ES2074149T3 - Procedimiento para la filtracion y depuracion de agua. - Google Patents
Procedimiento para la filtracion y depuracion de agua.Info
- Publication number
- ES2074149T3 ES2074149T3 ES90460047T ES90460047T ES2074149T3 ES 2074149 T3 ES2074149 T3 ES 2074149T3 ES 90460047 T ES90460047 T ES 90460047T ES 90460047 T ES90460047 T ES 90460047T ES 2074149 T3 ES2074149 T3 ES 2074149T3
- Authority
- ES
- Spain
- Prior art keywords
- membrane
- filtration
- liquid
- loop
- depuration
- 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.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/08—Prevention of membrane fouling or of concentration polarisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/16—Feed pretreatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/168—Use of other chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/18—Use of gases
- B01D2321/185—Aeration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Water Treatment By Sorption (AREA)
Abstract
ESTA INVENCION ESTA DENTRO DEL AMBITO DE LAS INSTALACIONES DE FILTRACION Y DE DEPURACION DE LIQUIDOS, ESPECIALMENTE LAS AGUAS, DEL TIPO QUE COMPRENDE UN BUCLE DE CIRCULACION DE LAS AGUAS QUE HAY QUE TRATAR INCLUYENDO AL MENOS UNA MEMBRANA DE FILTRACION TANGENCIAL. LA INVENCION TIENE POR OBJETO PROVEER UNA NUEVA INSTALACION DE FILTRACION DE MEMBRANA TANGENCIAL CON INYECCION DE OZONO, QUE PERMITE LIMITAR LA COLMATACION DE SUPERFICIE, INTERNO Y QUIMICO DE LA MEMBRANA. SEGUN LA INVENCION, LA INSTALACION COMPRENDE UNOS MEDIOS (2) DE ADICION DE UN GAS OXIDANTE AL LIQUIDO QUE HAY QUE TRATAR, EN EL BUCLE MAS ARRIBA DE LA MEMBRANA DE MANERA A FORMAR UNAS MICROPOMPAS DE DICHO GAS DE UN TAMAÑO TAL QUE CREEN UNAS TURBULENCIAS EN EL LIQUIDO AL DERECHO DE LA MEMBRANA QUE, ACOPLADAS AL FENOMENO DE OXIDACION LIMITEN EL COLMATADO DE DICHA MEMBRANA (1) Y LLEVEN A LA MEJORA DEL CAUDAL Y DE LAS CUALIDADES FISICOQUIMICAS DEL FILTRADO. DADO EL CASO, COMPRENDE UNOS MEDIOS (10) DE INYECCION DE REACTIVOS QUIMICOS Y/O DE ADSORBENTES EN EL BUCLE DE FILTRACION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8916527A FR2655642B1 (fr) | 1989-12-11 | 1989-12-11 | Installation de traitement des eaux par une boucle de filtration tangentielle. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2074149T3 true ES2074149T3 (es) | 1995-09-01 |
Family
ID=9388487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90460047T Expired - Lifetime ES2074149T3 (es) | 1989-12-11 | 1990-12-07 | Procedimiento para la filtracion y depuracion de agua. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5271830A (es) |
EP (1) | EP0433200B1 (es) |
JP (1) | JP2570496B2 (es) |
CA (1) | CA2031997C (es) |
DE (1) | DE69019690T2 (es) |
DK (1) | DK0433200T3 (es) |
ES (1) | ES2074149T3 (es) |
FR (1) | FR2655642B1 (es) |
Families Citing this family (78)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2662684B1 (fr) * | 1990-05-30 | 1992-08-14 | Lyonnaise Eaux | Procede d'elimination de metaux dissous dans de l'eau. |
FR2697446B1 (fr) * | 1992-11-03 | 1994-12-02 | Aquasource | Procédé de traitement d'un fluide contenant des matières en suspension et en solution, par utilisation de membranes de séparation. |
AT397647B (de) * | 1992-09-18 | 1994-05-25 | Fiedler Johann | Anlage zur reinigung von waschwasser, insbesondere bei fahrzeugwaschanlagen |
JP2947314B2 (ja) * | 1992-12-24 | 1999-09-13 | 株式会社クボタ | 吸着・反応装置 |
JP3107950B2 (ja) * | 1993-07-07 | 2000-11-13 | オルガノ株式会社 | 生物処理装置、及び同装置を用いた水処理方法 |
GB9314537D0 (en) * | 1993-07-14 | 1993-08-25 | Gore W L & Ass Uk | Purification apparatus |
FR2713220B1 (fr) * | 1993-11-30 | 1996-03-08 | Omnium Traitement Valorisa | Installation de potabilisation de l'eau à membranes filtrantes immergées. |
FR2715395B1 (fr) * | 1994-01-26 | 1997-02-07 | Anjou Rech | Unite de traitement d'eau par ozonation, et installation de production d'eau ozonee correspondante |
DE4434753A1 (de) * | 1994-09-29 | 1996-04-04 | Wedeco Umwelttechnologie Wasser Boden Luft Gmbh | Verfahren und Anlage zum biologischen Abbau von Schadstoffen in wäßrigen Flüssigkeiten |
CH690265A5 (de) * | 1995-05-16 | 2000-06-30 | Bucher Guyer Ag | Querstrom-Filtrationsverfahren zum Abtrennen von Flüssigkeit aus einem fliessfähigen Medium, sowie Anlage zu dessen Durchführung. |
GB9515438D0 (en) * | 1995-07-27 | 1995-09-27 | Isis Innovation | Membrane filtration apparatus |
EP0855212B1 (en) | 1995-09-21 | 2006-11-15 | Asahi Kasei Kabushiki Kaisha | Hollow fiber membrane module |
AUPO218296A0 (en) * | 1996-09-06 | 1996-10-03 | Unisearch Limited | A process and apparatus for treating waste water |
CA2639642C (en) | 1996-12-20 | 2013-01-15 | Siemens Water Technologies Corp. | Scouring method |
NL1006753C2 (nl) * | 1997-08-08 | 1999-02-09 | Waterleiding Friesland Nv | Werkwijze voor het met behulp van een membraanfiltratie-eenheid ontkleuren van vloeistoffen, in het bijzonder grondwater, inrichting om te worden toegepast bij een dergelijke werkwijze, alsmede ontkleurd grondwater. |
GB2360958B (en) * | 1997-09-10 | 2002-01-30 | Sartorius Gmbh | Tangential flow filtration system |
EP1115474A4 (en) * | 1998-09-25 | 2005-03-30 | Us Filter Wastewater Group Inc | DEVICE AND METHOD FOR CLEANING MEMBRANE FILTER MODULES |
TWI222895B (en) * | 1998-09-25 | 2004-11-01 | Usf Filtration & Separations | Apparatus and method for cleaning membrane filtration modules |
CN1135206C (zh) * | 1998-11-05 | 2004-01-21 | 旭化成株式会社 | 水处理方法 |
NL1010544C2 (nl) * | 1998-11-13 | 2000-05-16 | Stork Friesland Bv | Werkwijze en inrichting voor het met behulp van membraanfiltratie uit een vloeistof verwijderen van zwevende stoffen en zouten. |
FR2788054B1 (fr) * | 1999-01-06 | 2001-03-16 | Anjou Rech | Procede et installation pour abattre la teneur en c.o.t et eliminer de facon poussee les composes organiques genants des eaux telles que les eaux de rincage industrielles en vue de leur recyclage |
IL148067A0 (en) * | 1999-08-07 | 2002-09-12 | Brooks Gerald L | An apparatus and method for improving an osmosis process |
FR2801809B1 (fr) * | 1999-12-03 | 2002-02-22 | Degremont | Procede de filtration membranaire de liquides et dispositif de mise en oeuvre dudit procede |
EP1254698B1 (en) * | 2000-01-12 | 2010-09-08 | Sekisui Chemical Co., Ltd. | Ozone treating apparatus |
AUPQ680100A0 (en) | 2000-04-10 | 2000-05-11 | Usf Filtration And Separations Group Inc. | Hollow fibre restraining system |
CA2322991A1 (en) * | 2000-10-06 | 2002-04-06 | Fantom Technologies Inc. | Continuous water cycle water treatment apparatus |
US6752926B2 (en) * | 2000-10-20 | 2004-06-22 | Trustees Of Stevens Institute Of Technology | Method and apparatus for treatment of wastewater |
AUPR421501A0 (en) | 2001-04-04 | 2001-05-03 | U.S. Filter Wastewater Group, Inc. | Potting method |
AUPR692401A0 (en) | 2001-08-09 | 2001-08-30 | U.S. Filter Wastewater Group, Inc. | Method of cleaning membrane modules |
AUPS300602A0 (en) | 2002-06-18 | 2002-07-11 | U.S. Filter Wastewater Group, Inc. | Methods of minimising the effect of integrity loss in hollow fibre membrane modules |
US6755977B2 (en) * | 2002-06-19 | 2004-06-29 | Dennis A. Brunsell | Method in treating aqueous waste feedstream for improving the flux rates, cleaning and the useful life of filter media |
AU2002950934A0 (en) * | 2002-08-21 | 2002-09-12 | U. S. Filter Wastewater Group, Inc. | Aeration method |
CA2501628C (en) | 2002-10-10 | 2012-12-04 | U.S. Filter Wastewater Group, Inc. | A filtration and backwashing arrangement for membrane modules |
AU2002953111A0 (en) | 2002-12-05 | 2002-12-19 | U. S. Filter Wastewater Group, Inc. | Mixing chamber |
JP4611982B2 (ja) | 2003-08-29 | 2011-01-12 | シーメンス・ウォーター・テクノロジーズ・コーポレーション | 逆洗方法 |
EP1687078B1 (en) | 2003-11-14 | 2012-03-14 | Siemens Industry, Inc. | Improved module cleaning method |
WO2005092799A1 (en) | 2004-03-26 | 2005-10-06 | U.S. Filter Wastewater Group, Inc. | Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis |
EP1747058A4 (en) | 2004-04-22 | 2009-09-30 | Siemens Water Tech Corp | FILTRATION APPARATUS COMPRISING A MEMBRANE BIOREACTOR AND A TREATMENT TANK FOR THE DIGESTION OF ORGANIC MATERIALS |
US7175760B2 (en) * | 2004-07-07 | 2007-02-13 | Innowave, Inc. | Water dispensing apparatus with water recirculation line |
NZ588094A (en) | 2004-08-20 | 2012-04-27 | Siemens Water Tech Corp | Potting head for hollow fibre filter module |
WO2006026814A1 (en) | 2004-09-07 | 2006-03-16 | Siemens Water Technologies Corp. | Reduction of backwash liquid waste |
EP1799334B1 (en) | 2004-09-14 | 2013-12-11 | Siemens Water Technologies LLC | Methods and apparatus for removing solids from a membrane module |
JP4954880B2 (ja) | 2004-09-15 | 2012-06-20 | シーメンス・ウォーター・テクノロジーズ・コーポレーション | 連続的に変化する通気 |
SG150505A1 (en) | 2004-12-24 | 2009-03-30 | Siemens Water Tech Corp | Cleaning in membrane filtration systems |
NZ555987A (en) | 2004-12-24 | 2009-08-28 | Siemens Water Tech Corp | Simple gas scouring method and apparatus |
EP1695939A1 (en) * | 2005-02-25 | 2006-08-30 | HomeFlow Switzerland Distribution SA | A device and a method for purifying a liquid with ozone and recirculation |
EP1695940A1 (en) * | 2005-02-25 | 2006-08-30 | HomeFlow Switzerland Distribution SA | A device and a method for purifying a liquid with ozone and recirculation |
WO2006116797A1 (en) | 2005-04-29 | 2006-11-09 | Siemens Water Technologies Corp. | Chemical clean for membrane filter |
CN101287538B (zh) | 2005-08-22 | 2013-03-06 | 西门子工业公司 | 使用歧管以减少回洗的水过滤装置 |
US20070138090A1 (en) | 2005-10-05 | 2007-06-21 | Jordan Edward J | Method and apparatus for treating wastewater |
US8293098B2 (en) | 2006-10-24 | 2012-10-23 | Siemens Industry, Inc. | Infiltration/inflow control for membrane bioreactor |
EP2129629A1 (en) | 2007-04-02 | 2009-12-09 | Siemens Water Technologies Corp. | Improved infiltration/inflow control for membrane bioreactor |
US9764288B2 (en) | 2007-04-04 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane module protection |
ES2384694T3 (es) | 2007-05-29 | 2012-07-11 | Siemens Industry, Inc. | Limpieza de membranas con bomba impulsada por aire |
US20090032471A1 (en) * | 2007-07-30 | 2009-02-05 | Applied Process Technology, Inc. | Innovative treatment technologies for reclaimed water |
CA2607713C (en) * | 2007-11-14 | 2009-05-26 | Dagua Inc. | Water treatment apparatus |
CN102112213B (zh) | 2008-07-24 | 2016-08-03 | 伊沃夸水处理技术有限责任公司 | 用于膜过滤模块的框架*** |
AU2009282912B2 (en) | 2008-08-20 | 2014-11-27 | Evoqua Water Technologies Llc | Improved membrane system backwash energy efficiency |
US7988859B2 (en) * | 2009-02-05 | 2011-08-02 | Chromatan Inc. | Countercurrent tangential chromatography methods, systems, and apparatus |
ITRM20090272A1 (it) * | 2009-05-29 | 2010-11-30 | Danilo Casalini | Impianto per la depurazione delle acque. |
AU2010257526A1 (en) | 2009-06-11 | 2012-01-12 | Siemens Industry, Inc | Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane |
US20110197828A1 (en) * | 2010-02-15 | 2011-08-18 | Zoran Iskrenovic | Power Generation Using Water Pressure |
WO2011136888A1 (en) | 2010-04-30 | 2011-11-03 | Siemens Industry, Inc | Fluid flow distribution device |
AU2011305377B2 (en) | 2010-09-24 | 2014-11-20 | Evoqua Water Technologies Llc | Fluid control manifold for membrane filtration system |
AU2013200833B2 (en) | 2011-09-30 | 2015-09-17 | Evoqua Water Technologies Llc | Improved manifold arrangement |
WO2013049109A1 (en) | 2011-09-30 | 2013-04-04 | Siemens Industry, Inc. | Isolation valve |
EP2866922B1 (en) | 2012-06-28 | 2018-03-07 | Evoqua Water Technologies LLC | A potting method |
WO2014052071A1 (en) | 2012-09-26 | 2014-04-03 | Evoqua Water Technologies Llc | Membrane securement device |
AU2013231145B2 (en) | 2012-09-26 | 2017-08-17 | Evoqua Water Technologies Llc | Membrane potting methods |
AU2013101765A4 (en) | 2012-09-27 | 2016-10-13 | Evoqua Water Technologies Llc | Gas Scouring Apparatus for Immersed Membranes |
US20140238936A1 (en) * | 2013-02-28 | 2014-08-28 | Genesys International Limited | Reverse osmosis and nanofiltration membrane cleaning |
US10427102B2 (en) | 2013-10-02 | 2019-10-01 | Evoqua Water Technologies Llc | Method and device for repairing a membrane filtration module |
WO2017011068A1 (en) | 2015-07-14 | 2017-01-19 | Evoqua Water Technologies Llc | Aeration device for filtration system |
CA3060163C (en) * | 2017-04-24 | 2023-06-20 | Metawater Co., Ltd. | Method of removing soluble manganese |
CN108033623A (zh) * | 2017-12-15 | 2018-05-15 | 郑州艾莫弗信息技术有限公司 | 一种环保污水曝气压滤处理装置 |
CN109046031B (zh) * | 2018-09-04 | 2021-07-23 | 许昌学院 | 反渗透膜组件的清洗方法及清洗*** |
WO2020073075A1 (en) * | 2018-10-10 | 2020-04-16 | Wellkleen Pty Ltd | Sterilisation device |
CN112717696A (zh) * | 2020-12-16 | 2021-04-30 | 艾克飞膜材(嘉兴)有限公司 | 一种采用微泡臭氧进行清洗的超滤膜***及其清洗方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3992301A (en) * | 1973-11-19 | 1976-11-16 | Raypak, Inc. | Automatic flushing system for membrane separation machines such as reverse osmosis machines |
JPS5615924B2 (es) * | 1974-02-07 | 1981-04-13 | ||
JPS6030927B2 (ja) * | 1975-09-23 | 1985-07-19 | シチズン時計株式会社 | エレクトロクロミツク表示装置 |
US4021347A (en) * | 1976-01-09 | 1977-05-03 | Teller Ray E | Sewage treatment system |
JPS6041340B2 (ja) * | 1976-07-06 | 1985-09-17 | 富士写真フイルム株式会社 | ホトマスクの製造方法 |
FR2389400B1 (es) * | 1977-05-05 | 1982-01-08 | Seri | |
JPS5687402A (en) * | 1979-12-14 | 1981-07-16 | Ebara Infilco Co Ltd | Membrane separation method |
FR2543012B1 (es) * | 1983-03-24 | 1987-08-28 | Lyonnaise Eaux Eclairage | |
GB8415887D0 (en) * | 1984-06-21 | 1984-07-25 | Atomic Energy Authority Uk | Membrane cleaning |
US4734207A (en) * | 1985-09-13 | 1988-03-29 | Ausimont S.P.A. | Purification of oils containing solid matters in suspension |
JPS6342703A (ja) * | 1986-08-11 | 1988-02-23 | Toshiba Corp | 中空糸膜の再生方法 |
JPH0785797B2 (ja) * | 1987-06-25 | 1995-09-20 | オルガノ株式会社 | 復水濾過装置 |
US4894149A (en) * | 1988-09-16 | 1990-01-16 | Block Steven J | Biological filtration device |
US5114576A (en) * | 1990-02-15 | 1992-05-19 | Trineos | Prevention of contaminants buildup in captured and recirculated water systems |
-
1989
- 1989-12-11 FR FR8916527A patent/FR2655642B1/fr not_active Expired - Fee Related
-
1990
- 1990-12-07 ES ES90460047T patent/ES2074149T3/es not_active Expired - Lifetime
- 1990-12-07 DE DE69019690T patent/DE69019690T2/de not_active Expired - Fee Related
- 1990-12-07 DK DK90460047.5T patent/DK0433200T3/da active
- 1990-12-07 EP EP90460047A patent/EP0433200B1/fr not_active Expired - Lifetime
- 1990-12-10 US US07/624,726 patent/US5271830A/en not_active Expired - Lifetime
- 1990-12-11 CA CA002031997A patent/CA2031997C/en not_active Expired - Lifetime
- 1990-12-11 JP JP2409725A patent/JP2570496B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH04108518A (ja) | 1992-04-09 |
EP0433200A1 (fr) | 1991-06-19 |
DK0433200T3 (da) | 1995-10-09 |
CA2031997C (en) | 1997-05-27 |
FR2655642B1 (fr) | 1992-02-28 |
DE69019690T2 (de) | 1996-01-04 |
EP0433200B1 (fr) | 1995-05-24 |
CA2031997A1 (en) | 1991-06-12 |
US5271830A (en) | 1993-12-21 |
DE69019690D1 (de) | 1995-06-29 |
FR2655642A1 (fr) | 1991-06-14 |
JP2570496B2 (ja) | 1997-01-08 |
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