WO2001097734A3 - Absorbent articles with an improved ventilation - Google Patents

Absorbent articles with an improved ventilation Download PDF

Info

Publication number
WO2001097734A3
WO2001097734A3 PCT/US2000/017084 US0017084W WO0197734A3 WO 2001097734 A3 WO2001097734 A3 WO 2001097734A3 US 0017084 W US0017084 W US 0017084W WO 0197734 A3 WO0197734 A3 WO 0197734A3
Authority
WO
WIPO (PCT)
Prior art keywords
region
absorbent articles
acquisition
improved ventilation
liquid storage
Prior art date
Application number
PCT/US2000/017084
Other languages
French (fr)
Other versions
WO2001097734A2 (en
Inventor
Cornelia Sprengard-Eichel
Matthias Konrad Hippe
Bruno Johannes Ehrnsperger
Mattias Schmidt
Original Assignee
Procter & Gamble
Sprengard Eichel Cornelia
Matthias Konrad Hippe
Bruno Johannes Ehrnsperger
Mattias Schmidt
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 & Gamble, Sprengard Eichel Cornelia, Matthias Konrad Hippe, Bruno Johannes Ehrnsperger, Mattias Schmidt filed Critical Procter & Gamble
Priority to CA2672562A priority Critical patent/CA2672562C/en
Priority to AU2000258819A priority patent/AU2000258819A1/en
Priority to EP00944774A priority patent/EP1294333A2/en
Priority to MXPA02012873A priority patent/MXPA02012873A/en
Priority to JP2002503212A priority patent/JP2003535648A/en
Priority to CA002412442A priority patent/CA2412442C/en
Priority to PCT/US2000/017084 priority patent/WO2001097734A2/en
Priority to US09/883,434 priority patent/US20020035354A1/en
Priority to PCT/US2001/019817 priority patent/WO2001097731A2/en
Priority to AU2001268639A priority patent/AU2001268639A1/en
Priority to MXPA02012558A priority patent/MXPA02012558A/en
Priority to JP2002503209A priority patent/JP2004512862A/en
Priority to EP01946614A priority patent/EP1294335A2/en
Publication of WO2001097734A2 publication Critical patent/WO2001097734A2/en
Publication of WO2001097734A3 publication Critical patent/WO2001097734A3/en
Priority to US10/265,813 priority patent/US7179951B2/en
Priority to US10/325,235 priority patent/US20030097107A1/en
Priority to US11/384,771 priority patent/US7291763B2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53704—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having an inhibiting function on liquid propagation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
    • A61F13/51458—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable
    • A61F13/5146—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable having apertures of perforations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
    • A61F13/51458—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable
    • A61F13/51462—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable being defined by a value or parameter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
    • A61F13/51478—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53743—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the position of the layer relative to the other layers
    • A61F13/53756—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the position of the layer relative to the other layers the layer facing the back-sheet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/5376—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the performance of the layer, e.g. acquisition rate, distribution time, transfer time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15463—Absorbency

Abstract

Absorbent article allowing for convective gas/air transport therethrough, especially by providing absorbent cores, which have sufficient basis capacity and air/gas permeability at the same time. The absorbent core comprises a liquid storage region, and a liquid acquisition/distribution region positioned between the liquid storage region and the topsheets said acquisition/distribution region comprises an evaporation barrier layer/region.
PCT/US2000/017084 2000-06-21 2000-06-21 Absorbent articles with an improved ventilation WO2001097734A2 (en)

Priority Applications (16)

Application Number Priority Date Filing Date Title
CA2672562A CA2672562C (en) 2000-06-21 2000-06-21 Absorbent articles with an improved ventilation
AU2000258819A AU2000258819A1 (en) 2000-06-21 2000-06-21 Absorbent articles with increased convective gas flow rates therethrough
EP00944774A EP1294333A2 (en) 2000-06-21 2000-06-21 Absorbent articles with an improved ventilation
MXPA02012873A MXPA02012873A (en) 2000-06-21 2000-06-21 Absorbent articles with an improved ventilation.
JP2002503212A JP2003535648A (en) 2000-06-21 2000-06-21 Absorbent articles with increased convective gas flow rates
CA002412442A CA2412442C (en) 2000-06-21 2000-06-21 Absorbent articles with an improved ventilation
PCT/US2000/017084 WO2001097734A2 (en) 2000-06-21 2000-06-21 Absorbent articles with an improved ventilation
US09/883,434 US20020035354A1 (en) 2000-06-21 2001-06-18 Absorbent barrier structures having a high convective air flow rate and articles made therefrom
PCT/US2001/019817 WO2001097731A2 (en) 2000-06-21 2001-06-21 Absorbent barrier structures having a high convective air flow rate and articles made therefrom
AU2001268639A AU2001268639A1 (en) 2000-06-21 2001-06-21 Absorbent barrier structures having a high convective air flow rate and articlesmade therefrom
MXPA02012558A MXPA02012558A (en) 2000-06-21 2001-06-21 Absorbent barrier structures having a high convective air flow rate and articles made therefrom.
JP2002503209A JP2004512862A (en) 2000-06-21 2001-06-21 Absorbent barrier structures with high convective airflow velocity and products made therefrom
EP01946614A EP1294335A2 (en) 2000-06-21 2001-06-21 Absorbent barrier structures having a high convective air flow rate and articles made therefrom
US10/265,813 US7179951B2 (en) 2000-06-21 2002-10-07 Absorbent barrier structures having a high convective air flow rate and articles made therefrom
US10/325,235 US20030097107A1 (en) 2000-06-21 2002-12-19 Absorbent article with increased convective gas flow rates therethrough
US11/384,771 US7291763B2 (en) 2000-06-21 2006-03-20 Absorbent barrier structures having a high convective air flow rate and articles made therefrom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2000/017084 WO2001097734A2 (en) 2000-06-21 2000-06-21 Absorbent articles with an improved ventilation

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US09/883,434 Continuation-In-Part US20020035354A1 (en) 2000-06-21 2001-06-18 Absorbent barrier structures having a high convective air flow rate and articles made therefrom
US10/325,235 Continuation US20030097107A1 (en) 2000-06-21 2002-12-19 Absorbent article with increased convective gas flow rates therethrough

Publications (2)

Publication Number Publication Date
WO2001097734A2 WO2001097734A2 (en) 2001-12-27
WO2001097734A3 true WO2001097734A3 (en) 2002-03-28

Family

ID=21741525

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2000/017084 WO2001097734A2 (en) 2000-06-21 2000-06-21 Absorbent articles with an improved ventilation
PCT/US2001/019817 WO2001097731A2 (en) 2000-06-21 2001-06-21 Absorbent barrier structures having a high convective air flow rate and articles made therefrom

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/US2001/019817 WO2001097731A2 (en) 2000-06-21 2001-06-21 Absorbent barrier structures having a high convective air flow rate and articles made therefrom

Country Status (6)

Country Link
EP (2) EP1294333A2 (en)
JP (2) JP2003535648A (en)
AU (2) AU2000258819A1 (en)
CA (2) CA2672562C (en)
MX (2) MXPA02012873A (en)
WO (2) WO2001097734A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110907613A (en) * 2019-12-31 2020-03-24 露乐健康科技（广州）有限公司 Measuring and evaluating device and evaluating method for microclimate of infant paper diaper

Families Citing this family (11)

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EP1325981A1 (en) * 2002-01-05 2003-07-09 The Procter & Gamble Company Multiply tissue towel with super absorbent fibres
US7211171B2 (en) 2002-01-05 2007-05-01 The Procter & Gamble Company Multiply tissue product
US7174774B2 (en) 2002-08-30 2007-02-13 Kimberly-Clark Worldwide, Inc. Method and apparatus of detecting pooling of fluid in disposable or non-disposable absorbent articles
EP1639173B1 (en) 2003-06-30 2011-08-03 The Procter & Gamble Company Particulates in nanofiber webs
US8487156B2 (en) 2003-06-30 2013-07-16 The Procter & Gamble Company Hygiene articles containing nanofibers
US8395016B2 (en) 2003-06-30 2013-03-12 The Procter & Gamble Company Articles containing nanofibers produced from low melt flow rate polymers
JP4471975B2 (en) 2003-06-30 2010-06-02 ザ プロクター アンド ギャンブル カンパニー Coated nanofiber web
US8101814B2 (en) * 2004-05-12 2012-01-24 The Procter & Gamble Company Breathable absorbent articles and composites comprising a vapor permeable, liquid barrier layer
US7390760B1 (en) 2004-11-02 2008-06-24 Kimberly-Clark Worldwide, Inc. Composite nanofiber materials and methods for making same
US20060094320A1 (en) 2004-11-02 2006-05-04 Kimberly-Clark Worldwide, Inc. Gradient nanofiber materials and methods for making same
EP3386457A1 (en) * 2015-12-10 2018-10-17 The Procter and Gamble Company Article comprising odor control composition

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US3073308A (en) * 1956-07-25 1963-01-15 Stamberger Paul Diaper inserts
GB2055586A (en) * 1979-08-10 1981-03-11 Oreal Sanitary towels and other absorbent elements
US4321924A (en) * 1980-05-12 1982-03-30 The Procter & Gamble Company Bordered disposable absorbent article
US4657538A (en) * 1985-07-29 1987-04-14 Personal Products Company Panty liner with flow retarding layer
US4676786A (en) * 1985-02-14 1987-06-30 Tetsuya Nishino Paper diaper
EP0347746A1 (en) * 1988-06-23 1989-12-27 The Procter & Gamble Company Bicomponent material
US5614283A (en) * 1994-12-22 1997-03-25 Tredegar Industries Absorbent composite with three-dimensional film surface for use in absorbent disposable products
US5728446A (en) * 1993-08-22 1998-03-17 Johnston; Raymond P. Liquid management film for absorbent articles
US5762643A (en) * 1994-11-03 1998-06-09 Tredegar Industries, Inc. Vacuum assisted application of thin vapor permeable, liquid impermeable coatings on apertured substrates and articles produced therefrom
US5846230A (en) * 1993-06-28 1998-12-08 The Procter & Gamble Co. Absorbent article with means for directional fluid distribution

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073308A (en) * 1956-07-25 1963-01-15 Stamberger Paul Diaper inserts
GB2055586A (en) * 1979-08-10 1981-03-11 Oreal Sanitary towels and other absorbent elements
US4321924A (en) * 1980-05-12 1982-03-30 The Procter & Gamble Company Bordered disposable absorbent article
US4676786A (en) * 1985-02-14 1987-06-30 Tetsuya Nishino Paper diaper
US4657538A (en) * 1985-07-29 1987-04-14 Personal Products Company Panty liner with flow retarding layer
EP0347746A1 (en) * 1988-06-23 1989-12-27 The Procter & Gamble Company Bicomponent material
US5846230A (en) * 1993-06-28 1998-12-08 The Procter & Gamble Co. Absorbent article with means for directional fluid distribution
US5728446A (en) * 1993-08-22 1998-03-17 Johnston; Raymond P. Liquid management film for absorbent articles
US5762643A (en) * 1994-11-03 1998-06-09 Tredegar Industries, Inc. Vacuum assisted application of thin vapor permeable, liquid impermeable coatings on apertured substrates and articles produced therefrom
US5614283A (en) * 1994-12-22 1997-03-25 Tredegar Industries Absorbent composite with three-dimensional film surface for use in absorbent disposable products

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110907613A (en) * 2019-12-31 2020-03-24 露乐健康科技（广州）有限公司 Measuring and evaluating device and evaluating method for microclimate of infant paper diaper

Also Published As

Publication number Publication date
JP2003535648A (en) 2003-12-02
CA2672562A1 (en) 2001-12-27
MXPA02012558A (en) 2003-04-10
EP1294333A2 (en) 2003-03-26
JP2004512862A (en) 2004-04-30
WO2001097731A2 (en) 2001-12-27
EP1294335A2 (en) 2003-03-26
AU2000258819A1 (en) 2002-01-02
AU2001268639A1 (en) 2002-01-02
CA2412442C (en) 2009-10-13
WO2001097734A2 (en) 2001-12-27
MXPA02012873A (en) 2003-05-14
WO2001097731A3 (en) 2002-05-16
CA2672562C (en) 2013-08-27
CA2412442A1 (en) 2001-12-27

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