ATE232838T1 - Cerium und zirkonium oxide, mischoxide und feste lösungen mit verbesserte thermische stabilität fur katalyse von abgassysteme und verfahren zur herstellung - Google Patents
Cerium und zirkonium oxide, mischoxide und feste lösungen mit verbesserte thermische stabilität fur katalyse von abgassysteme und verfahren zur herstellungInfo
- Publication number
- ATE232838T1 ATE232838T1 AT97942148T AT97942148T ATE232838T1 AT E232838 T1 ATE232838 T1 AT E232838T1 AT 97942148 T AT97942148 T AT 97942148T AT 97942148 T AT97942148 T AT 97942148T AT E232838 T1 ATE232838 T1 AT E232838T1
- Authority
- AT
- Austria
- Prior art keywords
- oxides
- cerium
- thermal stability
- improved thermal
- solid solutions
- Prior art date
Links
- 229910000420 cerium oxide Inorganic materials 0.000 title abstract 3
- 230000001976 improved effect Effects 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 239000006104 solid solution Substances 0.000 title abstract 3
- 230000008569 process Effects 0.000 title abstract 2
- 229910001928 zirconium oxide Inorganic materials 0.000 title abstract 2
- 238000006555 catalytic reaction Methods 0.000 title 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 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 2
- 238000005406 washing Methods 0.000 abstract 2
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- DRVWBEJJZZTIGJ-UHFFFAOYSA-N cerium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Ce+3].[Ce+3] DRVWBEJJZZTIGJ-UHFFFAOYSA-N 0.000 abstract 1
- 238000000975 co-precipitation Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical class [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
-
- 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
-
- 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
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
-
- 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
- C01P2006/32—Thermal properties
-
- 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
- C01P2006/90—Other properties not specified above
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Exhaust Gas After Treatment (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73013696A | 1996-10-15 | 1996-10-15 | |
| US08/730,554 US5747401A (en) | 1996-10-15 | 1996-10-15 | Cerium and zirconium oxides, mixed oxides and solid solutions having improved thermal stability |
| US08/729,933 US5723101A (en) | 1996-10-15 | 1996-10-15 | Method for producing cerium and zirconium oxides, mixed oxides and solid solutions having improved thermal stability |
| PCT/IB1997/001253 WO1998016472A1 (en) | 1996-10-15 | 1997-10-09 | Cerium and zirconium oxides, mixed oxides and solid solutions having improved thermal stability for catalysis of exhaust gas systems and methods of producing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE232838T1 true ATE232838T1 (de) | 2003-03-15 |
Family
ID=27419139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97942148T ATE232838T1 (de) | 1996-10-15 | 1997-10-09 | Cerium und zirkonium oxide, mischoxide und feste lösungen mit verbesserte thermische stabilität fur katalyse von abgassysteme und verfahren zur herstellung |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0946420B1 (de) |
| JP (1) | JP4142107B2 (de) |
| KR (1) | KR100481419B1 (de) |
| CN (1) | CN1165489C (de) |
| AT (1) | ATE232838T1 (de) |
| AU (1) | AU4394097A (de) |
| BR (1) | BR9712315A (de) |
| CA (1) | CA2268830C (de) |
| DE (1) | DE69719211T2 (de) |
| ES (1) | ES2193400T3 (de) |
| MY (1) | MY116156A (de) |
| NO (1) | NO991763L (de) |
| WO (1) | WO1998016472A1 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| US6294140B1 (en) | 1999-04-23 | 2001-09-25 | Degussa Ag | Layered noble metal-containing exhaust gas catalyst and its preparation |
| FR2793163B1 (fr) * | 1999-05-07 | 2001-08-10 | Ecia Equip Composants Ind Auto | Composition d'epuration avec traitement des nox des gaz d'echappement d'un moteur a combustion interne |
| DE19955456A1 (de) * | 1999-11-17 | 2001-05-23 | Degussa | Verfahren zur Herstellung eines Stickoxid-Speichermaterials und damit hergestelltes Speichermaterial |
| JP5168527B2 (ja) * | 2001-01-18 | 2013-03-21 | 株式会社豊田中央研究所 | 酸化物粉末とその製造方法 |
| JP3946982B2 (ja) * | 2001-11-01 | 2007-07-18 | ニッケイ・メル株式会社 | ジルコニア・セリア基複合酸化物の製造方法 |
| CN100374376C (zh) | 2003-04-30 | 2008-03-12 | 镁电子有限公司 | 锆基氧化物的制备方法和用途 |
| KR20040100136A (ko) * | 2003-05-21 | 2004-12-02 | 한화석유화학 주식회사 | 금속 산화물의 도핑 방법 |
| FR2859470B1 (fr) | 2003-09-04 | 2006-02-17 | Rhodia Elect & Catalysis | Composition a base d'oxyde de cerium et d'oxyde de zirconium a reductibilite et surface elevees, procede de preparation et utilisation comme catalyseur |
| FR2898887B1 (fr) | 2006-03-21 | 2008-05-02 | Rhodia Recherches & Tech | Composition a base d'oxyde de zirconium et d'oxyde de cerium a reductibilite elevee et a surface specifique stable procede de preparation et utilisation dans le traitement des gaz d'echappement |
| CN100347092C (zh) * | 2006-04-04 | 2007-11-07 | 欧洲海赛有限公司 | 一种氧化锆复合物纳米晶体材料的制备方法 |
| FR2900920B1 (fr) * | 2006-05-15 | 2008-07-11 | Rhodia Recherches & Tech | Composition a base d'oxides de zirconium, de cerium, de lanthane et d'yttrium, de gadolinium ou de samarium, a surface specifique stable, procede de preparation et utilisation comme catalyseur |
| PL2024084T3 (pl) * | 2006-05-15 | 2020-01-31 | RHODIA OPéRATIONS | Kompozycja na bazie tlenków cyrkonu, ceru, lantanu i itru, gadolinu lub samaru, o dużej powierzchni właściwej i zdolności do redukcji, i zastosowanie jako katalizator |
| JP5164665B2 (ja) * | 2008-04-09 | 2013-03-21 | 第一稀元素化学工業株式会社 | セリウム−ジルコニウム系複合酸化物及びその製造方法 |
| JP6647586B2 (ja) * | 2015-04-02 | 2020-02-14 | Dic株式会社 | 絶縁膜形成用前駆体溶液の製造方法およびゲート絶縁膜の製造方法 |
| JP7667079B2 (ja) | 2019-06-17 | 2025-04-22 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2594821B1 (fr) * | 1986-02-24 | 1988-05-20 | Solvay | Procede de fabrication d'oxydes metalliques vitreux |
| FR2623793B1 (fr) * | 1987-11-30 | 1991-06-07 | Rhone Poulenc Chimie | Procede de preparation de granules a base d'oxyde de titane, de zirconium, ou de cerium et produits ainsi obtenus |
| DE69020609T2 (de) * | 1989-04-07 | 1995-12-07 | Nippon Catalytic Chem Ind | Verfahren zur Herstellung von kleinen anorganischen Teilchen. |
| FR2699524B1 (fr) * | 1992-12-21 | 1995-02-10 | Rhone Poulenc Chimie | Composition à base d'un oxyde mixte de cérium et de zirconium, préparation et utilisation. |
-
1997
- 1997-10-09 BR BR9712315-3A patent/BR9712315A/pt not_active IP Right Cessation
- 1997-10-09 JP JP51813998A patent/JP4142107B2/ja not_active Expired - Fee Related
- 1997-10-09 AU AU43940/97A patent/AU4394097A/en not_active Abandoned
- 1997-10-09 CN CNB971988706A patent/CN1165489C/zh not_active Expired - Lifetime
- 1997-10-09 CA CA002268830A patent/CA2268830C/en not_active Expired - Lifetime
- 1997-10-09 DE DE69719211T patent/DE69719211T2/de not_active Expired - Lifetime
- 1997-10-09 WO PCT/IB1997/001253 patent/WO1998016472A1/en not_active Ceased
- 1997-10-09 AT AT97942148T patent/ATE232838T1/de not_active IP Right Cessation
- 1997-10-09 EP EP97942148A patent/EP0946420B1/de not_active Expired - Lifetime
- 1997-10-09 KR KR10-1999-7003208A patent/KR100481419B1/ko not_active Expired - Lifetime
- 1997-10-09 ES ES97942148T patent/ES2193400T3/es not_active Expired - Lifetime
- 1997-10-14 MY MYPI97004821A patent/MY116156A/en unknown
-
1999
- 1999-04-14 NO NO991763A patent/NO991763L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0946420A1 (de) | 1999-10-06 |
| DE69719211T2 (de) | 2003-12-18 |
| CA2268830A1 (en) | 1998-04-23 |
| KR100481419B1 (ko) | 2005-04-11 |
| JP4142107B2 (ja) | 2008-08-27 |
| ES2193400T3 (es) | 2003-11-01 |
| WO1998016472A1 (en) | 1998-04-23 |
| NO991763L (no) | 1999-06-14 |
| EP0946420B1 (de) | 2003-02-19 |
| KR20000049124A (ko) | 2000-07-25 |
| AU4394097A (en) | 1998-05-11 |
| BR9712315A (pt) | 2001-01-23 |
| CN1241989A (zh) | 2000-01-19 |
| MY116156A (en) | 2003-11-28 |
| CA2268830C (en) | 2005-06-14 |
| NO991763D0 (no) | 1999-04-14 |
| CN1165489C (zh) | 2004-09-08 |
| JP2001504428A (ja) | 2001-04-03 |
| DE69719211D1 (de) | 2003-03-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification |
Ref document number: 0946420 Country of ref document: EP |
|
| REN | Ceased due to non-payment of the annual fee |