FR2900920B1 - 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 - Google Patents
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 catalyseurInfo
- Publication number
- FR2900920B1 FR2900920B1 FR0604287A FR0604287A FR2900920B1 FR 2900920 B1 FR2900920 B1 FR 2900920B1 FR 0604287 A FR0604287 A FR 0604287A FR 0604287 A FR0604287 A FR 0604287A FR 2900920 B1 FR2900920 B1 FR 2900920B1
- Authority
- FR
- France
- Prior art keywords
- lanthan
- samarium
- gadolinium
- cerium
- zirconium
- 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.)
- Active
Links
- 229910052684 Cerium Inorganic materials 0.000 title 1
- 229910052688 Gadolinium Inorganic materials 0.000 title 1
- 229910052772 Samarium Inorganic materials 0.000 title 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title 1
- 239000003054 catalyst Substances 0.000 title 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 title 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 title 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 title 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 title 1
- 229910052727 yttrium Inorganic materials 0.000 title 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 title 1
- 229910052726 zirconium Inorganic materials 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
-
- 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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
-
- 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
- B01J35/70—Catalysts, in general, characterised by their form or physical properties characterised by their crystalline properties, e.g. semi-crystalline
-
- 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
- B01J37/03—Precipitation; Co-precipitation
- B01J37/031—Precipitation
-
- 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
- B01J37/08—Heat treatment
-
- 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
- C01G25/006—Compounds containing zirconium, with or without oxygen or hydrogen, and containing two or more other elements
-
- 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
- B01D2255/40—Mixed oxides
- B01D2255/407—Zr-Ce mixed oxides
-
- 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
- B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
- B01J2235/15—X-ray diffraction
-
- 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
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/612—Surface area less than 10 m2/g
-
- 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
- B01J35/613—10-100 m2/g
-
- 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
-
- 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
-
- 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)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Catalysts (AREA)
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0604287A FR2900920B1 (fr) | 2006-05-15 | 2006-05-15 | 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 |
US12/300,845 US8728435B2 (en) | 2006-05-15 | 2007-05-07 | High specific surface/reducibility catalyst/catalyst support compositions comprising oxides of zirconium, cerium and lanthanum and of yttrium, gadolinium or samarium |
CA2652137A CA2652137C (fr) | 2006-05-15 | 2007-05-07 | Composition a base d'oxydes de zirconium, de cerium, de lanthane et d'yttrium, de gadolinium ou de samarium, a surface specifique et reductibilite elevees, procede de preparation et utilisation comme catalyseur |
KR1020087027842A KR100993706B1 (ko) | 2006-05-15 | 2007-05-07 | 지르코늄, 세륨 및 란타늄의 산화물 및 이트륨, 가돌리늄 또는 사마륨의 산화물 기재 고 비표면 및 환원성 조성물, 그의 제조 방법 및 촉매로서의 용도 |
PL07728850T PL2024084T3 (pl) | 2006-05-15 | 2007-05-07 | Kompozycja na bazie tlenków cyrkonu, ceru, lantanu i itru, gadolinu lub samaru, o dużej powierzchni właściwej i zdolności do redukcji, i zastosowanie jako katalizator |
PCT/EP2007/054397 WO2007131901A1 (fr) | 2006-05-15 | 2007-05-07 | Composition a base d'oxydes de zirconium, de cerium, de lanthane et d'yttrium, de gadolinium ou de samarium, a surface specifique et reductibilite elevees, procede de preparation et utilisation comme catalyseur |
CN2007800175983A CN101448569B (zh) | 2006-05-15 | 2007-05-07 | 具有高还原性和比表面积的基于锆、铈、镧和钇、钆或钐的氧化物的组合物、其制备方法和作为催化剂的用途 |
EP07728850.4A EP2024084B1 (fr) | 2006-05-15 | 2007-05-07 | Composition a base d'oxydes de zirconium, de cerium, de lanthane et d'yttrium, de gadolinium ou de samarium, a surface specifique et reductibilite elevees, et utilisation comme catalyseur |
RU2008149106/04A RU2404855C2 (ru) | 2006-05-15 | 2007-05-07 | Композиция на основе оксидов циркония, церия, лантана и иттрия, гадолиния или самария, с высокой удельной поверхностью и способностью к восстановлению, способ получения и применение в качестве катализатора |
JP2009510404A JP2009537432A (ja) | 2006-05-15 | 2007-05-07 | 高い比表面積および還元率を有する、ジルコニウム、セリウムおよびランタンならびにイットリウム、ガドリニウムまたはサマリウムの酸化物を基にした組成物、調製方法および触媒としての使用 |
ZA200809239A ZA200809239B (en) | 2006-05-15 | 2008-10-28 | Composition based on oxides of zirconium, cerium and lanthanum and of yttrium, gadolinium or samarium, with high specific surface and reducibility, preparation method and use as a catalyst |
JP2012095283A JP5499072B2 (ja) | 2006-05-15 | 2012-04-19 | 高い比表面積および還元率を有する、ジルコニウム、セリウムおよびランタンならびにイットリウム、ガドリニウムまたはサマリウムの酸化物を基にした組成物、調製方法および触媒としての使用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0604287A FR2900920B1 (fr) | 2006-05-15 | 2006-05-15 | 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 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2900920A1 FR2900920A1 (fr) | 2007-11-16 |
FR2900920B1 true FR2900920B1 (fr) | 2008-07-11 |
Family
ID=37591903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0604287A Active FR2900920B1 (fr) | 2006-05-15 | 2006-05-15 | 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 |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN101448569B (fr) |
FR (1) | FR2900920B1 (fr) |
ZA (1) | ZA200809239B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8530372B2 (en) * | 2009-07-22 | 2013-09-10 | Basf Corporation | Oxygen storage catalyst with decreased ceria reduction temperature |
FR2959735B1 (fr) * | 2010-05-06 | 2012-06-22 | Rhodia Operations | Composition a base d'oxydes de zirconium, de cerium d'au moins une autre terre rare, a porosite specifique, procede de preparation et utilisation en catalyse. |
FR2976574B1 (fr) * | 2011-06-17 | 2013-05-31 | Rhodia Operations | Composition a base d'oxydes de cerium, de zirconium et d'une autre terre rare a reductibilite elevee, procede de preparation et utilisation dans le domaine de la catalyse. |
WO2014204684A1 (fr) * | 2013-06-18 | 2014-12-24 | Dow Global Technologies Llc | Catalyseurs et procédés de déshydratation d'alcool |
KR20240049656A (ko) * | 2014-09-05 | 2024-04-16 | 네오 퍼포먼스 메터리얼즈 (싱가포르) 프라이베이트 리미티드 | 다공성 세륨 및 지르코늄을 포함하는 산화물 |
KR102580600B1 (ko) * | 2016-04-26 | 2023-09-21 | 로디아 오퍼레이션스 | 세륨- 및 지르코늄-기재 혼합 산화물 |
US11559788B2 (en) * | 2017-11-06 | 2023-01-24 | Nippon Denko Co., Ltd. | Oxygen storage and release material, catalyst, exhaust gas purification system, and exhaust gas treatment method |
US20230094402A1 (en) * | 2020-03-16 | 2023-03-30 | Neo Performance Materials (Singapore) Pte. Ltd. | Compositions containing zirconium and cerium and methods for preparing same using oxalic acid and supercritical drying |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU4394097A (en) * | 1996-10-15 | 1998-05-11 | Rhodia Inc. | Cerium and zirconium oxides, mixed oxides and solid solutions having im proved thermal stability for catalysis of exhaust gas systems and methods of producing |
WO1998045212A1 (fr) * | 1997-04-04 | 1998-10-15 | Rhodia Rare Earths Inc. | OXYDES DE CERIUM, OXYDES DE ZIRCONIUM, OXYDES MIXTES Ce/Zr ET SOLUTIONS SOLIDES Ce/Zr PRESENTANT UNE STABILITE THERMIQUE ET UNE CAPACITE DE STOCKAGE D'OXYGENE AMELIOREES |
US6387338B1 (en) * | 2000-03-15 | 2002-05-14 | Delphi Technologies, Inc. | Preparation of multi-component Ce, Zr, Mox high oxygen-ion-conduct/oxygen-storage-capacity materials |
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 |
FR2852596B1 (fr) * | 2003-03-18 | 2007-02-23 | Rhodia Elect & Catalysis | Composition a base d'oxydes de cerium et de zirconium a surface specifique stable entre 900 c et 1000 c, son procede de preparation et son utilisation comme catalyseur |
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 |
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 |
-
2006
- 2006-05-15 FR FR0604287A patent/FR2900920B1/fr active Active
-
2007
- 2007-05-07 CN CN2007800175983A patent/CN101448569B/zh active Active
-
2008
- 2008-10-28 ZA ZA200809239A patent/ZA200809239B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CN101448569A (zh) | 2009-06-03 |
CN101448569B (zh) | 2012-07-11 |
FR2900920A1 (fr) | 2007-11-16 |
ZA200809239B (en) | 2009-11-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2930456B1 (fr) | Composition a base d'oxydes de zirconium, de cerium et d'yttrium, a reductibilite elevee, procedes de preparation et utilisation en catalyse | |
FR2900920B1 (fr) | 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) | Kompozycja na bazie tlenków cyrkonu, ceru, lantanu i itru, gadolinu lub samaru, o dużej powierzchni właściwej i zdolności do redukcji, i zastosowanie jako katalizator | |
FR2905371B1 (fr) | Composition a reductibilite elevee a base d'un oxyde de cerium nanometrique sur un support, procede de preparation et utilisation comme catalyseur | |
FR2859470B1 (fr) | Composition a base d'oxyde de cerium et d'oxyde de zirconium a reductibilite et surface elevees, procede de preparation et utilisation comme catalyseur | |
FR2948116B1 (fr) | Composition a base d'oxyde de cerium et d'oxyde de zirconium de porosite specifique, procede de preparation et utilisation en catalyse | |
FR2959735B1 (fr) | Composition a base d'oxydes de zirconium, de cerium d'au moins une autre terre rare, a porosite specifique, procede de preparation et utilisation en catalyse. | |
FR2897609B1 (fr) | Composition a base d'oxydes de zirconium, de cerium, d'yttrium, de lanthane et d'une autre terre rare, procede de preparation et utilisation en catalyse | |
FR2867769B1 (fr) | Composition a base d'oxydes de zirconium, de cerium et d'etain, preparation et utilisation comme catalyseur | |
FR2928364B1 (fr) | Composition a base d'un oxyde de zirconium,d'un oxyde de titane ou d'un oxyde mixte de zirconium et de titane sur un support en alumine,procedes de preparation et utilisation comme catalyseur | |
FR2917646B1 (fr) | Oxyde mixte a haute surface specifique de cerium et d'autre terre rare, procede de preparation et utilisation en catalyse | |
FR2942624B1 (fr) | Composition comprenant une perovskite a base de lanthane sur un support en alumine ou en oxyhydroxyde d'aluminium, procede de preparation et utilisation en catalyse | |
PL1603657T3 (pl) | Kompozycje na bazie tlenku ceru, tlenku cyrkonu i opcjonalnie tlenku innego pierwiastka ziem rzadkich, o dużej powierzchni właściwej w temperaturze 1100 °C, sposób ich wytwarzania i ich zastosowanie jako katalizator | |
EP2036258A4 (fr) | Différenciation et séquencement basés sur le contenu, utilisés comme mécanisme d'établissement de priorités | |
EP2065067A4 (fr) | Concentrateur d'oxygène | |
EP2210640A4 (fr) | Concentrateur d'oxygène | |
BRPI0810961A2 (pt) | "processo para a preparação de olefinas e composição catalisadora" | |
DE602005015405D1 (de) | Katalysator für eine Brennstoffzelle, Verfahren zur Herstellung des Katalysators, Membran-Elektroden-Einheit und Brennstoffzelle mit dem Katalysator | |
FR2901155B1 (fr) | Compositions utilisees notamment pour le piegeage d'oxydes d'azote (nox) | |
ZA200806013B (en) | Zeolite catalyst with improved nox reduction in SCR | |
EP2032812A4 (fr) | Système de catalyse pour diesel | |
GB0710115D0 (en) | Engine exhaust catalysts containing palladium-gold | |
IL182183A0 (en) | A heavy hydrocarbon aromatics conversion catalyst composition, processes for the preparation thereof and utilizing the same | |
EP2036936A4 (fr) | Résine absorbant l'oxygène, compositions de résine absorbant l'oxygène et récipients absorbant l'oxygène | |
EP1801096A4 (fr) | Ester polyglycérique d'acide gras et préparation contenant ledit ester |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
PLFP | Fee payment |
Year of fee payment: 11 |
|
PLFP | Fee payment |
Year of fee payment: 12 |
|
PLFP | Fee payment |
Year of fee payment: 13 |
|
PLFP | Fee payment |
Year of fee payment: 15 |
|
PLFP | Fee payment |
Year of fee payment: 16 |
|
PLFP | Fee payment |
Year of fee payment: 17 |
|
PLFP | Fee payment |
Year of fee payment: 18 |
|
CA | Change of address |
Effective date: 20230824 |
|
PLFP | Fee payment |
Year of fee payment: 19 |