HK1023377A1 - Lyocell fibers and process for their preparation - Google Patents
Lyocell fibers and process for their preparationInfo
- Publication number
- HK1023377A1 HK1023377A1 HK00102529A HK00102529A HK1023377A1 HK 1023377 A1 HK1023377 A1 HK 1023377A1 HK 00102529 A HK00102529 A HK 00102529A HK 00102529 A HK00102529 A HK 00102529A HK 1023377 A1 HK1023377 A1 HK 1023377A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- fibers
- preparation
- lyocell fibers
- fiber
- fabrics
- Prior art date
Links
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
- D04H1/54—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
- 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
- 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
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
-
- 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
- D01D5/12—Stretch-spinning methods
- D01D5/14—Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
-
- 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
- D01D5/18—Formation of filaments, threads, or the like by means of rotating spinnerets
-
- 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
- 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
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin 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
-
- 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
- D04H3/018—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the shape
-
- 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
- D04H3/16—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)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2390996P | 1996-08-23 | 1996-08-23 | |
US2446296P | 1996-08-23 | 1996-08-23 | |
PCT/US1997/014762 WO1998007911A1 (en) | 1996-08-23 | 1997-08-22 | Lyocell fibers and process for their preparation |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1023377A1 true HK1023377A1 (en) | 2000-09-08 |
Family
ID=26697781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK00102529A HK1023377A1 (en) | 1996-08-23 | 2000-04-27 | Lyocell fibers and process for their preparation |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0920548B1 (es) |
JP (2) | JP4018152B2 (es) |
KR (1) | KR100471549B1 (es) |
CN (5) | CN1230579C (es) |
AT (1) | ATE225418T1 (es) |
BR (1) | BR9711352A (es) |
CA (3) | CA2641972C (es) |
DE (1) | DE69716092T2 (es) |
ES (1) | ES2185045T3 (es) |
HK (1) | HK1023377A1 (es) |
WO (1) | WO1998007911A1 (es) |
Families Citing this family (78)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6221487B1 (en) * | 1996-08-23 | 2001-04-24 | The Weyerhauser Company | Lyocell fibers having enhanced CV properties |
US6210801B1 (en) * | 1996-08-23 | 2001-04-03 | Weyerhaeuser Company | Lyocell fibers, and compositions for making same |
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 |
GB9625634D0 (en) | 1996-12-10 | 1997-01-29 | Courtaulds Fibres Holdings Ltd | Method of manufacture of nonwoven fabric |
AT405531B (de) | 1997-06-17 | 1999-09-27 | Chemiefaser Lenzing Ag | Verfahren zur herstellung cellulosischer fasern |
AT405532B (de) * | 1997-06-17 | 1999-09-27 | Chemiefaser Lenzing Ag | Cellulosische mikrofaser |
GB2337957A (en) * | 1998-06-05 | 1999-12-08 | Courtaulds Fibres | Method of manufacture of a nonwoven fabric |
AT406386B (de) * | 1998-07-28 | 2000-04-25 | Chemiefaser Lenzing Ag | Verfahren und vorrichtung zur herstellung cellulosischer formkörper |
WO2001081664A1 (en) * | 2000-04-21 | 2001-11-01 | Weyerhaeuser Company | Meltblown process with mechanical attenuation |
US6686040B2 (en) * | 1999-02-24 | 2004-02-03 | Weyerhaeuser Company | Use of thinnings and other low specific gravity wood for lyocell products |
DE10007794A1 (de) | 2000-02-21 | 2001-06-28 | Zimmer Ag | Polymerzusammensetzung und daraus hergestellter Formkörper |
JP4627342B2 (ja) * | 2000-03-01 | 2011-02-09 | 旭化成せんい株式会社 | 異型断面再生セルロース繊維 |
DE10065859B4 (de) | 2000-12-22 | 2006-08-24 | Gerking, Lüder, Dr.-Ing. | Verfahren und Vorrichtung zur Herstellung von im Wesentlichen endlosen feinen Fäden |
CA2438445C (en) * | 2002-12-26 | 2006-11-28 | Hyosung Corporation | Lyocell multi-filament for tire cord and method of producing the same |
US6833187B2 (en) | 2003-04-16 | 2004-12-21 | Weyerhaeuser Company | Unbleached pulp for lyocell products |
US7097737B2 (en) | 2003-04-16 | 2006-08-29 | Weyerhaeuser Company | Method of making a modified unbleached pulp for lyocell products |
US6790527B1 (en) | 2003-04-16 | 2004-09-14 | Weyerhaeuser Company | Lyocell fiber from unbleached pulp |
AT501327B1 (de) * | 2003-07-21 | 2007-01-15 | Chemiefaser Lenzing Ag | Verwendung einer cellulosischen stapelfaser der gattung lyocell |
US7655175B2 (en) | 2003-12-18 | 2010-02-02 | The Procter & Gamble Company | Rotary spinning processes for forming hydroxyl polymer-containing fibers |
DE102004007617B4 (de) * | 2004-02-17 | 2007-02-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung eines Vliesstoffes, Vliesstoff und dessen Verwendung |
DE102005029793B4 (de) * | 2005-06-27 | 2007-04-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vliesstoffe, Verfahren zu deren Herstellung sowie deren Verwendung |
DE102006012052A1 (de) * | 2006-03-08 | 2007-09-13 | Lüder GERKING | Spinnvorrichtung zur Erzeugung feiner Fäden durch Spleißen |
AT503625B1 (de) | 2006-04-28 | 2013-10-15 | Chemiefaser Lenzing Ag | Wasserstrahlverfestigtes produkt enthaltend cellulosische fasern |
TW200848561A (en) * | 2006-12-22 | 2008-12-16 | Body Organ Biomedical Corp | Device for manufacturing fibrils |
US20080241536A1 (en) * | 2007-03-29 | 2008-10-02 | Weyerhaeuser Co. | Method for processing cellulose in ionic liquids and fibers therefrom |
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DE102008018746A1 (de) | 2008-04-14 | 2009-10-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Cellulosecarbamat-Spinnlösung, Verfahren zur Herstellung eines Cellulosecarbamat-Vliesstoffes, Cellulosecarbamat-Vliesstoff sowie Verwendungszwecke |
DE102008018745A1 (de) | 2008-04-14 | 2009-10-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Cellulosecarbamat-Spinnlösung, Cellulosecarbamat-Blasfolie sowie Verfahren zu deren Herstellung und Verwendungsmöglichkeiten |
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KR101025284B1 (ko) | 2008-12-24 | 2011-03-29 | 한국원자력연구원 | 원심식 섬유 방사기 |
KR101260706B1 (ko) | 2010-10-21 | 2013-05-10 | 중앙대학교 산학협력단 | 셀룰로오스 마이크로 파이버 및 이의 제조방법 |
CN101967693B (zh) * | 2010-10-26 | 2012-10-24 | 四川立能特种材料股份公司 | 一种纤维 |
CN101967692B (zh) * | 2010-10-26 | 2012-10-24 | 四川立能特种材料股份公司 | 一种纤维的生产方法 |
US9027765B2 (en) | 2010-12-17 | 2015-05-12 | Hollingsworth & Vose Company | Filter media with fibrillated fibers |
CN102121173B (zh) * | 2011-02-22 | 2012-05-30 | 天津工业大学 | 一种超细纤维非织造布吸音隔热材料的制备方法 |
CN102071542B (zh) * | 2011-02-22 | 2012-08-29 | 天津工业大学 | 一种聚合物纳微纤维非织造布的制备方法 |
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CN104619728B (zh) * | 2012-05-14 | 2017-12-29 | 美真纤维公司 | 从多糖源中分离半纤维素和纤维素的方法 |
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EP3868929A1 (de) * | 2018-01-15 | 2021-08-25 | Lenzing Aktiengesellschaft | Formkörper der in cellulose inkorporiertes elastan aufweist und herstellungsverfahren |
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EP3604652B1 (de) * | 2018-07-31 | 2023-09-06 | Lenzing Aktiengesellschaft | Vliesstoff, verwendung des vliesstoffes und wischtuch, trocknertuch sowie gesichtsmaske enthaltend den vliesstoff |
EP3674455A1 (en) * | 2018-12-28 | 2020-07-01 | Lenzing Aktiengesellschaft | Process for liquid removal from cellulose filaments yarns or fibers |
CN110295404B (zh) * | 2019-05-22 | 2021-08-10 | 武汉纺织大学 | 一种平面接收式离心纺自动生产设备及方法 |
TWI797595B (zh) * | 2021-04-22 | 2023-04-01 | 台灣百和工業股份有限公司 | 自黏纖維結構以及自黏織物結構 |
CN113215671A (zh) * | 2021-04-26 | 2021-08-06 | 常州万容新材料科技有限公司 | 一种ptfe离心成型超细纤维装置 |
CN114481352A (zh) * | 2022-01-26 | 2022-05-13 | 中国科学院苏州纳米技术与纳米仿生研究所 | 一种离心纺丝气凝胶纤维、其制备方法及应用 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996027700A1 (en) * | 1995-03-03 | 1996-09-12 | Akzo Nobel N.V. | Centrifugal spinning process for spinnable solutions |
FR2735794B1 (fr) * | 1995-06-26 | 1997-09-19 | Elysees Balzac Financiere | Procede de preparation d'un melange de fibres et de microfibres cellulosiques |
US6136244A (en) * | 1996-02-14 | 2000-10-24 | Akzo Nobel N.V. | Process for preparing cellulose fibres and filaments |
-
1997
- 1997-08-22 AT AT97940587T patent/ATE225418T1/de not_active IP Right Cessation
- 1997-08-22 CA CA2641972A patent/CA2641972C/en not_active Expired - Fee Related
- 1997-08-22 CN CNB01132547XA patent/CN1230579C/zh not_active Expired - Lifetime
- 1997-08-22 EP EP97940587A patent/EP0920548B1/en not_active Expired - Lifetime
- 1997-08-22 CA CA002264180A patent/CA2264180C/en not_active Expired - Fee Related
- 1997-08-22 BR BR9711352-2A patent/BR9711352A/pt not_active IP Right Cessation
- 1997-08-22 DE DE69716092T patent/DE69716092T2/de not_active Expired - Lifetime
- 1997-08-22 WO PCT/US1997/014762 patent/WO1998007911A1/en active IP Right Grant
- 1997-08-22 CN CN97198165A patent/CN1081684C/zh not_active Expired - Lifetime
- 1997-08-22 JP JP51098798A patent/JP4018152B2/ja not_active Expired - Lifetime
- 1997-08-22 CA CA002641970A patent/CA2641970A1/en not_active Abandoned
- 1997-08-22 ES ES97940587T patent/ES2185045T3/es not_active Expired - Lifetime
- 1997-08-22 KR KR10-1999-7001455A patent/KR100471549B1/ko not_active IP Right Cessation
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2000
- 2000-04-27 HK HK00102529A patent/HK1023377A1/xx not_active IP Right Cessation
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2001
- 2001-09-04 CN CN01132548A patent/CN1356413A/zh active Pending
- 2001-09-04 CN CN01132550A patent/CN1348023A/zh active Pending
- 2001-09-04 CN CN01132549A patent/CN1356414A/zh active Pending
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2006
- 2006-08-14 JP JP2006220947A patent/JP4134209B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2007046223A (ja) | 2007-02-22 |
EP0920548A1 (en) | 1999-06-09 |
JP2001501260A (ja) | 2001-01-30 |
CN1356413A (zh) | 2002-07-03 |
JP4018152B2 (ja) | 2007-12-05 |
CN1348023A (zh) | 2002-05-08 |
CN1230579C (zh) | 2005-12-07 |
KR100471549B1 (ko) | 2005-03-07 |
EP0920548B1 (en) | 2002-10-02 |
KR20000068304A (ko) | 2000-11-25 |
CA2641972C (en) | 2012-11-13 |
CA2641972A1 (en) | 1998-02-26 |
WO1998007911A1 (en) | 1998-02-26 |
CN1356412A (zh) | 2002-07-03 |
CA2264180C (en) | 2009-09-01 |
CN1081684C (zh) | 2002-03-27 |
JP4134209B2 (ja) | 2008-08-20 |
ATE225418T1 (de) | 2002-10-15 |
CA2264180A1 (en) | 1998-02-26 |
DE69716092D1 (de) | 2002-11-07 |
CN1238015A (zh) | 1999-12-08 |
BR9711352A (pt) | 2000-01-18 |
CA2641970A1 (en) | 1998-02-26 |
ES2185045T3 (es) | 2003-04-16 |
DE69716092T2 (de) | 2003-01-30 |
CN1356414A (zh) | 2002-07-03 |
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