EP1666377B1 - Flexible, double-layer container - Google Patents

Flexible, double-layer container Download PDF

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Publication number
EP1666377B1
EP1666377B1 EP06101459A EP06101459A EP1666377B1 EP 1666377 B1 EP1666377 B1 EP 1666377B1 EP 06101459 A EP06101459 A EP 06101459A EP 06101459 A EP06101459 A EP 06101459A EP 1666377 B1 EP1666377 B1 EP 1666377B1
Authority
EP
European Patent Office
Prior art keywords
air
container
filling
ply
cage
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
EP06101459A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1666377A2 (en
EP1666377A3 (en
Inventor
Gerd Theodor c/o Petra Brand Brand
Michael Hirschhäuser
Frank Dieter Hünig
Johannes Andreas Joze Middelman
Thomas Riedemann
Roland Schaffer
Hans-Joachim Seydel
Hans Jürgen Strempel
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.)
Evonik Operations GmbH
Original Assignee
Evonik Degussa 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
Priority claimed from DE10133666A external-priority patent/DE10133666A1/de
Application filed by Evonik Degussa GmbH filed Critical Evonik Degussa GmbH
Priority to EP06101459A priority Critical patent/EP1666377B1/en
Publication of EP1666377A2 publication Critical patent/EP1666377A2/en
Publication of EP1666377A3 publication Critical patent/EP1666377A3/en
Application granted granted Critical
Publication of EP1666377B1 publication Critical patent/EP1666377B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67CCLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D5/00Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42Details of containers or of foldable or erectable container blanks
    • B65D5/4295Ventilating arrangements, e.g. openings, space elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/28Controlling escape of air or dust from containers or receptacles during filling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D65/00Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38Packaging materials of special type or form
    • B65D65/40Applications of laminates for particular packaging purposes
    • B65D65/403Applications of laminates for particular packaging purposes with at least one corrugated layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D88/00Large containers
    • B65D88/16Large containers flexible
    • B65D88/1612Flexible intermediate bulk containers [FIBC]
    • B65D88/1618Flexible intermediate bulk containers [FIBC] double-walled or with linings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D88/00Large containers
    • B65D88/16Large containers flexible
    • B65D88/1612Flexible intermediate bulk containers [FIBC]
    • B65D88/1668Flexible intermediate bulk containers [FIBC] closures for top or bottom openings

Definitions

  • the present invention relates to a flexible container.
  • finely divided silica is a product having an extremely low compacted bulk density of about 40 to 50 g/l. Owing to its fine structure, finely divided silica is capable of binding a very large amount of gas, for example air, so the product is put into a quasi-fluid state of about 20 to 30 g/l.
  • the bags consist of three to four plies of paper, and one ply of the paper may additionally be laminated with polyethylene as a barrier against penetrating moisture. To achieve the desired air permeability during the filling process, all plies are microperforated. This has the effect that the product is compressed as it is introduced into the bag and its filling density increases relative to the natural pour density.
  • a process and a receptacle for repeated filling with and emptying of pourable product having a low pouring density is known from EP-A-0 773 159 .
  • the woven fabric receptacle described therein, the so-called big bag or also super bag consists of flexible air-permeable woven fabric, preferably a single or multiple ply of plastic woven fabric with at least one inlet.
  • This woven fabric receptacle is also filled using vacuum filling systems.
  • a vacuum is applied to the woven fabric receptacle and the product is aspirated through the open inlet into the woven fabric receptacle until a predetermined filling weight is achieved.
  • the issuing gas is distributed over the entire surface of the woven fabric receptacle.
  • the product is reversibly compacted, as when being poured into bags, without its structure being destroyed in the process.
  • DE-A-198 39 106 describes flexible large containers for finely divided solids having a high air content for repeated filling using vacuum filling systems, which consist of at least two superimposed plies, an inner ply consisting of uncoated air-permeable woven fabric and an outer ply being dustproof and being coated with a moisture barrier and these plies being mutually connected by a special seam in such a way that the container may only be aerated through it.
  • the DE-A-198 39 106 describes a particular process for filling this large container, with which the filling material is subjected to preliminary deaeration prior to filling and a further deaeration via the seams of the fabric is carried out during filling.
  • the preliminary deaeration and therefore partial compaction of the filling product are also effected by the application of vacuum.
  • a drawback of the process described in DE-A-198 39 106 is the extremely high expenditure on apparatus as vacuum systems are required for both preliminary compaction and filling of the large container. Despite this expenditure, the filling capacity is still too low, so the process described in DE-A-198 39 106 is uneconomical overall.
  • the subject of the invention is a flexible container for the repeated filling and draining of finely divided silica and to be used for amounts up to 1.200 kg having a high air content and extremely low pour density, which is characterized in that , it consists of at least two plies, wherein one ply is made of an air permeable, supporting material PP woven ribbon material with a weight of 75 to 300 g/m 3 and the other consists of filter material HDPE non woven "Tyvek" by DuPont, whereby the air permeable supporting material is arranged on the outside and filter material on the inside, and it permits a dust-free filling through compacting on the inside of the container, whereby clearly higher bulk weights can be a achieved, whereby the highly air-permeably inner ply acts as a filter for the product and permits the air to escape, whereby the outer ply absorbs the forces, but permits the air to escape, whereby the outer ply is hot coated so that air can pass through.
  • the container can be filled by an apparatus for filling containers, in particular with finely divided solids having a high air content, comprising a feed nozzle which may be introduced into the feed orifice of the container, wherein the feed nozzle is so designed that the solids may be introduced under pressure and the container is surrounded by a two-part or multi-part cage (3).
  • the filling of the container is done by arranging the air-permeable container in an apparatus, air-tight connection of the container to the feed nozzle, filling of the container under pressure and removal of the filled container.
  • the subject matter of the invention is a flexible container for finely divided solids for the repeated filling and draining, characterized in that it consists of at least two ply, one above the other, wherein one play consists of an air-permeable supporting material that is preferably non-coated and the other ply consists of a filter material.
  • the air-permeable, supporting material can be arranged on the outside and filter material on the inside.
  • the container according to the invention can be designed for optional amounts of finely divided filler materials.
  • the container according to the invention can preferably be used for amounts up to 1,200 kg. In contrast, containers according to prior art could only accommodate filling amounts of 90 to 100 kg.
  • the material used for each ply can be commercially available material.
  • the container according to the invention permits a dust-free filling through compacting on the inside of the container, in particular using the apparatus according to the invention, wherein clearly higher bulk weights can be achieved.
  • the finely divided material can be drained from the container according to the invention through a preceding fluidization and simultaneous conveying.
  • the container according to the invention is shown schematically in Figure 3 .
  • the highly air-permeable inner ply acts as a filter for the product and permits the air to escape.
  • the outer ply and the intermediate ply(plies) absorb the forces, but permit the air to escape.
  • air is moved quickly through the walls and the product can be highly compacted inside the container with considerably higher filling weights than is possible with known systems (up to 1,200 kg as compared to the known 90-100 kg, depending on the product type).
  • Finely divided solids having a high air content may be poured with adequate compression of the solids in high capacities using the apparatus without high expenditure on apparatus.
  • finely divided granular powdered solids having a high air content and selected from pyrogenic oxides, precipitated oxides, carbon blacks and modifications may be poured.
  • the apparatus may have a special feed nozzle which is equipped with a flexible sealing skin and therefore allows dust-free pressure filling.
  • the feed nozzle may be deformable and may therefore allow the filling of containers of various sizes.
  • the cage which is an important component of the apparatus has to withstand, in particular, the pressure required. At the same time, the cage gives the container adequate support during the filling process, to ensure that the container withstands the pressure applied and keeps its shape during the filling process.
  • Containers of a wide variety of shapes and of various materials may be filled in the apparatus.
  • the materials may be: air-permeable plastic woven fabric, preferably polypropylene woven fabric, plastic woven fabric, textile woven fabric, cardboard, paper, paper plastic woven material, plastic non-woven fabric, textile non-woven fabric or composites of the aforementioned materials.
  • the filling pressure is generally 0 to 8 bar, preferably 0 to 2 bar and particularly preferably 0.2 to 1.2 bar.
  • the containers according to the invention using the process may be of any conventional shapes and materials.
  • the containers may have a base area selected from a group consisting of polygon, circle, semicircle, ellipse, trapezium, triangle, rhombus, square and rectangle or a star-shaped base area.
  • the containers may also have the shape of a hood, of assembled pockets or the shape of a tied-up bag.
  • the cage contacts the container to be filled, as uniformly and snugly as possible. It is therefore expedient if the cage substantially corresponds to the shape of the container. Additional fittings in the cage allow adaptation to the respective container to be filled.
  • the cage (3) itself is also gas-permeable.
  • the cage may have walls with openings or with adequate porosity. This may be achieved, for example, by openings in the cage walls. It is particularly advantageous if the cage walls are produced from a material selected from perforated plate, mesh or netting, woven fabric or sintered material or a mesh material, because this allows high gas permeability with adequate stability to ensure that the container does not explode even under high filling pressures.
  • the cage may be in several parts, preferably two parts.
  • the cage (3) may have a bottom and may be designed without a bottom. Preferably, the cage (3) has no bottom.
  • the cage (3) may be in two or more parts and the apparatus comprises additional devices with which the two parts (3a, 3b) of the cage may be separated from one another and may be driven apart manually or automatically, preferably electro-pneumatically, to release the filled container.
  • the apparatus comprises additional devices with which the two parts (3a, 3b) of the cage may be separated from one another and may be driven apart manually or automatically, preferably electro-pneumatically, to release the filled container.
  • the cage shapes with a polygonal base area it is expedient if the cage can be separated along a diagonal as this prevents damage to the container.
  • the cage may have no bottom, in other words the cage is open at the bottom.
  • This embodiment allows particularly simple management of the filling process.
  • the container can then be positioned directly on a plate or a pallet, the feed nozzle can then be introduced into the feed orifice of the container and can be connected in an airtight manner to the container.
  • the two cage wedges can then be separated from one another and driven apart to release the filled container. As the filled container is then standing on a plate or pallet, it can easily be removed by a transportation device.
  • Fig. 1 is a side view
  • Fig. 2 is a plan view of the embodiment according to Fig. 1 with opened cage.
  • the preferred embodiment comprises a framework 1 with two rails 2 at the top, along which the two halves 3a and 3b of the cage (3) may be moved by conventional drive devices.
  • the cage has a square base area and is divided along the diagonal into the two halves 3a and 3b. This ensures that the two halves can easily be separated from the filled container, even when the has been pressed against the cage owing to the high filling pressure.
  • the cage also has two half shells 4a and 4b which surround the feed nozzle (not shown) when closed.
  • the cage 3 is open at the bottom and the container is positioned on a pallet or plate during the filling process. It is also advantageous, as shown in the figures, if the filling nozzle is arranged symmetrically with respect to the frame 1 so a cage half 3a may be removed further from the pallet or plate 5 to allow easy access, for example for a transportation device for removing the filled container.
  • Figure 3 shows schematically a representation of the container according to the invention.
  • the container 6 according to Figure 3 consists of two plies, namely the supporting, air-permeable outer material 7 (PP woven ribbon material with a weight of 75 to 300 g/m 3 ).
  • the supporting, air-permeable outer material 7 PP woven ribbon material with a weight of 75 to 300 g/m 3 .
  • the material is not coated so that air can pass through.
  • This outer layer is supporting as well as carrying for product amounts up to 1,200 kg.
  • the second ply, the inner ply 8 (inliner) consists of a filter material (e.g. HDPE nonwoven "Tyvek” by DuPont, which holds back the finely divided product but permits the air escaping from the product to pass through (filter effect).
  • a filter material e.g. HDPE nonwoven "Tyvek” by DuPont, which holds back the finely divided product but permits the air escaping from the product to pass through (filter effect).
  • the drain 9 is shown schematically in Figure 4 .
  • the drain has a conical design and is thus particularly suitable for a special draining apparatus according to EP 0 761 566 B1 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtering Materials (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Cartons (AREA)
EP06101459A 2001-07-11 2002-07-09 Flexible, double-layer container Expired - Lifetime EP1666377B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06101459A EP1666377B1 (en) 2001-07-11 2002-07-09 Flexible, double-layer container

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10133666A DE10133666A1 (de) 2001-07-11 2001-07-11 Vorrichtung und Verfahren zum Befüllen von Großgebinden unterschiedlicher Größen und Formen
EP01122734 2001-09-21
EP06101459A EP1666377B1 (en) 2001-07-11 2002-07-09 Flexible, double-layer container
EP02748849A EP1404576B1 (en) 2001-07-11 2002-07-09 Apparatus and process for filling containers with granular or pulverulent material

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP02748849A Division EP1404576B1 (en) 2001-07-11 2002-07-09 Apparatus and process for filling containers with granular or pulverulent material

Publications (3)

Publication Number Publication Date
EP1666377A2 EP1666377A2 (en) 2006-06-07
EP1666377A3 EP1666377A3 (en) 2006-09-13
EP1666377B1 true EP1666377B1 (en) 2009-02-18

Family

ID=26009681

Family Applications (3)

Application Number Title Priority Date Filing Date
EP06101462A Withdrawn EP1661612A1 (en) 2001-07-11 2002-07-09 Apparatus and Process for Filling Large Containers of Different Sizes and Shapes
EP02748849A Expired - Lifetime EP1404576B1 (en) 2001-07-11 2002-07-09 Apparatus and process for filling containers with granular or pulverulent material
EP06101459A Expired - Lifetime EP1666377B1 (en) 2001-07-11 2002-07-09 Flexible, double-layer container

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP06101462A Withdrawn EP1661612A1 (en) 2001-07-11 2002-07-09 Apparatus and Process for Filling Large Containers of Different Sizes and Shapes
EP02748849A Expired - Lifetime EP1404576B1 (en) 2001-07-11 2002-07-09 Apparatus and process for filling containers with granular or pulverulent material

Country Status (12)

Country Link
EP (3) EP1661612A1 (ja)
JP (1) JP4088668B2 (ja)
KR (1) KR100599026B1 (ja)
CN (1) CN1248912C (ja)
AT (2) ATE345266T1 (ja)
CA (2) CA2452775C (ja)
DE (2) DE60231261D1 (ja)
DK (1) DK1404576T3 (ja)
ES (1) ES2276943T3 (ja)
PL (1) PL207558B1 (ja)
UA (1) UA76169C2 (ja)
WO (1) WO2003006314A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130302480A1 (en) * 2009-04-27 2013-11-14 Jeneil Biosurfactant Company, Llc Antimicrobial Compositions and related methods of use

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007036388A1 (de) 2007-07-31 2009-02-05 Evonik Degussa Gmbh Verfahren zum Verdichten von pyrogen hergestellten Oxiden
DE102007036389A1 (de) 2007-07-31 2009-02-12 Evonik Degussa Gmbh Verfahren zum Verdichten von pyrogen hergestellten Oxiden
DE102009008984B4 (de) * 2009-02-14 2016-09-29 Empac GmbH Flexibler Schüttgutbehälter
US20100290721A1 (en) * 2009-05-13 2010-11-18 E. I. Du Pont De Nemours And Company Industrial bag having a fluid drainage layer
US11173678B2 (en) 2016-08-09 2021-11-16 James Walsh Compactor

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US2531743A (en) * 1945-09-14 1950-11-28 Ray Don Method of filling flexible containers with finely divided materials and machine therefor
US2609134A (en) * 1949-01-21 1952-09-02 Quaker Oats Co Machine for bagging cereals or grain
US2901007A (en) * 1951-06-07 1959-08-25 John P Hubbell Apparatus for handling mixtures of solid materials
BE654444A (ja) * 1963-10-17 1965-02-01
US3789897A (en) * 1970-09-11 1974-02-05 Shinwa Kagaku Kogyo Kk Packing containers
SE410399B (sv) * 1976-10-08 1979-10-15 Lectrostatic Ab Naetfilter avsett att arbeta med hoega pulserande tryck
DE3145259A1 (de) * 1981-11-14 1983-05-26 Nordenia-Kunststoffe Peter Mager Kg, 2841 Steinfeld Als verpackungsmittel fuer schuettgueter verwendbarer sack aus vorzugsweise kunststoffolie
FR2604160B1 (fr) * 1986-09-23 1988-12-30 Reynaud Baches Enveloppe interieure amovible pour silo
GB9002836D0 (en) * 1990-02-08 1990-04-04 Stott L E Ltd Powder dispensing apparatus
US5007541A (en) * 1990-03-16 1991-04-16 The Procter & Gamble Company Carton for granular materials
EP0598166A1 (de) * 1992-11-16 1994-05-25 Ciba-Geigy Ag Flexibler Mehrweg-Müllsack
DE19526743A1 (de) 1995-07-21 1997-01-23 Wacker Chemie Gmbh Verfahren zum Befüllen und Entleeren eines Behälters
ATE200462T1 (de) 1995-09-12 2001-04-15 Degussa Verfahren und vorrichtung zur entnahme von teilchen aus einem behälter
DE19715230A1 (de) * 1997-04-12 1998-10-15 Peter Dipl Ing Dinter Flexibler Schüttgutbehälter mit Indikatoren zum Nachweis von Materialschädigungen durch UV-Strahlen
US6155772A (en) * 1997-11-14 2000-12-05 Beale; Aldon Evans Lift-liner apparatus with improved weight-carrying capacity
DE19839106A1 (de) 1998-08-27 2000-03-09 Wacker Chemie Gmbh Großgebinde für hochdisperse, hochlufthaltige Feststoffe und ein Verfahren zu deren Befüllung
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130302480A1 (en) * 2009-04-27 2013-11-14 Jeneil Biosurfactant Company, Llc Antimicrobial Compositions and related methods of use
US9288981B2 (en) 2009-04-27 2016-03-22 Jeneil Biosurfactant Company, Llc Antimicrobial compositions and related methods of use
US9706773B2 (en) * 2009-04-27 2017-07-18 Jeneil Biosurfactant Company, Llc Antimicrobial compositions and related methods of use
US10278391B2 (en) 2009-04-27 2019-05-07 Jeneil Biosurfactant Company, Llc Antimicrobial compositions and related methods of use
US10292386B2 (en) 2009-04-27 2019-05-21 Jeneil Biosurfactant Company, Llc Antimicrobial compositions and related methods of use
US11564391B2 (en) 2009-04-27 2023-01-31 Jeneil Biosurfactant Company, Llc Antimicrobial compositions and related methods of use
US11570986B2 (en) 2009-04-27 2023-02-07 Jeneil Biosurfactant Company, Llc Antimicrobial compositions and related methods of use

Also Published As

Publication number Publication date
DE60231261D1 (de) 2009-04-02
ATE345266T1 (de) 2006-12-15
DE60216095T2 (de) 2007-06-21
EP1666377A2 (en) 2006-06-07
PL207558B1 (pl) 2011-01-31
CA2452775A1 (en) 2003-01-23
CA2569061C (en) 2010-09-28
ATE423070T1 (de) 2009-03-15
KR20040019054A (ko) 2004-03-04
WO2003006314A1 (en) 2003-01-23
ES2276943T3 (es) 2007-07-01
EP1404576B1 (en) 2006-11-15
KR100599026B1 (ko) 2006-07-12
JP4088668B2 (ja) 2008-05-21
PL367330A1 (en) 2005-02-21
CN1248912C (zh) 2006-04-05
JP2004533978A (ja) 2004-11-11
CA2452775C (en) 2007-09-25
EP1666377A3 (en) 2006-09-13
UA76169C2 (en) 2006-07-17
CA2569061A1 (en) 2003-01-23
DE60216095D1 (de) 2006-12-28
DK1404576T3 (da) 2007-03-19
EP1661612A1 (en) 2006-05-31
EP1404576A1 (en) 2004-04-07
CN1525921A (zh) 2004-09-01

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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