DE69911776T2 - Vliesstoff und Verfahren zu seiner Herstellung - Google Patents

Vliesstoff und Verfahren zu seiner Herstellung Download PDF

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Publication number
DE69911776T2
DE69911776T2 DE69911776T DE69911776T DE69911776T2 DE 69911776 T2 DE69911776 T2 DE 69911776T2 DE 69911776 T DE69911776 T DE 69911776T DE 69911776 T DE69911776 T DE 69911776T DE 69911776 T2 DE69911776 T2 DE 69911776T2
Authority
DE
Germany
Prior art keywords
cellulose
nonwoven
fibres
fibers
solution
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
Application number
DE69911776T
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German (de)
English (en)
Other versions
DE69911776D1 (de
Inventor
John Stephen LAW
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.)
Lenzing Fibers Ltd
Original Assignee
Tencel Ltd
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 Tencel Ltd filed Critical Tencel Ltd
Application granted granted Critical
Publication of DE69911776D1 publication Critical patent/DE69911776D1/de
Publication of DE69911776T2 publication Critical patent/DE69911776T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D04H1/4258—Regenerated cellulose series
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/06—Wet spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/02—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/013—Regenerated cellulose series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/015—Natural yarns or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Artificial Filaments (AREA)
  • Woven Fabrics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
DE69911776T 1998-06-05 1999-06-04 Vliesstoff und Verfahren zu seiner Herstellung Expired - Lifetime DE69911776T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9812089A GB2337957A (en) 1998-06-05 1998-06-05 Method of manufacture of a nonwoven fabric
GB9812089 1998-06-05
PCT/GB1999/001775 WO1999064649A1 (en) 1998-06-05 1999-06-04 Methods of manufacture of nonwoven fabric

Publications (2)

Publication Number Publication Date
DE69911776D1 DE69911776D1 (de) 2003-11-06
DE69911776T2 true DE69911776T2 (de) 2004-08-19

Family

ID=10833247

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69911776T Expired - Lifetime DE69911776T2 (de) 1998-06-05 1999-06-04 Vliesstoff und Verfahren zu seiner Herstellung

Country Status (15)

Country Link
EP (1) EP1093536B1 (pt)
JP (1) JP4373008B2 (pt)
KR (1) KR100563788B1 (pt)
CN (1) CN1161502C (pt)
AT (1) ATE251239T1 (pt)
AU (1) AU4158299A (pt)
BR (1) BR9910862A (pt)
CA (1) CA2333882A1 (pt)
DE (1) DE69911776T2 (pt)
ES (1) ES2209444T3 (pt)
GB (1) GB2337957A (pt)
ID (1) ID27038A (pt)
TR (1) TR200003602T2 (pt)
TW (1) TW419543B (pt)
WO (1) WO1999064649A1 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006014171A1 (de) * 2006-03-24 2007-09-27 Thüringisches Institut für Textil- und Kunststoff-Forschung e.V. Flächenheizer mit leitfähigem Cellulosevlies

Families Citing this family (51)

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US6235392B1 (en) 1996-08-23 2001-05-22 Weyerhaeuser Company Lyocell fibers and process for their preparation
US6221487B1 (en) 1996-08-23 2001-04-24 The Weyerhauser Company Lyocell fibers having enhanced CV properties
US6331354B1 (en) 1996-08-23 2001-12-18 Weyerhaeuser Company Alkaline pulp having low average degree of polymerization values and method of producing the same
US6306334B1 (en) 1996-08-23 2001-10-23 The Weyerhaeuser Company Process for melt blowing continuous lyocell fibers
US6210801B1 (en) 1996-08-23 2001-04-03 Weyerhaeuser Company Lyocell fibers, and compositions for making same
US6471727B2 (en) 1996-08-23 2002-10-29 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
US6773648B2 (en) 1998-11-03 2004-08-10 Weyerhaeuser Company Meltblown process with mechanical attenuation
DE10065859B4 (de) 2000-12-22 2006-08-24 Gerking, Lüder, Dr.-Ing. Verfahren und Vorrichtung zur Herstellung von im Wesentlichen endlosen feinen Fäden
US7008889B2 (en) 2001-09-07 2006-03-07 Polymer Group, Inc. Imaged nonwoven fabric comprising lyocell fibers
DE602004001399T2 (de) * 2003-04-03 2007-06-21 E.I. Dupont De Nemours And Co., Wilmington Verfahren zum herstellen von gleichmässig verteiltem material
AT503625B1 (de) * 2006-04-28 2013-10-15 Chemiefaser Lenzing Ag Wasserstrahlverfestigtes produkt enthaltend cellulosische fasern
WO2007124522A1 (en) * 2006-04-28 2007-11-08 Lenzing Aktiengesellschaft Nonwoven melt-blown product
AT505621B1 (de) 2007-11-07 2009-03-15 Chemiefaser Lenzing Ag Vefahren zur herstellung eines wasserstrahlverfestigten produktes enthaltend cellulosische fasern
CN102560902A (zh) * 2012-01-12 2012-07-11 天津工业大学 一种粘胶纤维素纺丝成网非织造布的制造方法
AT516414B1 (de) 2014-10-28 2017-07-15 Chemiefaser Lenzing Ag Flüssigkeitsgetränkter Vliesstoff, enthaltend Zinkoxid-haltige Cellulosefasern
EP3144376A1 (en) 2015-09-16 2017-03-22 Lenzing Aktiengesellschaft Use of a lyocell fibre
AT519489B1 (de) 2016-10-21 2021-11-15 Chemiefaser Lenzing Ag Verfahren und Vorrichtung zum Herstellen von Vliesen auf Cellulosebasis, die direkt aus Lyocell-Spinnlösung gebildet werden
EP3385427A1 (en) 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Nonwoven cellulose fiber fabric with fiber diameter distribution
WO2018184051A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven material designed for use in absorbent core structures with intrinsic acquistion/distribution capabilities
EP3385431A1 (en) * 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Nonwoven cellulose fiber fabric with homogeneously merged fibers
EP3385425A1 (en) 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Nonwoven cellulose fiber fabric with increased oil absorbing capability
EP3385435A1 (en) 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Nonwoven cellulose fiber fabric with different sets of pores
WO2018184050A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven web designed for use in a wound care product
US11613097B2 (en) 2017-04-03 2023-03-28 Lenzing Ag Continuous filament cellulose nonwoven made with multiple bonding techniques
WO2018184042A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven web designed for use in an industrial cleaning wipe
EP3385429A1 (en) 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Nonwoven cellulose fiber fabric with fiber connected radiation diffusing particles
EP3385434A1 (en) 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Nonwoven cellulose fiber fabric with merged fibers
EP3385426A1 (en) 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Nonwoven cellulose fiber fabric with increased water holding capability and low basis weight
WO2018184049A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven material designed for use in hygiene applications
WO2018184045A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven web designed for use as a hot cooking oil filter media
WO2018184048A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven web designed for use as a wipes substrate
WO2018184046A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven material designed for use as filter media
WO2018184039A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven web designed for use as a dryer sheet
WO2018184040A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven web designed for use in a cleaning and disinfecting wipe
WO2018184041A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven web designed for use in a beauty face mask
EP3385430A1 (en) 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Optically transparent wet nonwoven cellulose fiber fabric
WO2018184047A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven web designed for use in a healthcare wiper
WO2018184044A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven web designed for use in a wet floor cleaning wipe
EP3385433A1 (en) * 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Nonwoven cellulose fiber fabric with tailored liquid wicking capability
EP3385432A1 (en) 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Nonwoven cellulose fiber fabric with extremely low heavy metal content
EP3385428A1 (en) 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Nonwoven cellulose fiber fabric with fibers having non-circular cross section
WO2018184043A1 (en) 2017-04-03 2018-10-11 Lenzing Ag A nonwoven web designed for use in a clean room wipe
CN110578179A (zh) * 2018-06-08 2019-12-17 郑州中远氨纶工程技术有限公司 一种纤维素纤维长丝的生产方法及生产装置
EP3604652B1 (de) 2018-07-31 2023-09-06 Lenzing Aktiengesellschaft Vliesstoff, verwendung des vliesstoffes und wischtuch, trocknertuch sowie gesichtsmaske enthaltend den vliesstoff
EP3636672A1 (en) 2018-10-09 2020-04-15 Lenzing Aktiengesellschaft Marking of a regenerated cellulosic material
CN109554828B (zh) * 2018-10-22 2021-06-22 复旦大学 一种超低定量再生纤维素纤维丝网的制备方法
EP3696317A1 (en) 2019-02-15 2020-08-19 Lenzing Aktiengesellschaft Spun-dyed fiber and method for its manufacture
TWI770569B (zh) * 2020-07-29 2022-07-11 新麗企業股份有限公司 不織布製造設備及其製造方法
EP4163430A1 (en) 2021-10-08 2023-04-12 Lenzing Aktiengesellschaft Nonwoven layer comprising a network of substantially endless regenerated cellulosic fibers
EP4215170A1 (en) 2022-01-20 2023-07-26 Lenzing Aktiengesellschaft Nonwoven layer comprising a network of substantially continuous regenerated cellulosic fibers
EP4293148A1 (en) 2022-06-15 2023-12-20 Lenzing Aktiengesellschaft Nonwoven layer comprising a network of substantially continuous regenerated cellulosic fibers

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US3415922A (en) * 1965-07-02 1968-12-10 Monsanto Co Mist spinning
US4261943A (en) * 1979-07-02 1981-04-14 Akzona Incorporated Process for surface treating cellulose products
JP2739509B2 (ja) * 1989-12-28 1998-04-15 ダイセル化学工業株式会社 中空糸膜の製造方法及びそれに用いられる筒状物
AT401393B (de) * 1994-09-05 1996-08-26 Chemiefaser Lenzing Ag Verfahren zur herstellung von cellulosefasern
US5545371A (en) * 1994-12-15 1996-08-13 Ason Engineering, Inc. Process for producing non-woven webs
FR2735794B1 (fr) * 1995-06-26 1997-09-19 Elysees Balzac Financiere Procede de preparation d'un melange de fibres et de microfibres cellulosiques
GB9607456D0 (en) * 1996-04-10 1996-06-12 Courtaulds Fibres Holdings Ltd Spinning of filaments
CN1081684C (zh) * 1996-08-23 2002-03-27 韦尔豪泽公司 里奥塞尔纤维

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006014171A1 (de) * 2006-03-24 2007-09-27 Thüringisches Institut für Textil- und Kunststoff-Forschung e.V. Flächenheizer mit leitfähigem Cellulosevlies

Also Published As

Publication number Publication date
EP1093536B1 (en) 2003-10-01
ID27038A (id) 2001-02-22
KR100563788B1 (ko) 2006-03-27
JP4373008B2 (ja) 2009-11-25
ES2209444T3 (es) 2004-06-16
AU4158299A (en) 1999-12-30
GB9812089D0 (en) 1998-08-05
TR200003602T2 (tr) 2001-04-20
TW419543B (en) 2001-01-21
CN1161502C (zh) 2004-08-11
GB2337957A (en) 1999-12-08
WO1999064649A1 (en) 1999-12-16
BR9910862A (pt) 2001-03-06
JP2002517630A (ja) 2002-06-18
ATE251239T1 (de) 2003-10-15
EP1093536A1 (en) 2001-04-25
KR20010071345A (ko) 2001-07-28
DE69911776D1 (de) 2003-11-06
CA2333882A1 (en) 1999-12-16
CN1304464A (zh) 2001-07-18

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