AU743370B2 - Heat-sealable filter material with biodegradable polymers - Google Patents

Heat-sealable filter material with biodegradable polymers Download PDF

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Publication number
AU743370B2
AU743370B2 AU76511/98A AU7651198A AU743370B2 AU 743370 B2 AU743370 B2 AU 743370B2 AU 76511/98 A AU76511/98 A AU 76511/98A AU 7651198 A AU7651198 A AU 7651198A AU 743370 B2 AU743370 B2 AU 743370B2
Authority
AU
Australia
Prior art keywords
acid
acids
bifunctional
aliphatic
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.)
Ceased
Application number
AU76511/98A
Other languages
English (en)
Other versions
AU7651198A (en
Inventor
Richard Grangladen
Ernst Grigat
Gunter Heinrich
Sabine Schroft
Wolfgang Schulz-Schlitte
Ralf Timmermann
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.)
Glatfelter Gernsbach GmbH and Co KG
Original Assignee
Schoeller und Hoesch GmbH
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 Schoeller und Hoesch GmbH filed Critical Schoeller und Hoesch GmbH
Publication of AU7651198A publication Critical patent/AU7651198A/en
Assigned to PAPIERFABRIK SCHOELLER & HOESCH GMBH & CO. KG reassignment PAPIERFABRIK SCHOELLER & HOESCH GMBH & CO. KG Alteration of Name(s) of Applicant(s) under S113 Assignors: BAYER AKTIENGESELLSCHAFT, PAPIERFABRIK SCHOELLER & HOESCH GMBH & CO. KG
Application granted granted Critical
Publication of AU743370B2 publication Critical patent/AU743370B2/en
Anticipated expiration legal-status Critical
Ceased 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)
  • Biodiversity & Conservation Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Filtering Materials (AREA)
  • Paper (AREA)
  • Biological Depolymerization Polymers (AREA)
AU76511/98A 1997-05-13 1998-04-30 Heat-sealable filter material with biodegradable polymers Ceased AU743370B2 (en)

Applications Claiming Priority (3)

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

Publications (2)

Publication Number Publication Date
AU7651198A AU7651198A (en) 1998-12-08
AU743370B2 true AU743370B2 (en) 2002-01-24

Family

ID=7829206

Family Applications (1)

Application Number Title Priority Date Filing Date
AU76511/98A Ceased AU743370B2 (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) NO995401L (de)
TW (1) TW505722B (de)
WO (1) WO1998051396A1 (de)

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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
DE10206924B4 (de) * 2002-02-19 2005-12-15 Papierfabrik Schoeller & Hoesch Gmbh & Co. Kg Heisssiegelfähige Filtermaterialien
DE10231403B3 (de) 2002-07-11 2004-02-05 Papierfabrik Schoeller & Hoesch Gmbh & Co. Kg Heisssiegelfähiges Filtermaterial
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
DE202011111100U1 (de) 2010-07-22 2019-09-13 K-Fee System Gmbh Portionskapsel mit Kennung
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
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
DE102012105282A1 (de) 2012-06-18 2013-12-19 K-Fee System Gmbh Portionskapsel und Verfahren zur Herstellung eines Getränks mit einer Portionskapsel
NL2011107C2 (en) 2012-07-05 2014-01-07 Papierindustrie Maasmond B V Improved sealed paper 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
US9688465B2 (en) 2012-11-12 2017-06-27 2266170 Ontario Inc. Beverage capsule and process and system for making same
DE102012223291A1 (de) 2012-12-14 2014-06-18 K-Fee System Gmbh Portionskapsel und Verfahren zur Herstellung eines Getränks mit einer Portionskapsel
BR112017016590A2 (pt) 2015-02-27 2018-04-10 K-Fee System Gmbh cápsula de dose individual com um elemento de filtragem ligado por meio de selagem
PL3307647T3 (pl) 2015-06-10 2020-01-31 K-Fee System Gmbh Kapsułka porcjowa z trójwarstwową włókniną
WO2017009369A1 (de) 2015-07-13 2017-01-19 K-Fee System Gmbh Filterelement mit einer ausnehmung
MX2018002991A (es) 2015-09-18 2018-05-02 K Fee System Gmbh Adaptador para una capsula monodosis.
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

Citations (2)

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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
US5601716A (en) * 1993-12-01 1997-02-11 PAPCEL - Papier und Cellulose Technologie-und Handels-GmbH Filter material

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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
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

Patent Citations (2)

* 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
US5601716A (en) * 1993-12-01 1997-02-11 PAPCEL - Papier und Cellulose Technologie-und Handels-GmbH Filter material

Also Published As

Publication number Publication date
CN1255072A (zh) 2000-05-31
WO1998051396A1 (de) 1998-11-19
TW505722B (en) 2002-10-11
NO995401D0 (no) 1999-11-04
AU7651198A (en) 1998-12-08
KR20010012495A (ko) 2001-02-15
JP2001524873A (ja) 2001-12-04
NO995401L (no) 1999-11-04
DE19719807A1 (de) 1998-11-19
CA2289739A1 (en) 1998-11-19
EP0981400A1 (de) 2000-03-01

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Legal Events

Date Code Title Description
PC1 Assignment before grant (sect. 113)

Owner name: PAPIERFABRIK SCHOELLER AND HOESCH GMBH AND CO. KG

Free format text: THE FORMER OWNER WAS: BAYER AKTIENGESELLSCHAFT, PAPIERFABRIK SCHOELLER AND HOESCH GMBH AND CO. KG

FGA Letters patent sealed or granted (standard patent)