4919902A (en) * | 1987-09-30 | 1990-04-24 | Allied-Signal Inc. | Catalyst for treatment of exhaust gases from internal combustion engines |
| DE3853258T2 (de) * | 1987-11-07 | 1995-08-24 | Nippon Catalytic Chem Ind | Katalysator zur Abgasreinigung von Dieselmotoren. |
| DE68916285D1 (de) * | 1988-03-12 | 1994-07-28 | Akira Igarashi | Verfahren zur Dampfreformierung von Kohlenwasserstoffen. |
| US4960574A (en) * | 1988-05-23 | 1990-10-02 | Allied-Signal Inc. | Palladium containing catalyst for treatment of automotive exhaust |
| 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 |
| US5216875A (en) * | 1988-08-22 | 1993-06-08 | Engelhard Corporation | Catalytic combustion process using supported palladium oxide catalysts |
| US4900712A (en) * | 1988-09-30 | 1990-02-13 | Prototech Company | Catalytic washcoat and method of preparation of the same |
| US4923842A (en) * | 1988-10-11 | 1990-05-08 | Allied-Signal Inc. | Lanthanum containing catalyst for treating automotive exhaust |
| JP2730750B2 (ja) * | 1989-02-16 | 1998-03-25 | マツダ株式会社 | 排気ガス浄化用触媒およびその製造方法 |
| US5474441A (en) * | 1989-08-22 | 1995-12-12 | Engelhard Corporation | Catalyst configuration for catalytic combustion systems |
| JPH0380937A (ja) * | 1989-08-25 | 1991-04-05 | Tonen Corp | 炭化水素の水蒸気改質触媒及びその製造方法 |
| JP2909553B2 (ja) * | 1989-10-18 | 1999-06-23 | トヨタ自動車株式会社 | 排気ガス浄化用触媒及び排気ガスの浄化方法 |
| US5021389A (en) * | 1989-11-22 | 1991-06-04 | Ford Motor Company | Three-way catalyst for automotive emission control and method of making the catalyst |
| US4992405A (en) * | 1989-11-22 | 1991-02-12 | Ford Motor Company | Three-way catalyst for automotive emission control and method of making the catalyst |
| US5041407A (en) * | 1989-12-14 | 1991-08-20 | Allied-Signal Inc. | High-temperature three-way catalyst for treating automotive exhaust gases |
| US5051244A (en) * | 1990-07-20 | 1991-09-24 | Uop | Use of a molecular sieve bed to minimize emissions during cold start of internal combustion engines |
| US5078979A (en) * | 1990-07-20 | 1992-01-07 | Uop | Molecular sieve bed/catalyst to treat automotive exhaust |
| US5064803A (en) * | 1990-08-31 | 1991-11-12 | Allied-Signal Inc. | Preparation of three-way catalysts with highly dispersed ceria |
| US5234670A (en) * | 1990-09-20 | 1993-08-10 | Molecular Technology Corporation | Reduction of nitrogen oxide in effluent gases using NCO radicals |
| US5192515A (en) * | 1990-09-20 | 1993-03-09 | Molecular Technology Corporation | Reduction of nitrogen oxide and carbon monoxide in effluent gases |
| AU645632B2 (en) * | 1990-12-06 | 1994-01-20 | Tosoh Corporation | Catalyst for purifying exhaust gas |
| WO1992014547A1 (en) * | 1991-02-14 | 1992-09-03 | The Regents Of The University Of California | Immobilized free molecule aerosol catalytic reactor |
| US5114901A (en) * | 1991-02-19 | 1992-05-19 | General Motors Corporation | Ceramic coating for a catalyst support |
| US5378142A (en) * | 1991-04-12 | 1995-01-03 | Engelhard Corporation | Combustion process using catalysts containing binary oxides |
| US5142864A (en) * | 1991-09-30 | 1992-09-01 | Uop | Process for treating an engine exhaust stream employing a catalyst, an adsorbent bed and a turbocharger |
| US5208204A (en) * | 1991-10-07 | 1993-05-04 | Ford Motor Company | Three-way catalyst for treating emissions from compressed natural gas fueled engines |
| US5185305A (en) * | 1991-11-08 | 1993-02-09 | Ford Motor Company | Catalyst system for treating the exhaust from a lean-burn gasoline-fueled engine |
| US5179053A (en) * | 1991-11-08 | 1993-01-12 | Ford Motor Company | Treating exchaust from a compressed natural gas-fueled engine |
| US5593654A (en) * | 1992-03-12 | 1997-01-14 | Condea Vista Company | Preparation of stabilized alumina having enhanced resistance to loss of surface area at high temperatures |
| WO1994007600A1 (en) * | 1992-09-28 | 1994-04-14 | Allied-Signal Inc. | Palladium-containing three-way automotive catalysts having unique support |
| US5837634A (en) * | 1992-11-12 | 1998-11-17 | Condea Vista Company | Process for producing stabilized alumina having enhanced resistance to loss of surface area at high temperatures |
| JP3281087B2 (ja) * | 1993-02-10 | 2002-05-13 | 日本碍子株式会社 | 排ガス浄化用触媒 |
| JP3447384B2 (ja) * | 1993-09-29 | 2003-09-16 | 本田技研工業株式会社 | 排気ガス浄化用触媒 |
| 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 |
| FI94843C (fi) * | 1993-12-20 | 1995-11-10 | Kemira Oy | Katalyytti bensiinimoottorin pakokaasujen puhdistukseen ja menetelmä sen valmistamiseksi |
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| FR2720295B1 (fr) * | 1994-05-27 | 1996-07-12 | Rhone Poulenc Chimie | Composé dispersible à base d'une terre rare, suspension colloïdale obtenue à partir de ce composé, leurs procédés de préparation et utilisation à la fabrication de catalyseurs. |
| WO1995032790A1 (en) * | 1994-06-01 | 1995-12-07 | Asec Manufacturing Company | ALLOYED METAL CATALYSTS FOR THE REDUCTION OF NOx IN THE EXHAUST GASES FROM INTERNAL COMBUSTION ENGINES CONTAINING EXCESS OXYGEN |
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| US5741467A (en) * | 1995-06-07 | 1998-04-21 | Asec Manufacturing | Palladium catalyst washcoat supports for improved methane oxidation in natural gas automotive emission catalysts |
| EP0885053A1 (de) | 1996-02-21 | 1998-12-23 | ASEC Manufacturing Company | Metalloxidzusammensetzung für abgasumwandlungskatalysatoren |
| DE69728341T2 (de) * | 1996-10-07 | 2004-12-30 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Verbundoxid, Verbundoxidträger und Katalysator |
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| US6569392B1 (en) * | 2000-02-02 | 2003-05-27 | Ford Global Technologies Llc | Three-way rare earth oxide catalyst |
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| US8580228B2 (en) | 2006-12-27 | 2013-11-12 | Chevron U.S.A. Inc. | Treatment of cold start engine exhaust |
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| EP2255875A4 (de) * | 2008-03-19 | 2012-02-29 | Ict Co Ltd | Katalysator zur abgasreinigung bei einem verbrennungsmotor und abgasreinigungsverfahren mit diesem katalysator |
| US8763364B2 (en) | 2011-04-18 | 2014-07-01 | Chevron U.S.A. Inc. | Treatment of cold start engine exhaust |
| JP5859366B2 (ja) * | 2011-09-06 | 2016-02-10 | 三井金属鉱業株式会社 | 排気ガス浄化用触媒及び排気ガス浄化用触媒構成体 |
| WO2013154671A1 (en) | 2012-04-12 | 2013-10-17 | Chevron U.S.A. Inc. | Processes using molecular sieve ssz-87 |
| WO2014123610A1 (en) | 2013-02-08 | 2014-08-14 | Chevron U.S.A. Inc. | Processes using molecular sieve ssz-85 |
| US9034287B2 (en) * | 2013-03-13 | 2015-05-19 | Basf Corporation | Catalyst compositions, articles, methods and systems |
| WO2015179228A1 (en) | 2014-05-21 | 2015-11-26 | Chevron U.S.A. Inc. | Processes using molecular sieve ssz-95 |
| WO2015187216A1 (en) | 2014-06-04 | 2015-12-10 | Chevron U.S.A. Inc. | Processes using molecular sieve ssz-100 |
| US9475038B2 (en) | 2014-06-04 | 2016-10-25 | Chevron U.S.A. Inc. | Processes using molecular sieve SSZ-99 |
| MX376508B (es) | 2014-07-03 | 2025-03-07 | Chevron Usa Inc | Procesos que usan tamiz molecular ssz-98. |
| WO2016039808A1 (en) | 2014-09-09 | 2016-03-17 | Chevron U.S.A. Inc. | Processes using molecular sieve ssz-101 |
| US20160102590A1 (en) | 2014-10-14 | 2016-04-14 | Exxonmobil Research And Engineering Company | Methods of making porous crystalline materials and their use in hydrocarbon sorption |
| JP6909653B2 (ja) * | 2017-07-03 | 2021-07-28 | 日揮触媒化成株式会社 | 一酸化炭素酸化促進剤、その製造方法及び炭化水素油の流動接触分解方法 |
| CN108311156A (zh) * | 2018-02-01 | 2018-07-24 | 广州市新稀冶金化工有限公司 | 基于纳米稀土水溶胶的无矾脱硝催化剂及其制备方法 |
| DE102020006598A1 (de) | 2020-10-27 | 2022-04-28 | Technische Universität Bergakademie Freiberg, Körperschaft des öffentlichen Rechts | Feuerfester Keramikwerkstoff auf der Basis von La2O3 und Verfahren zu seiner Herstellung |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL76445C (de) * | 1950-03-08 | |||
| US3767453A (en) * | 1971-06-30 | 1973-10-23 | Universal Oil Prod Co | Method of depositing a high surface area alumina film on a relatively low surface area support |
| US3873469A (en) * | 1972-04-12 | 1975-03-25 | Corning Glass Works | Support coatings for catalysts |
| US3927131A (en) * | 1974-06-10 | 1975-12-16 | Dow Chemical Co | Dehydrohalogenation of halogenated hydrocarbons |
| FR2354813A1 (fr) * | 1976-06-17 | 1978-01-13 | Commissariat Energie Atomique | Catalyseur d'oxydo-reduction pour le traitement des gaz de combustion et son procede de fabrication |
| US4170573A (en) * | 1978-04-07 | 1979-10-09 | W. R. Grace & Co. | Rare earth and platinum group metal catalyst compositions |
| JPS5787839A (en) * | 1980-11-20 | 1982-06-01 | Toyota Motor Corp | Catalyst of monolithic construction type for purification of waste gas |
| CA1182805A (en) * | 1981-03-13 | 1985-02-19 | Leo A. Rheaume | Cracking catalyst/sulfur oxide gettering agent compositions |
| US4591580A (en) * | 1983-01-26 | 1986-05-27 | W. R. Grace & Co. | Stabilized and doubly promoted platinum group metal catalysts for emission control and method of making same |
| DE3340569A1 (de) * | 1983-11-09 | 1985-05-23 | Sued Chemie Ag | Katalysator zur herstellung von synthesegas bzw. von wasserstoff und verfahren zu dessen herstellung |
| JPS60110335A (ja) * | 1983-11-21 | 1985-06-15 | Nissan Motor Co Ltd | 排ガス浄化用触媒 |
| 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 |
-
1987
- 1987-09-30 US US07/102,967 patent/US4791091A/en not_active Expired - Fee Related
-
1988
- 1988-09-28 CA CA000578653A patent/CA1312325C/en not_active Expired - Fee Related
- 1988-09-29 DE DE8888309059T patent/DE3861775D1/de not_active Expired - Lifetime
- 1988-09-29 WO PCT/US1988/003363 patent/WO1989002782A1/en not_active Ceased
- 1988-09-29 ES ES88309059T patent/ES2019988B3/es not_active Expired - Lifetime
- 1988-09-29 AT AT88309059T patent/ATE60868T1/de not_active IP Right Cessation
- 1988-09-29 JP JP63508348A patent/JPH03501355A/ja active Pending
- 1988-09-29 EP EP88309059A patent/EP0310398B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0310398B1 (de) | 1991-02-13 |
| ES2019988B3 (es) | 1991-07-16 |
| DE3861775D1 (de) | 1991-03-21 |
| US4791091A (en) | 1988-12-13 |
| EP0310398A1 (de) | 1989-04-05 |
| CA1312325C (en) | 1993-01-05 |
| JPH03501355A (ja) | 1991-03-28 |
| WO1989002782A1 (en) | 1989-04-06 |
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| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |