CA2268055C - Procede de production d'une composition detergente sans l'utilisation d'une tour - Google Patents

Procede de production d'une composition detergente sans l'utilisation d'une tour Download PDF

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Publication number
CA2268055C
CA2268055C CA002268055A CA2268055A CA2268055C CA 2268055 C CA2268055 C CA 2268055C CA 002268055 A CA002268055 A CA 002268055A CA 2268055 A CA2268055 A CA 2268055A CA 2268055 C CA2268055 C CA 2268055C
Authority
CA
Canada
Prior art keywords
mixer
surfactant
agglomerates
detergent
process according
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 - Fee Related
Application number
CA002268055A
Other languages
English (en)
Other versions
CA2268055A1 (fr
Inventor
Angela Gloria Del Greco
Wayne Edward Beimesch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of CA2268055A1 publication Critical patent/CA2268055A1/fr
Application granted granted Critical
Publication of CA2268055C publication Critical patent/CA2268055C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/0082—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
    • C11D11/0088—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads the liquefied ingredients being sprayed or adsorbed onto solid particles
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/0082—Special methods for preparing compositions containing mixtures of detergents one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/02—Preparation in the form of powder by spray drying
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
    • C11D17/065—High-density particulate detergent compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/146—Sulfuric acid esters
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/29—Sulfates of polyoxyalkylene ethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

Cette invention se rapporte à un procédé n'utilisant pas de tour et servant à préparer en continu une composition détergente granulaire ayant une densité d'au moins 600 g/l environ. Ce procédé consiste: (a) à disperser un tensioactif et revêtir ce tensioactif d'une fine poudre ayant un diamètre compris entre 0,1 et 500 microns, dans un mélangeur: et (b) à réduire ces agglomérats en granulés dans un ou plusieurs appareils de fluidisation. Ce procédé peut également comprendre une phase (a') qui consiste à vaporiser un liquide finement atomisé sur les premiers agglomérats dans un mélangeur, cette étape se situant entre l'étape (a) et l'étape (b).
CA002268055A 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour Expired - Fee Related CA2268055C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
WOPCT/US96/15881 1996-10-04
PCT/US1996/015881 WO1998014549A1 (fr) 1996-10-04 1996-10-04 Procede de production d'une composition de detergent de faible densite par un processus sans colonne
PCT/US1997/009789 WO1998014551A1 (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour

Publications (2)

Publication Number Publication Date
CA2268055A1 CA2268055A1 (fr) 1998-04-09
CA2268055C true CA2268055C (fr) 2004-02-03

Family

ID=22255901

Family Applications (9)

Application Number Title Priority Date Filing Date
CA002267291A Expired - Fee Related CA2267291C (fr) 1996-10-04 1996-10-04 Procede de production d'une composition de detergent de faible densite par un processus sans colonne
CA002268062A Expired - Fee Related CA2268062C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour
CA002268060A Expired - Fee Related CA2268060C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour
CA002268068A Expired - Fee Related CA2268068C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour
CA002268063A Expired - Fee Related CA2268063C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour
CA002268067A Expired - Fee Related CA2268067C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour
CA002268055A Expired - Fee Related CA2268055C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour
CA002267424A Expired - Fee Related CA2267424C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour
CA002268052A Expired - Fee Related CA2268052C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour

Family Applications Before (6)

Application Number Title Priority Date Filing Date
CA002267291A Expired - Fee Related CA2267291C (fr) 1996-10-04 1996-10-04 Procede de production d'une composition de detergent de faible densite par un processus sans colonne
CA002268062A Expired - Fee Related CA2268062C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour
CA002268060A Expired - Fee Related CA2268060C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour
CA002268068A Expired - Fee Related CA2268068C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour
CA002268063A Expired - Fee Related CA2268063C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour
CA002268067A Expired - Fee Related CA2268067C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour

Family Applications After (2)

Application Number Title Priority Date Filing Date
CA002267424A Expired - Fee Related CA2267424C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour
CA002268052A Expired - Fee Related CA2268052C (fr) 1996-10-04 1997-06-05 Procede de production d'une composition detergente sans l'utilisation d'une tour

Country Status (12)

Country Link
EP (9) EP0929645A1 (fr)
JP (9) JP3305327B2 (fr)
CN (8) CN1133738C (fr)
AR (6) AR010510A1 (fr)
AT (5) ATE223476T1 (fr)
AU (9) AU7388196A (fr)
BR (7) BR9612732A (fr)
CA (9) CA2267291C (fr)
DE (5) DE69721287T2 (fr)
ES (5) ES2193386T3 (fr)
MX (2) MX219077B (fr)
WO (9) WO1998014549A1 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996031510A1 (fr) * 1995-04-03 1996-10-10 Novartis Ag Derives de pyrazole et leurs procedes de preparation
GB9526097D0 (en) * 1995-12-20 1996-02-21 Unilever Plc Process
GB9712580D0 (en) * 1997-06-16 1997-08-20 Unilever Plc Production of detergent granulates
GB9712583D0 (en) 1997-06-16 1997-08-20 Unilever Plc Production of detergent granulates
GB9713748D0 (en) * 1997-06-27 1997-09-03 Unilever Plc Production of detergent granulates
US6355606B1 (en) 1997-07-14 2002-03-12 The Procter & Gamble Company Process for making a low density detergent composition by controlled agglomeration in a fluid bed dryer
CN1192091C (zh) 1997-07-14 2005-03-09 普罗格特-甘布尔公司 通过控制附聚颗粒大小制备低密度洗涤剂组合物的方法
EP1002044B1 (fr) 1997-07-15 2004-05-06 The Procter & Gamble Company Procede de production d'agglomerats detergents fortement actifs par injection d'une pate tensioactive en plusieurs etapes
US6440342B1 (en) 1998-07-08 2002-08-27 The Procter & Gamble Company Process for making a low density detergent composition by controlling nozzle height in a fluid bed dryer
US6492319B1 (en) 1998-08-20 2002-12-10 The Procter & Gamble Company High density detergent-making process involving a moderate speed mixer/densifier
US6794354B1 (en) * 1998-09-18 2004-09-21 The Procter & Gamble Company Continuous process for making detergent composition
CA2346926A1 (fr) * 1998-10-26 2000-05-04 Christopher Andrew Morrison Procedes de preparation d'une composition detergente granuleuse avec une apparence et une solubilite ameliorees
GB9825558D0 (en) * 1998-11-20 1999-01-13 Unilever Plc Granular detergent components and particulate detergent compositions containing them
GB9913546D0 (en) 1999-06-10 1999-08-11 Unilever Plc Granular detergent component containing zeolite map and laundry detergent compositions containing it
EP1187904B1 (fr) * 1999-06-21 2004-08-11 The Procter & Gamble Company Procede de fabrication d'une composition granulaire detergente
US6894018B1 (en) 1999-06-21 2005-05-17 The Procter & Gamble Company Process for making granular detergent in a fluidized bed granulator having recycling of improperly sized particles
GB0009877D0 (en) † 2000-04-20 2000-06-07 Unilever Plc Granular detergent component and process for its preparation
EP2123742A1 (fr) 2008-05-14 2009-11-25 The Procter and Gamble Company Compositions de détergent solide pour lessive comprenant du sel de silicate à faible densité
WO2011061045A1 (fr) 2009-11-20 2011-05-26 Unilever Nv Granulé de détergent et son procédé de fabrication
CN114774206A (zh) 2014-04-10 2022-07-22 宝洁公司 复合洗涤剂颗粒和包含复合洗涤剂颗粒的衣物洗涤组合物
WO2019148090A1 (fr) 2018-01-26 2019-08-01 Ecolab Usa Inc. Solidification de tensioactifs liquides d'oxyde d'amine, de bétaïne et/ou de sultaïne ayant un véhicule
JP7485606B2 (ja) * 2018-01-26 2024-05-16 エコラボ ユーエスエー インコーポレイティド 液体アニオン性界面活性剤の固化
EP3743494A1 (fr) 2018-01-26 2020-12-02 Ecolab Usa Inc. Solidification de tensioactifs d'oxyde d'amine, de bétaïne et/ou de sultaïne liquide à l'aide d'un liant et d'un éventuel un vecteur

Family Cites Families (15)

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US3625902A (en) * 1968-10-11 1971-12-07 Stauffer Chemical Co Method of preparing agglomerated detergent composition
US4169806A (en) * 1978-08-09 1979-10-02 The Procter & Gamble Company Agglomeration process for making granular detergents
US4992079A (en) * 1986-11-07 1991-02-12 Fmc Corporation Process for preparing a nonphosphate laundry detergent
GB2209172A (en) * 1987-08-28 1989-05-04 Unilever Plc Preparation of solid particulate components for detergents
KR0170424B1 (ko) * 1990-07-05 1999-01-15 호르스트 헤를레,요한 글라슬 세제 및 청정제용 표면 활성제 과립의 제조방법
CA2096255C (fr) * 1990-11-14 1998-01-20 Jeffrey D. Painter Compositions pour detersifs pour lave-vaisselle sans phosphate avec agent de blanchiment a l'oxygene et procede de preparation
EP0555622B1 (fr) * 1992-02-14 1997-07-09 The Procter & Gamble Company Procédé pour la production de granules de détergent par neutralisation des acides sulfoniques
DE69332270T3 (de) * 1992-06-15 2006-08-17 The Procter & Gamble Company, Cincinnati Verfahren zum herstellen von kompakten waschmittelzusammensetzungen
DE69227311T2 (de) * 1992-07-15 1999-06-02 The Procter & Gamble Co., Cincinnati, Ohio Waschmittelzusammensetzungen
CA2173108A1 (fr) * 1993-10-15 1995-04-20 Scott William Capeci Procede continu pour produire un detergent granulaire a haute densite
GB9322530D0 (en) * 1993-11-02 1993-12-22 Unilever Plc Process for the production of a detergent composition
PT663439E (pt) * 1994-01-17 2000-12-29 Procter & Gamble Processo para a preparacao de granulos de detergente
US5489392A (en) * 1994-09-20 1996-02-06 The Procter & Gamble Company Process for making a high density detergent composition in a single mixer/densifier with selected recycle streams for improved agglomerate properties
US5516448A (en) * 1994-09-20 1996-05-14 The Procter & Gamble Company Process for making a high density detergent composition which includes selected recycle streams for improved agglomerate
US5554587A (en) * 1995-08-15 1996-09-10 The Procter & Gamble Company Process for making high density detergent composition using conditioned air

Also Published As

Publication number Publication date
ES2178778T3 (es) 2003-01-01
CA2268055A1 (fr) 1998-04-09
ES2201305T3 (es) 2004-03-16
AU3478397A (en) 1998-04-24
JP3299984B2 (ja) 2002-07-08
CN1156562C (zh) 2004-07-07
CN1133738C (zh) 2004-01-07
DE69726440D1 (de) 2004-01-08
WO1998014558A1 (fr) 1998-04-09
CA2268063A1 (fr) 1998-04-09
AR010507A1 (es) 2000-06-28
CN1239991A (zh) 1999-12-29
JP2000503721A (ja) 2000-03-28
BR9713249A (pt) 1999-11-03
AU3478297A (en) 1998-04-24
AR010509A1 (es) 2000-06-28
DE69721287D1 (de) 2003-05-28
JP2000503719A (ja) 2000-03-28
WO1998014557A1 (fr) 1998-04-09
WO1998014554A1 (fr) 1998-04-09
CN1239994A (zh) 1999-12-29
DE69721287T2 (de) 2004-03-11
DE69726440T2 (de) 2004-09-09
EP0929648A1 (fr) 1999-07-21
AR010511A1 (es) 2000-06-28
DE69726439D1 (de) 2004-01-08
JP2000504062A (ja) 2000-04-04
EP0929655A1 (fr) 1999-07-21
JP3345022B2 (ja) 2002-11-18
MX219077B (en) 2004-02-10
AU3303197A (en) 1998-04-24
CN1239506A (zh) 1999-12-22
CN1133739C (zh) 2004-01-07
JP3299985B2 (ja) 2002-07-08
BR9712492A (pt) 1999-10-19
CA2268052A1 (fr) 1998-04-09
BR9712490A (pt) 1999-10-19
EP0929648B1 (fr) 2002-09-04
CA2268062C (fr) 2002-11-12
AU3478497A (en) 1998-04-24
EP0929652A1 (fr) 1999-07-21
BR9711861A (pt) 1999-08-24
CA2268060A1 (fr) 1998-04-09
ATE223476T1 (de) 2002-09-15
JP3299982B2 (ja) 2002-07-08
WO1998014549A1 (fr) 1998-04-09
BR9612732A (pt) 1999-08-24
CA2268052C (fr) 2003-12-30
CA2268067A1 (fr) 1998-04-09
JP2000507632A (ja) 2000-06-20
AU3568397A (en) 1998-04-24
ATE255159T1 (de) 2003-12-15
EP0929654A1 (fr) 1999-07-21
EP0929649A1 (fr) 1999-07-21
JP2000503715A (ja) 2000-03-28
CN1156561C (zh) 2004-07-07
CA2268063C (fr) 2002-10-29
JP3299981B2 (ja) 2002-07-08
AU3378597A (en) 1998-04-24
CA2267424A1 (fr) 1998-04-09
CN1239507A (zh) 1999-12-22
AR010510A1 (es) 2000-06-28
CA2268068A1 (fr) 1998-04-09
EP0929653A1 (fr) 1999-07-21
CA2267424C (fr) 2004-01-06
DE69723986T2 (de) 2004-06-03
BR9711865A (pt) 1999-08-24
CA2268062A1 (fr) 1998-04-09
ES2193386T3 (es) 2003-11-01
CN1239508A (zh) 1999-12-22
JP2000503720A (ja) 2000-03-28
JP3299987B2 (ja) 2002-07-08
AR010508A1 (es) 2000-06-28
CA2268068C (fr) 2003-06-03
ES2210544T3 (es) 2004-07-01
JP2000503717A (ja) 2000-03-28
CA2268067C (fr) 2004-01-06
CN1239993A (zh) 1999-12-29
CN1239995A (zh) 1999-12-29
DE69726439T2 (de) 2004-09-09
WO1998014553A1 (fr) 1998-04-09
ATE255160T1 (de) 2003-12-15
JP3299986B2 (ja) 2002-07-08
WO1998014552A1 (fr) 1998-04-09
EP0929649B1 (fr) 2003-11-26
EP0929645A1 (fr) 1999-07-21
ATE246726T1 (de) 2003-08-15
EP0929650A1 (fr) 1999-07-21
MX9903193A (en) 2000-01-31
AR010729A1 (es) 2000-07-12
CN1156563C (zh) 2004-07-07
AU3478597A (en) 1998-04-24
DE69723986D1 (de) 2003-09-11
ATE238409T1 (de) 2003-05-15
WO1998014556A1 (fr) 1998-04-09
CA2267291A1 (fr) 1998-04-09
CA2268060C (fr) 2003-04-22
ES2212109T3 (es) 2004-07-16
JP2000503716A (ja) 2000-03-28
MX9903195A (en) 1999-09-30
AU7388196A (en) 1998-04-24
BR9713246A (pt) 1999-11-03
EP0929653B1 (fr) 2003-04-23
DE69715224T2 (de) 2003-08-07
EP0929650B1 (fr) 2003-08-06
JP3305327B2 (ja) 2002-07-22
AU3303097A (en) 1998-04-24
CN1156560C (zh) 2004-07-07
MX219076B (en) 2004-02-10
JP2000503718A (ja) 2000-03-28
DE69715224D1 (de) 2002-10-10
CA2267291C (fr) 2002-12-10
WO1998014551A1 (fr) 1998-04-09
EP0929651A1 (fr) 1999-07-21
WO1998014555A1 (fr) 1998-04-09
JP3299983B2 (ja) 2002-07-08
CN1239992A (zh) 1999-12-29
EP0929651B1 (fr) 2003-11-26

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