ATE510617T1 - Katalysator, der ein siliciumdioxid-aluminiumoxid enthält, und dessen verwendung beim hydrocracking von kohlenwasserstoff-einsatzstoffen - Google Patents
Katalysator, der ein siliciumdioxid-aluminiumoxid enthält, und dessen verwendung beim hydrocracking von kohlenwasserstoff-einsatzstoffenInfo
- Publication number
- ATE510617T1 ATE510617T1 AT02711947T AT02711947T ATE510617T1 AT E510617 T1 ATE510617 T1 AT E510617T1 AT 02711947 T AT02711947 T AT 02711947T AT 02711947 T AT02711947 T AT 02711947T AT E510617 T1 ATE510617 T1 AT E510617T1
- Authority
- AT
- Austria
- Prior art keywords
- group
- silica
- hydrocracking
- alumina
- weight
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title abstract 3
- 239000004215 Carbon black (E152) Substances 0.000 title abstract 2
- 238000004517 catalytic hydrocracking Methods 0.000 title abstract 2
- 229930195733 hydrocarbon Natural products 0.000 title abstract 2
- 150000002430 hydrocarbons Chemical class 0.000 title abstract 2
- HHUIAYDQMNHELC-UHFFFAOYSA-N [O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O HHUIAYDQMNHELC-UHFFFAOYSA-N 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 3
- 239000011148 porous material Substances 0.000 abstract 3
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 238000002459 porosimetry Methods 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
Classifications
-
- 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
- B01J21/12—Silica and alumina
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
- C10G47/02—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used
- C10G47/10—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used with catalysts deposited on a carrier
- C10G47/12—Inorganic carriers
-
- 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
- B01J35/615—100-500 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
- B01J35/63—Pore volume
- B01J35/635—0.5-1.0 ml/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
- B01J35/63—Pore volume
- B01J35/638—Pore volume more than 1.0 ml/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
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
-
- 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
- B01J35/66—Pore distribution
-
- 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
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/20—Sulfiding
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0100470A FR2819430B1 (fr) | 2001-01-15 | 2001-01-15 | Catalyseur comportant une silice-alumine et son utilisation en hydrocraquage de charges hydrocarbonees |
| PCT/FR2002/000119 WO2002055192A1 (fr) | 2001-01-15 | 2002-01-14 | Catalyseur comportant une silice-alumine et son utilisation en hydrocraquage de charges hydrocarbonees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE510617T1 true ATE510617T1 (de) | 2011-06-15 |
Family
ID=8858811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02711947T ATE510617T1 (de) | 2001-01-15 | 2002-01-14 | Katalysator, der ein siliciumdioxid-aluminiumoxid enthält, und dessen verwendung beim hydrocracking von kohlenwasserstoff-einsatzstoffen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6733657B2 (de) |
| EP (1) | EP1353747B1 (de) |
| JP (1) | JP2004535268A (de) |
| KR (1) | KR100837195B1 (de) |
| AT (1) | ATE510617T1 (de) |
| DK (1) | DK1353747T3 (de) |
| FR (1) | FR2819430B1 (de) |
| WO (1) | WO2002055192A1 (de) |
Families Citing this family (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7288498B1 (en) * | 1997-03-18 | 2007-10-30 | Selecto, Inc | Transition metal oxide-aluminosilicate purification media |
| FR2846574B1 (fr) * | 2002-10-30 | 2006-05-26 | Inst Francais Du Petrole | Catalyseur et procede d'hydrocraquage de charges hydrocarbonees |
| US7030053B2 (en) * | 2002-11-06 | 2006-04-18 | Conocophillips Company | Catalyst composition comprising ruthenium and a treated silica support component and processes therefor and therewith for preparing high molecular weight hydrocarbons such as polymethylene |
| US20070215523A1 (en) * | 2002-12-10 | 2007-09-20 | Moser Mark D | Dilute phosphorus incorporation into a naphtha reforming catalyst |
| FR2851569B1 (fr) * | 2003-02-21 | 2007-04-20 | Inst Francais Du Petrole | Procede d'hydrocraquage en deux etapes utilisant un catalyseur amorphe a base de platine et de palladium |
| FR2863913B1 (fr) * | 2003-12-23 | 2006-12-29 | Inst Francais Du Petrole | Catalyseur zeolithique,support a base de matrice silico-aluminique et de zeolithe, et procede d'hydrocraquage de charges hydrocarbonees |
| JP2005218958A (ja) * | 2004-02-05 | 2005-08-18 | Tottori Univ | 芳香族化合物の水素化反応触媒および芳香族化合物の水素化方法 |
| JP2007526119A (ja) * | 2004-03-03 | 2007-09-13 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | 触媒担体と触媒組成物、それらの調製方法およびそれらの使用方法 |
| US7575688B2 (en) * | 2004-03-15 | 2009-08-18 | Honeywell International Inc. | Apparatus and method for removing sulfur containing compounds from a post-refinery fuel stream |
| FR2873116B1 (fr) * | 2004-07-15 | 2012-11-30 | Inst Francais Du Petrole | Procede d'oligomerisation des olefines utilisant un catalyseur a base de silice-alumine |
| US7323100B2 (en) * | 2004-07-16 | 2008-01-29 | Conocophillips Company | Combination of amorphous materials for hydrocracking catalysts |
| FR2874837B1 (fr) * | 2004-09-08 | 2007-02-23 | Inst Francais Du Petrole | Catalyseur dope et procede ameliore de traitement de charges hydrocarbonees |
| US7648941B2 (en) * | 2004-09-22 | 2010-01-19 | Exxonmobil Research And Engineering Company | Bulk bimetallic catalysts, method of making bulk bimetallic catalysts and hydroprocessing using bulk bimetallic catalysts |
| FR2875419B1 (fr) | 2004-09-22 | 2007-02-23 | Inst Francais Du Petrole | Catalyseur alumino-silicate dope et procede ameliore de traitement de charges hydrocarbonees |
| US8002970B2 (en) * | 2004-12-23 | 2011-08-23 | IFP Energies Nouvelles | Zeolitic catalyst with a controlled doping element content, and improved process for processing hydrocarbon feeds |
| JP4822705B2 (ja) * | 2004-12-24 | 2011-11-24 | 日揮触媒化成株式会社 | 重質炭化水素油の水素化処理触媒組成物およびその製造方法 |
| EP1731588A1 (de) * | 2005-06-08 | 2006-12-13 | Shell Internationale Researchmaatschappij B.V. | Verfahren zur verberrerung von rohöl |
| US20070125684A1 (en) * | 2005-09-14 | 2007-06-07 | Biesmans Martijn H | Hydrocracking Catalyst and Process |
| EP1931466B1 (de) | 2005-09-29 | 2012-11-14 | Basf Se | Formkörper enthaltend ein alumosilikat und aluminiumoxid und verfahren zur kontinuierlichen herstellung von methylaminen |
| US20100133193A1 (en) * | 2007-02-14 | 2010-06-03 | Honeywell International, Inc. | Diesel sulfur filter-nanoadsorber and method of filtering a liquid fuel |
| RU2469789C2 (ru) * | 2007-08-27 | 2012-12-20 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Катализатор гидрирования ароматических углеводородов и способ получения и применения такого катализатора |
| DK2185278T3 (da) * | 2007-08-27 | 2021-04-12 | Shell Int Research | En amorf siliciumdioxid-aluminiumoxid sammensætning og en fremgangsmåde til fremstilling og anvendelse af en sådan sammensætning |
| US7704383B2 (en) * | 2007-10-16 | 2010-04-27 | Honeywell Interational Inc. | Portable fuel desulfurization unit |
| JP4754540B2 (ja) * | 2007-10-24 | 2011-08-24 | Ｊｘ日鉱日石エネルギー株式会社 | 環境対応軽油の製造方法 |
| US8119558B2 (en) * | 2008-03-14 | 2012-02-21 | Süd-Chemie Inc. | Ultra high temperature shift catalyst with low methanation |
| US8637722B2 (en) * | 2008-07-23 | 2014-01-28 | Mitsui Chemicals, Inc. | Ethylene oligomerization catalyst and use thereof |
| CN102438745A (zh) | 2009-04-21 | 2012-05-02 | 阿尔比马尔欧洲有限公司 | 含有磷和硼的氢化处理催化剂 |
| US9187702B2 (en) * | 2009-07-01 | 2015-11-17 | Chevron U.S.A. Inc. | Hydroprocessing catalyst and method of making the same |
| FR2951192B1 (fr) | 2009-10-13 | 2011-12-30 | Inst Francais Du Petrole | Procede de production de distillat moyen a partir de cires fischer tropsch utilisant un catalyseur a base de zeolithe modifiee |
| FR2952380B1 (fr) | 2009-11-10 | 2012-05-18 | Inst Francais Du Petrole | Procede de production de distillat moyen a partir de cires fischer tropsch mettant en oeuvre un catalyseur a base de zeolithe modifiee par un traitement basique |
| CN101797509B (zh) * | 2010-03-26 | 2011-12-21 | 抚顺新瑞催化剂有限公司 | 一种废润滑油全加氢型再生催化剂及其制备方法和应用 |
| KR101162612B1 (ko) | 2011-11-30 | 2012-07-04 | 이엔에프씨 주식회사 | 폐원료로부터의 오일 생성 시스템 및 그 촉매 |
| FR3022157B1 (fr) * | 2014-06-13 | 2017-09-01 | Ifp Energies Now | Catalyseur bimodal a phase active comalaxee, son procede de preparation et son utilisation en hydrotraitement de residus |
| CN104815697A (zh) * | 2015-05-20 | 2015-08-05 | 南开大学 | 一种用于蓖麻油制备生物航空煤油超分散加氢脱氧和加氢异构化催化剂的制备方法 |
| JP6684641B2 (ja) * | 2016-04-26 | 2020-04-22 | 昭和電工株式会社 | 共役ジエン化合物の製造方法及びアリル型不飽和アルコールの脱水触媒 |
| US9956553B2 (en) * | 2016-06-28 | 2018-05-01 | Chevron U.S.A. Inc. | Regeneration of an ionic liquid catalyst by hydrogenation using a macroporous noble metal catalyst |
| US9919293B1 (en) | 2017-07-17 | 2018-03-20 | Kuwait Institute For Scientific Research | Catalyst for mild-hydrocracking of residual oil |
| US11253844B2 (en) | 2018-03-14 | 2022-02-22 | Evonik Operations Gmbh | Oligomerization catalyst and process for the production thereof |
| US10850261B2 (en) | 2018-03-14 | 2020-12-01 | Evonik Operations Gmbh | Oligomerization catalyst and process for the production thereof |
| KR102563207B1 (ko) * | 2018-10-31 | 2023-08-02 | 에스케이이노베이션 주식회사 | 코발트계 단원자 탈수소화 촉매 및 이를 이용하여 파라핀으로부터 대응되는 올레핀을 제조하는 방법 |
| GB201910754D0 (en) * | 2019-07-26 | 2019-09-11 | Lucite Int Uk Ltd | A catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters |
| WO2021133210A1 (ru) * | 2019-12-24 | 2021-07-01 | Акционерное общество "Специальное конструкторско-технологическое бюро "Катализатор" | Катализатор дегидрирования с3-с5 парафиновых углеводородов в стационарном слое и носитель для его получения |
| RU2724048C1 (ru) * | 2019-12-24 | 2020-06-19 | Акционерное общество "Специальное конструкторско-технологическое бюро "Катализатор" | Носитель для катализатора дегидрирования парафиновых углеводородов в стационарном слое на основе активного оксида алюминия |
| CN113830775B (zh) * | 2020-06-23 | 2025-10-17 | 中国石油化工股份有限公司 | 一种硅铝材料、其制备和低生焦高活性重油转化催化裂化催化剂 |
| EP3928864B1 (de) | 2020-06-25 | 2024-11-06 | SK Innovation Co., Ltd. | Verfahren zur herstellung kobaltbasierte einatomige dehydrierungskatalysatoren mit verbesserter thermischer stabilität und von olefinen aus entsprechenden paraffinen |
| US12064750B2 (en) | 2020-09-17 | 2024-08-20 | Sk Innovation Co., Ltd. | Cobalt-based single-atom dehydrogenation catalysts having high selectivity and regenerability and method for producing corresponding olefins from paraffins using the same |
| FR3143622B1 (fr) | 2022-12-16 | 2026-04-10 | Axens | Procédé de traitement d’une charge issue de source renouvelable pour la production d’oléfines biosourcées |
| CN119951544B (zh) * | 2023-11-08 | 2025-11-25 | 中国石油化工股份有限公司 | 一种稠油降粘催化剂的制备方法 |
| FR3161125A1 (fr) | 2024-04-10 | 2025-10-17 | IFP Energies Nouvelles | Procede de production de silice alumine presentant une forte acidite |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1324205A (en) * | 1971-08-17 | 1973-07-25 | Union Oil Co | Hydrogenation process and catalyst |
| JPS5335705A (en) * | 1976-09-14 | 1978-04-03 | Toa Nenryo Kogyo Kk | Hydrogenation and purification of petroleum wax |
| US4174301A (en) * | 1977-08-31 | 1979-11-13 | Nalco Chemical Company | Polycarboxylic acids as extrusion aids for silica-aluminas |
| US4239651A (en) * | 1978-08-21 | 1980-12-16 | Filtrol Corporation | Cracking catalyst and method of producing the same |
| US4242236A (en) * | 1979-03-29 | 1980-12-30 | Chevron Research Company | 65-130 Angstrom mean radius silica-alumina catalyst support |
| US5968348A (en) * | 1994-05-16 | 1999-10-19 | Texaco Inc. | Hydroconversion process employing a phosphorus loaded NiMo catalyst with specified pore size distribution |
| IT1275412B (it) * | 1995-06-01 | 1997-08-05 | Enichem Spa | Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica |
| EA001407B1 (ru) * | 1996-07-15 | 2001-02-26 | Шеврон Ю.Эс.Эй. Инк. | Способ облагораживания смазочного масла |
| CN1096296C (zh) * | 1998-11-13 | 2002-12-18 | 中国石油化工集团公司 | 一种生产中间馏分油的加氢裂化催化剂及其制备 |
| US6534441B1 (en) * | 1999-03-06 | 2003-03-18 | Union Carbide Chemicals & Plastics Technology Corporation | Nickel-rhenium catalyst for use in reductive amination processes |
-
2001
- 2001-01-15 FR FR0100470A patent/FR2819430B1/fr not_active Expired - Lifetime
-
2002
- 2002-01-14 KR KR1020037009408A patent/KR100837195B1/ko not_active Expired - Fee Related
- 2002-01-14 JP JP2002555915A patent/JP2004535268A/ja active Pending
- 2002-01-14 AT AT02711947T patent/ATE510617T1/de not_active IP Right Cessation
- 2002-01-14 EP EP02711947A patent/EP1353747B1/de not_active Expired - Lifetime
- 2002-01-14 WO PCT/FR2002/000119 patent/WO2002055192A1/fr not_active Ceased
- 2002-01-14 DK DK02711947.8T patent/DK1353747T3/da active
- 2002-01-15 US US10/045,678 patent/US6733657B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DK1353747T3 (da) | 2011-09-19 |
| WO2002055192A1 (fr) | 2002-07-18 |
| KR20030071818A (ko) | 2003-09-06 |
| FR2819430A1 (fr) | 2002-07-19 |
| KR100837195B1 (ko) | 2008-06-13 |
| EP1353747A1 (de) | 2003-10-22 |
| US20020160911A1 (en) | 2002-10-31 |
| EP1353747B1 (de) | 2011-05-25 |
| JP2004535268A (ja) | 2004-11-25 |
| FR2819430B1 (fr) | 2003-02-28 |
| US6733657B2 (en) | 2004-05-11 |
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