CA2289739A1 - Heat-sealable filter material with biodegradable polymers - Google Patents

Heat-sealable filter material with biodegradable polymers Download PDF

Info

Publication number
CA2289739A1
CA2289739A1 CA 2289739 CA2289739A CA2289739A1 CA 2289739 A1 CA2289739 A1 CA 2289739A1 CA 2289739 CA2289739 CA 2289739 CA 2289739 A CA2289739 A CA 2289739A CA 2289739 A1 CA2289739 A1 CA 2289739A1
Authority
CA
Canada
Prior art keywords
acid
acids
aliphatic
bifunctional
optionally
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.)
Abandoned
Application number
CA 2289739
Other languages
English (en)
French (fr)
Inventor
Ralf Timmermann
Ernst Grigat
Wolfgang Schulz-Schlitte
Sabine Schroft
Richard Grangladen
Gunter Heinrich
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.)
Bayer AG
Glatfelter Gernsbach GmbH and Co KG
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2289739A1 publication Critical patent/CA2289739A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/808—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package for immersion in the liquid to release part or all of their contents, e.g. tea bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1615—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of natural origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/46—Applications of disintegrable, dissolvable or edible materials
    • B65D65/466—Bio- or photodegradable packaging materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/12—Polyester-amides
    • 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
    • D04H1/4266—Natural fibres not provided for in group D04H1/425
    • 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
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • 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
    • D04H1/4374—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 using different kinds of webs, e.g. by layering webs
    • 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
    • D04H13/00—Other non-woven fabrics
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/08—Filter paper
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2230/00—Compositions for preparing biodegradable polymers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/24—Polyesters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/26—Polyamides; Polyimides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Laminated Bodies (AREA)
  • Filtering Materials (AREA)
  • Paper (AREA)
  • Biological Depolymerization Polymers (AREA)
CA 2289739 1997-05-13 1998-04-30 Heat-sealable filter material with biodegradable polymers Abandoned CA2289739A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19719807.4 1997-05-13
DE1997119807 DE19719807A1 (de) 1997-05-13 1997-05-13 Heißsiegelfähiges Filtermaterial mit biologisch abbaubaren Polymeren
PCT/EP1998/002553 WO1998051396A1 (de) 1997-05-13 1998-04-30 Heisssiegelfähiges filtermaterial mit biologisch abbaubaren polymeren

Publications (1)

Publication Number Publication Date
CA2289739A1 true CA2289739A1 (en) 1998-11-19

Family

ID=7829206

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2289739 Abandoned CA2289739A1 (en) 1997-05-13 1998-04-30 Heat-sealable filter material with biodegradable polymers

Country Status (10)

Country Link
EP (1) EP0981400A1 (de)
JP (1) JP2001524873A (de)
KR (1) KR20010012495A (de)
CN (1) CN1255072A (de)
AU (1) AU743370B2 (de)
CA (1) CA2289739A1 (de)
DE (1) DE19719807A1 (de)
NO (1) NO995401D0 (de)
TW (1) TW505722B (de)
WO (1) WO1998051396A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7344034B2 (en) 2002-02-19 2008-03-18 Papierfabrik Schoeller & Hoesch Gmbh & Co. Kg Heatsealable filter materials
US7465685B2 (en) 2002-07-11 2008-12-16 Glatfelter Gernsbach Gmbh & Co. Kg Heatsealable filter material

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4376357B2 (ja) * 1999-05-28 2009-12-02 株式会社クラレ 生分解性を有するコーヒー抽出用シート材料
JP4659226B2 (ja) * 2001-02-01 2011-03-30 大王製紙株式会社 包装用袋用紙
US6475618B1 (en) 2001-03-21 2002-11-05 Kimberly-Clark Worldwide, Inc. Compositions for enhanced thermal bonding
EP1325979A1 (de) * 2002-01-03 2003-07-09 Ahlstrom Windsor Locks LLC Nicht heisssiegelfähiges Aufgussbeutelmaterial
DE10206926B4 (de) * 2002-02-19 2005-12-15 Papierfabrik Schoeller & Hoesch Gmbh & Co. Kg Heisssiegelfähige Filtermaterialien
DE10342416A1 (de) * 2003-09-13 2005-04-07 Outlast Technologies, Inc., Boulder Filtermaterial
US20080302682A1 (en) * 2007-06-11 2008-12-11 Radi Medical Biodegradable Ab Pouch for tobacco or tobacco substitute
DE102009050447A1 (de) 2009-10-23 2011-04-28 Mahle International Gmbh Filtermaterial
KR20190100427A (ko) 2010-07-22 2019-08-28 카-페 시스템 게엠베하 음료수 제조를 위한 1인용 캡슐
CN102154953B (zh) * 2011-05-10 2012-05-23 衡水国威滤纸有限公司 一种适用于国ⅳ标准汽车燃油滤纸及制备方法
CN102154952A (zh) * 2011-05-10 2011-08-17 张赫廷 一种适用于潮湿环境汽车空气滤纸及制备方法
DE102012105282A1 (de) 2012-06-18 2013-12-19 K-Fee System Gmbh Portionskapsel und Verfahren zur Herstellung eines Getränks mit einer Portionskapsel
BE1020895A3 (nl) 2012-07-05 2014-07-01 Papierindustrie Maasmond B V Verbeterd geseald papieren sachet.
JP5852542B2 (ja) * 2012-10-10 2016-02-03 綾羽株式会社 炭素繊維強化複合材用織物およびその製造方法
EP2730523B1 (de) 2012-11-12 2016-04-06 2266170 Ontario, Inc. Getränkekapsel und Verfahren und System zur deren Herstellung
DE102012223291A1 (de) 2012-12-14 2014-06-18 K-Fee System Gmbh Portionskapsel und Verfahren zur Herstellung eines Getränks mit einer Portionskapsel
FI3261957T4 (en) 2015-02-27 2023-01-13 Capsule with a sealed filter element
JP6580714B2 (ja) 2015-06-10 2019-09-25 ケイ‐フィー システム ゲーエムベーハー ３層不織布を用いたポーションカプセル
US10737876B2 (en) 2015-07-13 2020-08-11 K-Fee System Gmbh Filter element having a cut-out
SG11201801893RA (en) 2015-09-18 2018-04-27 K Fee System Gmbh Adapter for a single serve capsule
CN105498550A (zh) * 2015-12-10 2016-04-20 华南理工大学 一种无纺布复合纳滤膜及其制备方法与应用
FI20176206A1 (en) * 2017-12-31 2019-07-01 Paptic Oy Process for making a fiber product and a fiber product

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5173154A (en) * 1989-01-26 1992-12-22 Unicon Papier Und Kanststoffhandel Sgesellschaft Mbh Heat sealable tea bag paper and process of producing same
DE3902298C1 (de) * 1989-01-26 1990-08-23 Unicon Papier- Und Kunststoffhandelsgesellschaft Mbh, 7562 Gernsbach, De
DE4235135A1 (de) * 1992-10-19 1994-04-21 Bayer Ag Verwendung thermoplastischer Poly(ester-urethane) als kompostierbare Kunststoffe
JPH06345956A (ja) * 1993-06-14 1994-12-20 Tokuyama Soda Co Ltd 微生物分解性ポリエチレンカーボネート樹脂組成物
DE4327024A1 (de) * 1993-08-12 1995-02-16 Bayer Ag Thermoplastisch verarbeitbare und biologisch abbaubare aliphatische Polyesteramide
DE9318405U1 (de) * 1993-12-01 1994-01-27 Schoeller & Hoesch Papierfab Filtermaterial
FI97726C (fi) * 1994-07-07 1997-02-10 Alko Yhtioet Oy Sulatyöstettävä polyesteriuretaani ja menetelmä sen valmistamiseksi
FI105922B (fi) * 1995-04-06 2000-10-31 Fortum Oil & Gas Oy Termoplastinen biohajoava polyesteri, menetelmä sen valmistamiseksi ja siitä valmistetut tuotteet
US5633342A (en) * 1995-10-27 1997-05-27 Chronopol, Inc. Method for the synthesis of environmentally degradable block copolymers
DE19615348A1 (de) * 1996-04-18 1997-10-23 Bayer Ag Kompostierbarer wasserfester Überzug

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7344034B2 (en) 2002-02-19 2008-03-18 Papierfabrik Schoeller & Hoesch Gmbh & Co. Kg Heatsealable filter materials
US7905985B2 (en) 2002-02-19 2011-03-15 Glatfelter Gernsbach Gmbh & Co. Kg Process for producing heatsealable filter materials
US8163131B2 (en) 2002-02-19 2012-04-24 Glatfelter Gernsbach Gmbh & Co. Kg Process for producing heatsealable filter materials
US7465685B2 (en) 2002-07-11 2008-12-16 Glatfelter Gernsbach Gmbh & Co. Kg Heatsealable filter material

Also Published As

Publication number Publication date
AU743370B2 (en) 2002-01-24
EP0981400A1 (de) 2000-03-01
KR20010012495A (ko) 2001-02-15
CN1255072A (zh) 2000-05-31
NO995401L (no) 1999-11-04
AU7651198A (en) 1998-12-08
WO1998051396A1 (de) 1998-11-19
TW505722B (en) 2002-10-11
DE19719807A1 (de) 1998-11-19
JP2001524873A (ja) 2001-12-04
NO995401D0 (no) 1999-11-04

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