BR9809749A - Fibers with cellulose binding - Google Patents

Fibers with cellulose binding

Info

Publication number
BR9809749A
BR9809749A BR9809749-0A BR9809749A BR9809749A BR 9809749 A BR9809749 A BR 9809749A BR 9809749 A BR9809749 A BR 9809749A BR 9809749 A BR9809749 A BR 9809749A
Authority
BR
Brazil
Prior art keywords
fibers
polyolefin component
component
grafted
striated
Prior art date
Application number
BR9809749-0A
Other languages
Portuguese (pt)
Inventor
Pia Holm Hansen
Anne Monrad Larsen
Original Assignee
Fibervisions As
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 Fibervisions As filed Critical Fibervisions As
Publication of BR9809749A publication Critical patent/BR9809749A/en

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
    • D04H1/542—Adhesive fibres
    • D04H1/544—Olefin series
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
    • 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
    • D04H1/42—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
    • D04H1/42—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
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43825—Composite fibres
    • D04H1/43828—Composite fibres sheath-core
    • 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
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43835—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
    • 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
    • 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
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5412—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres sheath-core
    • 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
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5414—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres side-by-side
    • 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
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nonwoven Fabrics (AREA)
  • Multicomponent Fibers (AREA)
  • Paper (AREA)
  • Artificial Filaments (AREA)
  • Woven Fabrics (AREA)

Abstract

Patente de Invenção: <B>"FIBRAS COM LIGAçãO à CELULOSE"<D>. A invenção refere-se a materiais não-tecidos estriados a seco compreendendo fibras de dois componentes que contêm um componente de poliolefina de baixa fusão e um componentes de poliolefina de alta fusão, o componente de poliolefina de baixa fusão constituindo pelo menos uma parte da superfície da fibra e compreendendo um componente de poliolefina não-enxertado e um componente de poliolefina enxertado, em que o componente de poliolefina enxertado foi enxertado com um ácido dicarboxílico insaturado ou um anidrido do mesmo, por exemplo, ácido maléico ou anidrido maléico. As fibras de dois componentes apresentam uma excelente afinidade de ligação ás fibras naturais, tais como fibras de polpa de celulose e permitem a produção de materiais não-tecidos estriados a seco com reduzida geração de pó durante o processo de produção e com aperfeiçoadas propriedades de resistência dos não-tecidos.Invention Patent: <B> "FIBERS CONNECTING TO CELLULOSE" <D>. The invention relates to dry-striated nonwoven materials comprising two-component fibers that contain a low melt polyolefin component and a high melt polyolefin component, the low melt polyolefin component constituting at least a part of the surface of the fiber and comprising a non-grafted polyolefin component and a grafted polyolefin component, wherein the grafted polyolefin component has been grafted with an unsaturated dicarboxylic acid or an anhydride thereof, for example, maleic acid or maleic anhydride. The two-component fibers have an excellent binding affinity to natural fibers, such as cellulose pulp fibers and allow the production of dry striated nonwoven materials with reduced dust generation during the production process and with improved strength properties non-woven fabrics.

BR9809749-0A 1997-04-08 1998-03-31 Fibers with cellulose binding BR9809749A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK39497 1997-04-08
PCT/DK1998/000131 WO1998045519A1 (en) 1997-04-08 1998-03-31 Cellulose-binding fibres

Publications (1)

Publication Number Publication Date
BR9809749A true BR9809749A (en) 2000-06-20

Family

ID=8093021

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9809749-0A BR9809749A (en) 1997-04-08 1998-03-31 Fibers with cellulose binding

Country Status (13)

Country Link
EP (1) EP0973966B1 (en)
JP (1) JP3672324B2 (en)
KR (1) KR100403057B1 (en)
CN (1) CN1106469C (en)
AU (1) AU6918298A (en)
BR (1) BR9809749A (en)
CA (1) CA2281802C (en)
DE (1) DE69808061T2 (en)
DK (1) DK0973966T3 (en)
ID (1) ID24606A (en)
IL (1) IL131586A (en)
TW (1) TW436535B (en)
WO (1) WO1998045519A1 (en)

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US6589892B1 (en) 1998-11-13 2003-07-08 Kimberly-Clark Worldwide, Inc. Bicomponent nonwoven webs containing adhesive and a third component
US6686303B1 (en) * 1998-11-13 2004-02-03 Kimberly-Clark Worldwide, Inc. Bicomponent nonwoven webs containing splittable thermoplastic filaments and a third component
TW479087B (en) * 1998-11-13 2002-03-11 Kimberly Clark Co Pulp-modified bicomponent continuous filament nonwoven webs and articles
US6362389B1 (en) 1998-11-20 2002-03-26 Kimberly-Clark Worldwide, Inc. Elastic absorbent structures
AU2176600A (en) 1998-12-10 2000-06-26 Kimberly-Clark Worldwide, Inc. An absorbent structure including a thin, calendered airlaid composite and a process for making the composite
US6368609B1 (en) 1999-04-12 2002-04-09 Kimberly-Clark Worldwide, Inc. Absorbent structure including a thin, calendered airlaid composite and a process for making the composite
DE10222672B4 (en) 2001-05-28 2016-01-21 Jnc Corporation Process for the preparation of thermoadhesive conjugate fibers and nonwoven fabric using same
US6739023B2 (en) 2002-07-18 2004-05-25 Kimberly Clark Worldwide, Inc. Method of forming a nonwoven composite fabric and fabric produced thereof
US7632258B2 (en) * 2003-03-19 2009-12-15 Kimberly-Clark Worldwide, Inc. Multilayer absorbent article
US8592329B2 (en) 2003-10-07 2013-11-26 Hollingsworth & Vose Company Vibrationally compressed glass fiber and/or other material fiber mats and methods for making the same
US7662745B2 (en) 2003-12-18 2010-02-16 Kimberly-Clark Corporation Stretchable absorbent composites having high permeability
US7938813B2 (en) 2004-06-30 2011-05-10 Kimberly-Clark Worldwide, Inc. Absorbent article having shaped absorbent core formed on a substrate
US7772456B2 (en) 2004-06-30 2010-08-10 Kimberly-Clark Worldwide, Inc. Stretchable absorbent composite with low superaborbent shake-out
WO2009088648A1 (en) * 2007-12-31 2009-07-16 3M Innovative Properties Company Composite non-woven fibrous webs having continuous particulate phase and methods of making and using the same
BR112012009561A2 (en) 2009-10-21 2016-05-17 3M Innovative Properties Co Method for Fabricating Porous Supported Blanket and Supported Porous Artery
DE102009055951A1 (en) 2009-11-27 2011-06-01 Glatfelter Falkenhagen Gmbh Absorbing structure
DE102010006228A1 (en) 2010-01-28 2011-08-18 Glatfelter Falkenhagen GmbH, 16928 Absorbent structure for use as disposable product, for e.g. for hygiene area, particularly in hygiene product, has sequence of layers, two outer layers and liquid storage layer that is arranged between outer layers
KR101268925B1 (en) 2010-11-05 2013-05-29 한국생산기술연구원 Kapok Nonwoven Using Bicomponent Fiber and Manufacturing Method Thereof
CN102677396A (en) * 2011-09-16 2012-09-19 3M中国有限公司 Renewable fiber-based non-woven material and preparation method thereof
EP2832329B1 (en) * 2012-03-30 2016-10-12 Unicharm Corporation Absorbent and absorbent article provided therewith
US20150065978A1 (en) * 2012-04-10 2015-03-05 Unicharm Corporation Absorbent article
JP6118158B2 (en) * 2013-03-31 2017-04-19 ユニ・チャーム株式会社 Absorber and absorbent article provided with the same
JP6234046B2 (en) * 2013-03-31 2017-11-22 ユニ・チャーム株式会社 Absorbent articles
DE102013014917A1 (en) * 2013-07-15 2015-01-15 Ewald Dörken Ag Bicomponent fiber for the production of spunbonded nonwovens
CN104562452B (en) * 2015-01-07 2017-09-05 厦门延江新材料股份有限公司 Super soft loft non-woven cloth
CN108547057A (en) * 2018-03-13 2018-09-18 福建雷尔新材料有限公司 A kind of hot-wind nonwoven cloth preparation method of containing cellulose fiber
EP3899122A4 (en) * 2018-12-10 2022-11-02 Dow Global Technologies LLC Airlaid substrates having at least one bicomponent fiber
US11472164B2 (en) 2018-12-21 2022-10-18 The Clorox Company Multi-layer substrates comprising sandwich layers and polyethylene
CN111235686A (en) * 2020-03-12 2020-06-05 江苏江南高纤股份有限公司 Composite ultrashort fiber and preparation method thereof
CN115726054A (en) * 2022-11-14 2023-03-03 福建星海通信科技有限公司 Preparation method of cellulose HDPE composite material filament
KR102645082B1 (en) * 2023-01-31 2024-03-06 건양대학교 산학협력단 Manufacturing method of composite nonwoven fabric with excellent absorbency and processability
KR102655447B1 (en) * 2023-01-31 2024-04-08 건양대학교 산학협력단 Manufacturing method of multi-purpose composite filter with excellent flexibility and adsorption

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FR2456133A1 (en) * 1979-05-10 1980-12-05 Solvay PROCESS FOR PRODUCING FIBRILLES BASED ON POLYOLEFINS AND FIBRILLES OBTAINED
US4950541A (en) * 1984-08-15 1990-08-21 The Dow Chemical Company Maleic anhydride grafts of olefin polymers
JPH0823085B2 (en) * 1988-10-17 1996-03-06 ユニチカ株式会社 Thermoadhesive conjugate fiber and non-woven fabric thereof
US5167765A (en) * 1990-07-02 1992-12-01 Hoechst Celanese Corporation Wet laid bonded fibrous web containing bicomponent fibers including lldpe
DE19506083A1 (en) * 1995-02-22 1995-07-13 Thueringisches Inst Textil Mixed fibre needled felt webs of cellulose and modified polypropylene@ staple fibres

Also Published As

Publication number Publication date
IL131586A0 (en) 2001-01-28
KR100403057B1 (en) 2003-10-30
ID24606A (en) 2000-07-27
CN1106469C (en) 2003-04-23
EP0973966A1 (en) 2000-01-26
CN1259178A (en) 2000-07-05
AU6918298A (en) 1998-10-30
WO1998045519A1 (en) 1998-10-15
KR20010005771A (en) 2001-01-15
DK0973966T3 (en) 2003-01-27
JP3672324B2 (en) 2005-07-20
CA2281802A1 (en) 1998-10-15
EP0973966B1 (en) 2002-09-18
TW436535B (en) 2001-05-28
CA2281802C (en) 2005-05-24
DE69808061D1 (en) 2002-10-24
IL131586A (en) 2003-07-06
JP2001518986A (en) 2001-10-16
DE69808061T2 (en) 2003-08-14

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 31/03/1998, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]