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WO2002012404A3 - Antisoiling hardcoat - Google Patents

Antisoiling hardcoat Download PDF

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Publication number
WO2002012404A3
WO2002012404A3 PCT/US2001/024923 US0124923W WO0212404A3 WO 2002012404 A3 WO2002012404 A3 WO 2002012404A3 US 0124923 W US0124923 W US 0124923W WO 0212404 A3 WO0212404 A3 WO 0212404A3
Authority
WO
WIPO (PCT)
Prior art keywords
film
antisoiling
layer
perfluoropolyether
stack
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.)
Ceased
Application number
PCT/US2001/024923
Other languages
French (fr)
Other versions
WO2002012404A2 (en
Inventor
Junkang J Liu
Bettie C Fong
Bruce D Kluge
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties 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
Priority claimed from US09/633,835 external-priority patent/US6589650B1/en
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to EP01959673A priority Critical patent/EP1312104A2/en
Priority to JP2002517698A priority patent/JP2004511001A/en
Priority to KR1020037001711A priority patent/KR100790051B1/en
Priority to AU2001281202A priority patent/AU2001281202B2/en
Priority to AU8120201A priority patent/AU8120201A/en
Publication of WO2002012404A2 publication Critical patent/WO2002012404A2/en
Publication of WO2002012404A3 publication Critical patent/WO2002012404A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/44Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06Polymers provided for in subclass C08G
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/002Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
    • C08G65/005Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
    • C08G65/007Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D153/00Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D171/00Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D171/02Polyalkylene oxides
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D4/00Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D4/00Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J153/00Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/36Embedding or analogous mounting of samples
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00Microscopes
    • G02B21/34Microscope slides, e.g. mounting specimens on microscope slides
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1601Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G06F1/1607Arrangements to support accessories mechanically attached to the display housing
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • G06F1/1626Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86Vessels; Containers; Vacuum locks
    • H01J29/867Means associated with the outside of the vessel for shielding, e.g. magnetic shields
    • H01J29/868Screens covering the input or output face of the vessel, e.g. transparent anti-static coatings, X-ray absorbing layers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/16Indexing scheme relating to G06F1/16 - G06F1/18
    • G06F2200/163Indexing scheme relating to constructional details of the computer
    • G06F2200/1634Integrated protective display lid, e.g. for touch-sensitive display in handheld computer
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/045Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/64Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/65Holding-devices for protective discs or for picture masks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Optics & Photonics (AREA)
  • Laminated Bodies (AREA)
  • Surface Treatment Of Optical Elements (AREA)

Abstract

An antisoiling hardcoated film comprising a substantially transparent substrate, a hardcoat layer comprising inorganic oxide particles dispersed in a binder matrix, and an antisoiling layer comprising a perfluoropolyether. The antisoiling layer can be very thin, thus reducing the cost of the perfluoropolyether. The film has very good scratch, smudge and glare resistance and very good interlayer adhesion and durability. The film can be in the form of a single flexible substrate or a stack of such substrates. The film or stack can be sized to fit the display screen of an electronic display device such as a personal digital assistant or cell phone.
PCT/US2001/024923 2000-08-07 2001-08-07 Antisoiling hardcoat Ceased WO2002012404A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP01959673A EP1312104A2 (en) 2000-08-07 2001-08-07 Antisoiling hardcoat
JP2002517698A JP2004511001A (en) 2000-08-07 2001-08-07 Antifouling hard coat
KR1020037001711A KR100790051B1 (en) 2000-08-07 2001-08-07 Anti-fouling hard coating
AU2001281202A AU2001281202B2 (en) 2000-08-07 2001-08-07 Antisoiling hardcoat
AU8120201A AU8120201A (en) 2000-08-07 2001-08-07 Antisoiling hardcoat

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/633,835 US6589650B1 (en) 2000-08-07 2000-08-07 Microscope cover slip materials
US09/633,835 2000-08-07
USPCT/US01/00996 2001-01-11
PCT/US2001/000996 WO2002012857A1 (en) 2000-08-07 2001-01-11 Microscope cover slip materials

Publications (2)

Publication Number Publication Date
WO2002012404A2 WO2002012404A2 (en) 2002-02-14
WO2002012404A3 true WO2002012404A3 (en) 2002-04-04

Family

ID=26680399

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2001/024726 Ceased WO2002013224A2 (en) 2000-08-07 2001-08-07 Information display protectors
PCT/US2001/024923 Ceased WO2002012404A2 (en) 2000-08-07 2001-08-07 Antisoiling hardcoat

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/US2001/024726 Ceased WO2002013224A2 (en) 2000-08-07 2001-08-07 Information display protectors

Country Status (2)

Country Link
AU (4) AU8120201A (en)
WO (2) WO2002013224A2 (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6589650B1 (en) * 2000-08-07 2003-07-08 3M Innovative Properties Company Microscope cover slip materials
JP2002303707A (en) * 2001-02-02 2002-10-18 Three M Innovative Properties Co Optical filter and filter for touch panel type display
FR2848563B1 (en) * 2002-12-16 2006-07-28 Rhodia Chimie Sa SILICONE COMPOSITION FOR HARD COATING, BASED ON COLLOIDAL SILICA, CATIONICALLY CURABLE, ANTIBUOUS AND / OR ANTIFOULING
JP2006527299A (en) * 2003-06-14 2006-11-30 キュン ウォン ジュン UV curable hard coating agent composition
KR100630321B1 (en) 2003-07-18 2006-09-29 미쓰이 가가쿠 가부시키가이샤 Laminate and uses thereof
ITMI20031915A1 (en) * 2003-10-03 2005-04-04 Solvay Solexis Spa PROCESS FOR THE PREPARATION OF PERFLUOROPOLIETERS.
ITMI20031914A1 (en) 2003-10-03 2005-04-04 Solvay Solexis Spa Perfluoropolyethers.
JP4590849B2 (en) * 2003-10-03 2010-12-01 Tdk株式会社 Hard coating agent composition and optical information medium using the same
JP4779293B2 (en) 2003-10-21 2011-09-28 Tdk株式会社 Hard coating agent composition and optical information medium using the same
JP4784723B2 (en) * 2003-12-24 2011-10-05 Tdk株式会社 Hard coating agent composition and optical information medium using the same
US7288619B2 (en) 2004-05-07 2007-10-30 3M Innovative Properties Company Fluorinated polyether polyamine and method of making the same
US7342080B2 (en) * 2004-05-07 2008-03-11 3M Innovative Properties Company Polymerizable compositions, methods of making the same, and composite articles therefrom
DE102004058279A1 (en) * 2004-12-02 2006-06-08 Tesa Ag Double-sided pressure-sensitive adhesive tapes for the production of LC displays with light-reflecting and absorbing properties
US20090000727A1 (en) * 2007-06-29 2009-01-01 Kanta Kumar Hardcoat layers on release liners
DE102007045166A1 (en) * 2007-09-20 2009-04-02 Tesa Ag Transparent tape
WO2010009297A2 (en) * 2008-07-16 2010-01-21 Applied Materials, Inc. Hybrid heterojunction solar cell fabrication using a doping layer mask
TWI476223B (en) * 2009-06-16 2015-03-11 Mitsubishi Rayon Co Anti-fouling composition, anti-fouling film, anti-fouling laminated film, transfer film and resin laminate and method for fabricating resin laminate
WO2015095123A1 (en) 2013-12-19 2015-06-25 3M Innovative Properties Company Multilayer composite article
US9994676B2 (en) 2014-06-23 2018-06-12 3M Innovative Properties Company Silicon-containing polymer and method of making a silicon-containing polymer
KR102166845B1 (en) * 2017-09-15 2020-10-16 주식회사 엘지화학 Hard coating film
US12339471B2 (en) 2019-05-31 2025-06-24 3M Innovative Properties Company Composite cooling film and article including the same
EP3977024B1 (en) 2019-05-31 2023-06-28 3M Innovative Properties Company Composite cooling film and article including the same
US12443101B2 (en) 2019-09-30 2025-10-14 Taiyo Holdings Co., Ltd. Cured coating film
CN114902007B (en) 2019-12-19 2024-02-27 3M创新有限公司 Composite cooling film including organic polymer layer, UV absorbing layer and reflective metal layer
WO2021124122A1 (en) 2019-12-19 2021-06-24 3M Innovative Properties Company Composite cooling film comprising a reflective microporous layer and a uv-absorbing layer
CN114902087B (en) 2020-01-16 2024-11-08 3M创新有限公司 Composite cooling film comprising a reflective non-porous organic polymer layer and a UV protection layer
US20230366642A1 (en) 2020-11-24 2023-11-16 3M Innovative Properties Company Radiative cooling articles including a white diffusely reflective layer and a non-white color reflective mirror
CN113986039B (en) * 2021-10-26 2024-04-09 京东方科技集团股份有限公司 Display device and terminal equipment
WO2023203390A1 (en) 2022-04-19 2023-10-26 3M Innovative Properties Company Broadband reflectors including polymeric layers, and composite cooling systems
WO2025083491A1 (en) 2023-10-19 2025-04-24 3M Innovative Properties Company Synergistic passive cooling fins
WO2025120404A1 (en) 2023-12-06 2025-06-12 3M Innovative Properties Company Composite cooling films including a diffusely reflective layer and a uv reflecting composite layer

Citations (6)

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Publication number Priority date Publication date Assignee Title
EP0278060A2 (en) * 1987-02-13 1988-08-17 Toray Industries, Inc. Anti-reflection optical article and process of producing the same
US5104929A (en) * 1988-04-11 1992-04-14 Minnesota Mining And Manufacturing Company Abrasion resistant coatings comprising silicon dioxide dispersions
EP0797111A2 (en) * 1996-03-21 1997-09-24 Sony Corporation Composition for forming an antifouling film, optical component and display device
WO1999037720A1 (en) * 1998-01-27 1999-07-29 Minnesota Mining And Manufacturing Company Antisoiling coatings for antireflective surfaces and methods of preparation
WO1999057375A1 (en) * 1998-05-04 1999-11-11 3M Innovative Properties Company Retroreflective articles including a cured ceramer composite coating having abrasion and stain resistant characteristics
WO1999064899A1 (en) * 1998-06-10 1999-12-16 Cpfilms Inc. Low reflective films

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GB2259272A (en) * 1991-09-06 1993-03-10 James John Mcdaid Vehicle accessory
US5633049A (en) * 1995-04-20 1997-05-27 Minnesota Mining And Manufacturing Company Method of making protective coating for thermoplastic transparencies

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0278060A2 (en) * 1987-02-13 1988-08-17 Toray Industries, Inc. Anti-reflection optical article and process of producing the same
US5104929A (en) * 1988-04-11 1992-04-14 Minnesota Mining And Manufacturing Company Abrasion resistant coatings comprising silicon dioxide dispersions
EP0797111A2 (en) * 1996-03-21 1997-09-24 Sony Corporation Composition for forming an antifouling film, optical component and display device
WO1999037720A1 (en) * 1998-01-27 1999-07-29 Minnesota Mining And Manufacturing Company Antisoiling coatings for antireflective surfaces and methods of preparation
WO1999057375A1 (en) * 1998-05-04 1999-11-11 3M Innovative Properties Company Retroreflective articles including a cured ceramer composite coating having abrasion and stain resistant characteristics
WO1999064899A1 (en) * 1998-06-10 1999-12-16 Cpfilms Inc. Low reflective films

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1312104A2 *

Also Published As

Publication number Publication date
AU2001281202B2 (en) 2006-07-27
AU8114101A (en) 2002-02-18
AU8120201A (en) 2002-02-18
WO2002013224A2 (en) 2002-02-14
AU2001281141B2 (en) 2005-09-01
WO2002013224A8 (en) 2003-11-20
WO2002013224A3 (en) 2002-08-01
WO2002012404A2 (en) 2002-02-14

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