ZA939353B - Composition based on an oxide of cerium and zirconium preparation and use - Google Patents
Composition based on an oxide of cerium and zirconium preparation and useInfo
- Publication number
- ZA939353B ZA939353B ZA939353A ZA939353A ZA939353B ZA 939353 B ZA939353 B ZA 939353B ZA 939353 A ZA939353 A ZA 939353A ZA 939353 A ZA939353 A ZA 939353A ZA 939353 B ZA939353 B ZA 939353B
- Authority
- ZA
- South Africa
- Prior art keywords
- cerium
- zirconium
- oxide
- soluble
- composition based
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title abstract 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052726 zirconium Inorganic materials 0.000 title abstract 2
- 229910052684 Cerium Inorganic materials 0.000 title 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 title 1
- 239000003054 catalyst Substances 0.000 abstract 2
- -1 ceric nitrate Chemical class 0.000 abstract 2
- 229910000420 cerium oxide Inorganic materials 0.000 abstract 2
- 239000006104 solid solution Substances 0.000 abstract 2
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 abstract 1
- 150000001785 cerium compounds Chemical class 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-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
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 150000003755 zirconium compounds Chemical class 0.000 abstract 1
- 229910001928 zirconium oxide Inorganic materials 0.000 abstract 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/006—Compounds containing, besides zirconium, two or more other elements, with the exception of oxygen or hydrogen
-
- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- 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
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- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/02—Oxides
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20715—Zirconium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/40—Mixed oxides
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- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
- B01J2523/30—Constitutive chemical elements of heterogeneous catalysts of Group III (IIIA or IIIB) of the Periodic Table
- B01J2523/36—Yttrium
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- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
- B01J2523/30—Constitutive chemical elements of heterogeneous catalysts of Group III (IIIA or IIIB) of the Periodic Table
- B01J2523/37—Lanthanides
- B01J2523/3712—Cerium
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- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
- B01J2523/40—Constitutive chemical elements of heterogeneous catalysts of Group IV (IVA or IVB) of the Periodic Table
- B01J2523/48—Zirconium
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/30—Three-dimensional structures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/77—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by unit-cell parameters, atom positions or structure diagrams
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
- C01P2006/13—Surface area thermal stability thereof at high temperatures
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Dental Preparations (AREA)
- Glass Compositions (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Paints Or Removers (AREA)
- Materials For Medical Uses (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9215376A FR2699524B1 (fr) | 1992-12-21 | 1992-12-21 | Composition à base d'un oxyde mixte de cérium et de zirconium, préparation et utilisation. |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA939353B true ZA939353B (en) | 1994-09-16 |
Family
ID=9436835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA939353A ZA939353B (en) | 1992-12-21 | 1993-12-14 | Composition based on an oxide of cerium and zirconium preparation and use |
Country Status (13)
Country | Link |
---|---|
US (2) | US5693299A (es) |
EP (1) | EP0605274B1 (es) |
JP (1) | JP2947449B2 (es) |
KR (1) | KR100304508B1 (es) |
AT (1) | ATE179680T1 (es) |
AU (1) | AU668236B2 (es) |
BR (1) | BR9305146A (es) |
CA (1) | CA2111892C (es) |
DE (2) | DE605274T1 (es) |
ES (1) | ES2133372T3 (es) |
FI (1) | FI119920B (es) |
FR (1) | FR2699524B1 (es) |
ZA (1) | ZA939353B (es) |
Families Citing this family (100)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2701472B1 (fr) | 1993-02-10 | 1995-05-24 | Rhone Poulenc Chimie | Procédé de préparation de compositions à base d'oxydes mixtes de zirconium et de cérium. |
FR2701471B1 (fr) | 1993-02-10 | 1995-05-24 | Rhone Poulenc Chimie | Procédé de synthèse de compositions à base d'oxydes mixtes de zirconium et de cérium, compositions ainsi obtenues et utilisations de ces dernières. |
FR2714370B1 (fr) * | 1993-12-24 | 1996-03-08 | Rhone Poulenc Chimie | Précurseur d'une composition et composition à base d'un oxyde mixte de cérium et de zirconium, procédé de préparation et utilisation. |
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. |
FR2736343B1 (fr) * | 1995-07-03 | 1997-09-19 | Rhone Poulenc Chimie | Composition a base d'oxyde de zirconium et d'oxyde de cerium, procede de preparation et utilisation |
JP2746861B2 (ja) * | 1995-11-20 | 1998-05-06 | 三井金属鉱業株式会社 | 酸化セリウム超微粒子の製造方法 |
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 |
US5837642A (en) * | 1995-12-26 | 1998-11-17 | Daihatsu Motor Co., Ltd. | Heat-resistant oxide |
JP4067120B2 (ja) * | 1996-02-21 | 2008-03-26 | エイエスイーシー・マニュファクチュアリング | 排気転化触媒のための高度に分散した実質的に均一な混合した金属―酸化物複合担体 |
JP3377676B2 (ja) * | 1996-04-05 | 2003-02-17 | ダイハツ工業株式会社 | 排ガス浄化用触媒 |
FR2748740B1 (fr) * | 1996-05-15 | 1998-08-21 | Rhone Poulenc Chimie | Composition a base d'oxyde de cerium et d'oxyde de zirconium a haute surface specifique et a capacite elevee de stockage d'oxygene, procede de preparation et utilisation en catalyse |
EP0834348B1 (en) | 1996-10-07 | 2004-03-31 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Composite oxide, composite oxide carrier and catalyst |
CN1165489C (zh) * | 1996-10-15 | 2004-09-08 | 罗狄亚稀土公司 | 用于排气系统催化的具有改善热稳定性的铈和锆的氧化物、混合氧化物和固溶体及其生产方法 |
US6030914A (en) * | 1996-11-12 | 2000-02-29 | Tosoh Corporation | Zirconia fine powder and method for its production |
US6506705B2 (en) | 1996-12-06 | 2003-01-14 | Rhodia Chimie | Composition based on cerium oxide or on cerium and zirconium oxides, in the extruded form, process for the preparation thereof and use thereof as catalyst |
FR2756819B1 (fr) * | 1996-12-06 | 1999-02-19 | Rhodia Chimie Sa | Composition a base d'oxyde de cerium ou d'oxydes de cerium et de zirconium, sous forme extrudee, son procede de preparation et son utilisation comme catalyseur |
FR2757425B3 (fr) * | 1996-12-23 | 1999-03-19 | Rhodia Chimie Sa | Procede de traitement de gaz d'echappement de moteurs a combustion interne fonctionnant avec un carburant contenant du soufre |
JP4053623B2 (ja) * | 1996-12-27 | 2008-02-27 | 阿南化成株式会社 | ジルコニウム−セリウム系複合酸化物及びその製造方法 |
JP3429967B2 (ja) * | 1997-02-10 | 2003-07-28 | ダイハツ工業株式会社 | 酸素吸蔵性セリウム系複合酸化物 |
US6037305A (en) * | 1997-03-03 | 2000-03-14 | Rhodia Chimie | Use of Ce/Zr mixed oxide phase for the manufacture of styrene by dehydrogenation of ethylbenzene |
US6133194A (en) * | 1997-04-21 | 2000-10-17 | Rhodia Rare Earths Inc. | Cerium oxides, zirconium oxides, Ce/Zr mixed oxides and Ce/Zr solid solutions having improved thermal stability and oxygen storage capacity |
WO1998045212A1 (en) * | 1997-04-04 | 1998-10-15 | Rhodia Rare Earths Inc. | CERIUM OXIDES, ZIRCONIUM OXIDES, Ce/Zr MIXED OXIDES AND Ce/Zr SOLID SOLUTIONS HAVING IMPROVED THERMAL STABILITY AND OXYGEN STORAGE CAPACITY |
US6180075B1 (en) * | 1997-04-09 | 2001-01-30 | Degussa-H{umlaut over (u)}ls Aktiengesellschaft | Exhaust gas catalyst |
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 |
JP2000167402A (ja) | 1998-12-09 | 2000-06-20 | Daihatsu Motor Co Ltd | 排気ガス浄化用触媒 |
JP2002539348A (ja) * | 1998-10-12 | 2002-11-19 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | 燃焼排気ガスを処理する方法および装置 |
JP2000169148A (ja) * | 1998-12-02 | 2000-06-20 | Daihatsu Motor Co Ltd | セリウム系複合酸化物 |
US6335305B1 (en) | 1999-01-18 | 2002-01-01 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Catalyst for purifying exhaust gas |
CN1094467C (zh) | 1999-02-15 | 2002-11-20 | 上海跃龙有色金属有限公司 | 纳米铈锆复合氧化物、其制备方法及用途 |
EP1035074B1 (en) | 1999-03-05 | 2007-02-14 | Daiichi Kigenso Kagaku Co., Ltd. | Zirconium- and cerium-based mixed oxide, method of production thereof, catalyst material comprising the mixed oxide and use of the catalyst in exhaust gas purification |
EP1186030B1 (de) * | 1999-05-12 | 2011-05-04 | Qimonda AG | Kondensator für halbleiteranordnung und verfahren zum herstellen einer dielektrischen schicht für denselben |
US6204219B1 (en) | 1999-07-29 | 2001-03-20 | W. R. Grace & Co.-Conn. | Thermally stable support material and method for making the same |
US6881384B1 (en) | 1999-08-30 | 2005-04-19 | Daihatsu Motor Co., Ltd. | Catalytic converter for cleaning exhaust gas |
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 |
ES2242673T3 (es) | 2000-03-28 | 2005-11-16 | UMICORE AG & CO. KG | Catalizador de alto rendimiento de capa simple. |
FR2811908B1 (fr) | 2000-07-24 | 2003-04-04 | Rhodia Terres Rares | Procede de traitement d'un gaz pour la reduction de l'emission des oxydes d'azote avec un catalyseur a base de rhodium avec du palladium et/ou du platine |
DE50014200D1 (de) * | 2000-08-19 | 2007-05-10 | Omg Ag & Co Kg | Sauerstoff speicherndes Material auf der Basis von Ceroxid, Verfahren zu seiner Herstellung und Verwendung in der Abgasreinigung von Verbrennungsmotoren |
US6528451B2 (en) | 2001-03-13 | 2003-03-04 | W.R. Grace & Co.-Conn. | Catalyst support material having high oxygen storage capacity and method of preparation thereof |
KR100417530B1 (ko) * | 2001-04-09 | 2004-02-05 | (주)케이.씨.텍 | 직경이 50-100㎚인 미세 산화세륨 입자의 제조방법 |
US7025943B2 (en) * | 2002-05-15 | 2006-04-11 | The Curators Of The University Of Missouri | Method for preparation of nanometer cerium-based oxide particles |
JP3797313B2 (ja) * | 2002-10-28 | 2006-07-19 | トヨタ自動車株式会社 | 金属酸化物粒子の製造法及び排ガス浄化用触媒 |
FR2847830B1 (fr) * | 2002-12-02 | 2005-08-12 | Irma | Procede de decomposition catalytique de n2o en n2 et o2 realise a haute temperature |
US20100187178A1 (en) * | 2003-01-29 | 2010-07-29 | Molycorp Minerals, Llc | Process for removing and sequestering contaminants from aqueous streams |
US6863825B2 (en) | 2003-01-29 | 2005-03-08 | Union Oil Company Of California | Process for removing arsenic from aqueous streams |
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FR2852592B1 (fr) * | 2003-03-18 | 2007-02-23 | Rhodia Elect & Catalysis | Compositions a base d'un oxyde de cerium, d'un oxyde de zirconium et, eventuellement d'un oxyde d'une autre terre rare, a surface specifique elevee a 1100 c, leur procede de preparation et leur utilisation comme catalyseur |
EP1516855B1 (en) * | 2003-09-15 | 2017-03-01 | Toyota Jidosha Kabushiki Kaisha | Cerium-zirconium composite metal oxide with a cerium oxide core surrounded by zirconium oxide |
US7384888B2 (en) * | 2003-09-15 | 2008-06-10 | Toyota Jidosha Kabushiki Kaisha | Cerium-zirconium composite metal oxide |
FR2867769B1 (fr) * | 2004-03-17 | 2006-05-05 | Rhodia Chimie Sa | Composition a base d'oxydes de zirconium, de cerium et d'etain, preparation et utilisation comme catalyseur |
FR2868768B1 (fr) * | 2004-04-07 | 2007-07-20 | Rhodia Chimie Sa | Composition a base d'oxydes de zirconium et d'ytrium, procede de preparation et utilisation dans un systeme catalytique |
JP4660135B2 (ja) * | 2004-07-26 | 2011-03-30 | 第一稀元素化学工業株式会社 | ジルコニア系多孔質体及びその製造方法 |
JP4657645B2 (ja) * | 2004-07-28 | 2011-03-23 | 日揮触媒化成株式会社 | 水性ガスシフト反応触媒および該触媒の製造方法。 |
CN100334001C (zh) * | 2004-09-13 | 2007-08-29 | 广东工业大学 | 中低温固—固反应法制备纳米级铈锆复合氧化物固溶体的方法 |
US7468465B2 (en) * | 2005-05-31 | 2008-12-23 | Exxonmobil Chemical Patents Inc. | Method of making mixed metal oxide containing sulfur |
US7173158B2 (en) | 2005-05-31 | 2007-02-06 | Exxonmobil Chemical Patents Inc. | Mixed metal oxide containing sulfur |
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US8883865B2 (en) | 2006-09-05 | 2014-11-11 | Cerion Technology, Inc. | Cerium-containing nanoparticles |
EP2066767B1 (en) * | 2006-09-05 | 2015-10-21 | Cerion LLC | Cerium dioxide nanoparticle-containing fuel additive |
US10435639B2 (en) | 2006-09-05 | 2019-10-08 | Cerion, Llc | Fuel additive containing lattice engineered cerium dioxide nanoparticles |
ATE539814T1 (de) * | 2006-11-08 | 2012-01-15 | Air Liquide | Verfahren zur herstellung einesträgerkatalysators |
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-
1992
- 1992-12-21 FR FR9215376A patent/FR2699524B1/fr not_active Expired - Fee Related
-
1993
- 1993-12-10 AU AU52347/93A patent/AU668236B2/en not_active Expired
- 1993-12-14 ZA ZA939353A patent/ZA939353B/xx unknown
- 1993-12-15 DE DE0605274T patent/DE605274T1/de active Pending
- 1993-12-15 DE DE69324785.1T patent/DE69324785C5/de not_active Expired - Lifetime
- 1993-12-15 ES ES93403030T patent/ES2133372T3/es not_active Expired - Lifetime
- 1993-12-15 EP EP93403030A patent/EP0605274B1/fr not_active Expired - Lifetime
- 1993-12-15 AT AT93403030T patent/ATE179680T1/de active
- 1993-12-20 FI FI935748A patent/FI119920B/fi not_active IP Right Cessation
- 1993-12-20 CA CA002111892A patent/CA2111892C/fr not_active Expired - Lifetime
- 1993-12-20 KR KR1019930028560A patent/KR100304508B1/ko not_active IP Right Cessation
- 1993-12-20 BR BR9305146A patent/BR9305146A/pt not_active IP Right Cessation
- 1993-12-21 JP JP5344750A patent/JP2947449B2/ja not_active Expired - Lifetime
-
1995
- 1995-07-07 US US08/499,663 patent/US5693299A/en not_active Expired - Lifetime
- 1995-11-30 US US08/562,491 patent/US5712218A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0605274B1 (fr) | 1999-05-06 |
DE69324785T2 (de) | 1999-12-02 |
BR9305146A (pt) | 1994-11-01 |
DE69324785C5 (de) | 2019-10-31 |
KR940013602A (ko) | 1994-07-15 |
ES2133372T3 (es) | 1999-09-16 |
FI119920B (fi) | 2009-05-15 |
US5693299A (en) | 1997-12-02 |
FI935748A0 (fi) | 1993-12-20 |
FR2699524B1 (fr) | 1995-02-10 |
US5712218A (en) | 1998-01-27 |
DE605274T1 (de) | 1998-03-26 |
FR2699524A1 (fr) | 1994-06-24 |
JP2947449B2 (ja) | 1999-09-13 |
JPH06226094A (ja) | 1994-08-16 |
AU668236B2 (en) | 1996-04-26 |
FI935748A (fi) | 1994-06-22 |
ATE179680T1 (de) | 1999-05-15 |
CA2111892A1 (fr) | 1994-06-22 |
KR100304508B1 (ko) | 2001-11-22 |
EP0605274A1 (fr) | 1994-07-06 |
CA2111892C (fr) | 1999-12-14 |
DE69324785D1 (de) | 1999-06-10 |
AU5234793A (en) | 1994-06-30 |
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