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EP0996578B1 - Sachet souple ferme - Google Patents

Sachet souple ferme Download PDF

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Publication number
EP0996578B1
EP0996578B1 EP98938628A EP98938628A EP0996578B1 EP 0996578 B1 EP0996578 B1 EP 0996578B1 EP 98938628 A EP98938628 A EP 98938628A EP 98938628 A EP98938628 A EP 98938628A EP 0996578 B1 EP0996578 B1 EP 0996578B1
Authority
EP
European Patent Office
Prior art keywords
sachet
sheets
channel
flexible
faces
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
EP98938628A
Other languages
German (de)
English (en)
Other versions
EP0996578A1 (fr
Inventor
Alfred Yoakim
Alain Mariller
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.)
Societe des Produits Nestle SA
Nestle SA
Original Assignee
Societe des Produits Nestle SA
Nestle SA
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 Societe des Produits Nestle SA, Nestle SA filed Critical Societe des Produits Nestle SA
Priority to SI9830078T priority Critical patent/SI0996578T1/xx
Priority to EP98938628A priority patent/EP0996578B1/fr
Publication of EP0996578A1 publication Critical patent/EP0996578A1/fr
Application granted granted Critical
Publication of EP0996578B1 publication Critical patent/EP0996578B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention relates to a closed flexible sachet in the form of an individual portion provided for extraction under pressure, containing at least one pulverulent substance for the preparation of a beverage chosen from ground roast coffee, tea, instant coffee, a mixture of instant coffee and ground coffee, a chocolate-type product or any other dehydrated edible substance, consisting of two identical flexible sheets or of a single folded flexible sheet of circular, oval or polygonal shape, creating a space for the pulverulent substance between the two sheets or between the two faces of the folded sheet, and the two sheets or the two faces of the folded sheet are welded over their periphery so that the said sachet is substantially symmetrical with respect to its welding plane, the material used for the flexible sheets is impermeable to oxygen and to water vapour in order to preserve it, and the sachet is opened through the effect only of the rise in pressure which takes place upon injection of the extraction fluid.
  • Patent WO 94/01344 already relates to a closed flexible sachet provided for extraction under pressure. With this sachet, at the time of extraction, one of the flexible sheets is perforated so as to allow the arrival of the extraction water.
  • the drawback of perforating the sheet is that firstly it is necessary to guarantee the seal over the entire periphery of the sachet and, secondly, if the coffee in the sachet is not compacted, it is not always guaranteed that the said sachet will be perforated.
  • the object of the present invention is to develop a closed sachet provided for extraction under pressure, in which it is unnecessary to guarantee the seal over the entire periphery of the sachet at the time of extraction and which makes it possible to avoid perforating one of the two flexible sheets.
  • the present invention relates to a closed flexible sachet in the form of an individual portion provided for extraction under pressure, according to the preamble of Claim 1, and in which the two flexible sheets or the two faces of the folded sheet extend over one side of the said sachet beyond their welding line so as to provide, between the said sheets or between the two faces of the folded sheet, a channel which allows the arrival of the extraction fluid, the said channel being substantially perpendicular to the welding line on which it emerges.
  • the presence of the channel between the two flexible sheets or between the two faces of the folded sheet makes it possible to insert therein a needle or any other sharp element allowing the extraction water to be supplied without perforating or tearing one of the flexible sheets. It is unnecessary for the needle or the sharp element to enter into the channel: it is also possible to envisage the arrival of the extraction water precisely at the entry of the said channel.
  • the important thing is that, in the sachet according to the invention, the said sachet is not opened by inserting the needle or the sharp element to the extent of breaking the weld which closes the said sachet, but it is the pressurized water which initiates and completely opens the said weld of the sachet in order to allow the extraction liquid to enter.
  • the water pressure is normally between 1 and 7 bar, i.e., in order to break the weld, a minimum pressure of water is required which allows the said weld to be opened up.
  • the method and the device which are used for the extraction of sachets according to the invention may advantageously be of the type which partially forms the subject of EP Patent Application Nos. 92107548 and 92112364. "Partially” is understood to mean that the device is used not for the arrival of the water but for the exit of the coffee.
  • the lower face of the sachet is opened by localized ruptures after its deformation against the non-perforating and non-cutting raised and hollowed-out elements present on the lower face of the device through the effect only of the rise in pressure which takes place upon injection of the extraction fluid.
  • the sachet according to the invention may be of square, rectangular, oval and other shapes. If the sachet is of rectangular shape, it has a width of approximately 2 to 15 cm, preferably of the order of 4-6 cm, and a length of from 6 to 20 cm. Depending on the size of the sachet, it is possible to envisage the extraction of a single cup or of several cups, for example of two cups. Once filled, the sachet has a thickness, at its centre, which is preferably between 5 and 20 mm. The measured amount of pulverulent substance contained may vary between 5 and 50 g, according to its use. The coffee is normally in the sachet in non-compacted form, which makes the said sachet relatively soft.
  • the depth of the arrival channel for the extraction fluid is normally from 3 to 10 mm and the diameter of this channel is also between 3 and 10 mm.
  • the weld which closes the sachet normally has a depth of the order of 1 to 3 mm.
  • the sheets are moulded either by means of compression in a die/piston assembly, or by means of pressurization of the inner faces by a gas and/or suction of the outer faces. In both cases, the mould has the desired relief.
  • the sheets or the folded sheet may be made from flexible material such as aluminium with a thickness of from 5 to 40 microns or from plastic such as PET.
  • the sheets will consist of a flexible, multi-layer material which is suitable for welding using customary methods whilst at the same time forming sufficient protection for the product against oxygen and water vapour.
  • a flexible, multi-layer material which is suitable for welding using customary methods whilst at the same time forming sufficient protection for the product against oxygen and water vapour.
  • PET-EVOH-PE or PET-aluminium-PE PET-EVOH-PE or PET-aluminium-PE.
  • biodegradable or water-soluble material is also possible as a single layer or in combination with other material.
  • the sachet according to the invention is manufactured in the conventional manner by means of deformation by moulding or by drawing of the two flexible sheets or of the folded flexible sheet which are impermeable to oxygen and to water vapour, by measuring the amount of pulverulent substance onto one of the flexible sheets and by welding the two sheets or the two faces of the folded sheet over their periphery.
  • the manufacturing operations are carried out under the protection of a stream of oxygen-free inert gas, for example under nitrogen or under CO 2 .
  • the major advantage of the sachet according to the invention is that it allows the arrival of the extraction water via a small opening in the weld between the two flexible sheets or between the two faces of the folded sheet.
  • the channel between the two flexible sheets or between the two faces of the folded sheet may, in one version, emerge directly on the welding line and the extraction fluid then has a single path via which to arrive at the sachet.
  • an arrival channel which is subdivided, after the welding line of the two flexible sheets or of the two faces of the folded sheet, into at least two channels emerging at different points in the sachet: for example, in the case of a sachet for a single cup, two arrival channels are envisaged, and, in the case of a sachet for two cups, four arrival channels are envisaged.
  • the sachet-extraction device it is a sharp element which is engaged into the water-arrival channel. So as to guarantee satisfactory insertion of the said sharp element into the channel, provision is made on each flexible sheet or on each face of the folded sheet for a break at the location of the said channel, allowing separation of the said flexible sheets or of the said faces of the folded sheet at the moment the extraction device is pricked. In another embodiment, it is also possible to envisage offsetting the two faces of the folded sheet at the location of the channel. As already mentioned above, it is not obligatory for the sharp element to engage in the channel.
  • a tube which is either adhesively bonded, or crimped or laid in position is placed in the extension of the channel.
  • the advantage of this tube is that it facilitates the insertion of the sharp element.
  • the sachet according to the invention needs a satisfactory seal viz a viz the extraction fluid only at the location of the arrival channel. The consequence of this is that it facilitates the design of the extraction machine and therefore the latter's cost.
  • the blank (1) is a multi-layer flexible sheet based on aluminium, polyethylene and polypropylene, having a thickness of the order of 40 microns and which is foldable along the line (4).
  • This sheet is thermoformed so as to create in it two cavities (2, 3) which make it possible to receive the ground roast coffee (40) therein.
  • the flexible sheet is then folded along the line (4) and the two faces of the sheet are welded along the hatched lines (5, 42). This welding provides a channel (6) between the two faces, allowing the insertion of the sharp element for sachet extraction. In the case of Figure 1, there is a channel (6) emerging directly onto the bed of coffee.
  • FIG. 2 there is a sheet (11) based on the same composite as for Figure 1, the said sheet being foldable along the line (12). It includes cavities (13, 14) for the ground roast coffee (41).
  • the sheet is then folded over and welded along the hatched zones (20, 44) and a channel (15) is made in it which is subdivided into two channels (18, 19), allowing the water for extraction to arrive at two different points in the bed of coffee.
  • the water breaks the weld in the zone (46) and thus allows sachet extraction.
  • the breaks (16, 17) permit satisfactory opening of the channel (15) at the moment of extraction.
  • the border (43) which goes beyond the weld (44) has a width of from 2 to 4 cm.
  • Figure 3 shows a sachet (20) of more oval shape, with its measured amount of coffee (21).
  • the weld also appears in the form of hatched zones (22).
  • the welding zone (23) forms the separation between the channel (24) and the bed of coffee (21).
  • the sharp element (25) is displaced between its guides (26) from a set-back position to a position of engagement in the channel (24). It is from this moment onwards that the extraction fluid arrives at a pressure of between 1 and 3 bar and breaks the weld (23).
  • Figure 4 finally, shows a sachet (30) which has a measured amount of coffee (31) with a weld (32), the weld (33) forming the separation between the measured amount of coffee and the channel (31) for the arrival of the extraction fluid.
  • a tube (34) In this channel, provision is made for a tube (34), allowing satisfactory insertion of the sharp element.
  • Figure 5 shows a sachet (47) obtained from a folded-over sheet, which gives two faces (56, 57).
  • This sachet is provided for a single cup of coffee with one measured amount of coffee (49).
  • the weld appears in the form of hatched zones (50, 51).
  • the welding zone (52) forms the separation between the channel (53) and the bed of coffee (49).
  • the channel (53) is subdivided into two channels (54, 55), so that the water satisfactorily moistens the coffee at two different locations.
  • the offset of the two sheets (56, 57) allows satisfactory opening-up of the channel (53) to permit satisfactory positioning of the water-arrival channel on the said channel (53).
  • the extraction fluid arrives at a pressure of between 1 and 4 bar and breaks the weld (52).
  • the water then flows into the sachet and the pressure in the sachet increases, and the lower face of the said sachet presses against raised and hollowed-out elements represented diagrammatically at (58) until the said face tears at the locations of the said raised and hollowed-out elements so as to allow the coffee to flow into the cup placed beneath the extraction device.
  • Figure 6 shows a sachet (48) which makes it possible to prepare two cups of coffee with a measured amount of coffee (69) and a measured amount (70).
  • the weld appears in the form of hatched zones (61, 62, 63).
  • the welding zone (72) forms the separation between the channel (71) and the bed of coffee (69).
  • the channel (71) is subdivided into three channels: the two channels (64, 65) firstly allowing the extraction water to progress onto the bed of coffee (69) and, secondly, a third channel (66) allowing the water to progress towards the second bed of coffee (70).
  • This channel (66) is then itself subdivided into two channels (67, 68).
  • the extraction fluid arrives via the channel (71) at a pressure of between 1 and 4 bar and breaks the weld (72).
  • the pressure in the sachet increases and the lower face of the said sachet presses against the raised and hollowed-out elements represented diagrammatically at (59, 60) until the said face tears at the locations of the said raised and hollowed-out elements so as to allow the coffee to flow into the two cups placed beneath the extraction device.
  • Figure 7 shows a sachet (73) obtained from a folded-over sheet giving two faces (74, 75). This sachet is provided for two cups of coffee with measured amounts of coffee (99, 100). The weld appears in the form of hatched zones (76, 77, 78). The welding zone (81) forms the separation between the channel (86) and the beds of coffee (99, 100). After the weld (81), the channel (86) subdivides into four channels: two channels (82, 83) for the bed of coffee (99) and two channels (84, 85) for the bed of coffee (100).
  • the offset of the two sheets (74, 75) allows satisfactory opening-up of the channel (86) to allow satisfactory positioning of the water-arrival channel on the said channel (86).
  • the extraction fluid arrives at a pressure of between 1 and 4 bar and breaks the weld (81).
  • the water then flows into the sachet and the pressure in the sachet increases and the lower face of the said sachet presses against the raised and hollowed-out elements represented diagrammatically at (79, 80) until the said face tears at the locations of the said raised and hollowed-out elements so as to allow the coffee to flow into the two cups placed beneath the extraction device.
  • FIG 8 shows a sachet (87) which makes it possible to prepare two cups of coffee with one measured amount of coffee (101).
  • the weld appears in the form of hatched zones (88, 89, 90, 91).
  • the welding zone (92) forms the separation between the channel (93) and the bed of coffee (101).
  • the channel (93) subdivides into three channels: the first two (94, 95) lead directly to the bed of coffee (101), and the third (96) conveys the water towards the bottom of the sachet.
  • the water arrives at four points on the bed of coffee, which allows satisfactory moistening of the said coffee and satisfactory extraction from the sachet.
  • the sachet according to the invention may be manufactured either from two flexible sheets or from a single folded flexible sheet.
  • the advantage of this second solution is that it dispenses with one welding zone and thus reduces the risks of a defective seal in the sachet according to the invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Apparatus For Making Beverages (AREA)
  • Materials For Medical Uses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Bag Frames (AREA)

Abstract

L'invention concerne un sachet souple fermé (11), se présentant sous la forme d'une partie individuelle conçue pour extraction sous pression, contenant du café (41) torréfié moulu. Ledit sachet est constitué de deux feuilles identiques souples ou d'une seule feuille souple pliée, de forme ovale ou polygonale créant un espace pour le café entre les deux feuilles ou entre les deux faces de la feuille pliée (11), les deux feuilles ou les deux faces de la feuille pliée étant soudées autour de leur périphérie (20, 44) de sorte que ledit sachet est sensiblement symétrique à son plan de soudage. Le sachet est ouvert sous le seul effet de l'augmentation de la pression obtenue par injection du fluide d'extraction. Les deux feuilles souples ou les deux faces de la feuille pliée s'étendent sur un côté du sachet au-delà de leurs lignes de soudages de façon à obtenir un canal entre les feuilles ou entre les deux faces de la feuille pliée, lequel canal (15) permet l'arrivée du fluide d'extraction. Ledit canal est sensiblement perpendiculaire à la ligne de soudage (44) sur laquelle il débouche.

Claims (8)

  1. Sachet souple fermé sous forme de portion individuelle prévu pour être extrait sous pression, contenant au moins une substance pulvérulente pour la préparation d'une boisson choisie parmi le café torréfié et moulu, le thé, le café soluble, un mélange de café soluble et de café moulu, un produit chocolaté ou toute autre substance comestible deshydratée, constitué de deux feuilles souples identiques ou d'une seule feuille souple pliée de forme circulaire, ovale ou polygonale ménageant entre les deux feuilles ou entre les deux faces de la feuille pliée un espace (2,3,13,14) pour la substance pulvérulente et les deux feuilles ou les deux faces de la feuille pliée sont soudées sur leur périphérie de manière à ce que ledit sachet soit sensiblement symétrique par rapport à son plan de soudage, le matériau utilisé pour les feuilles souples et imperméables à l'oxygène et à la vapeur d'eau pour sa conservation et le sachet est ouvert sous l'effet de la seule montée en pression lors de l'injection du fluide d'extraction, caractérisé en ce que les deux feuilles souples ou les deux faces de la feuille pliée se prolongent sur un côté dudit sachet au delà de leur ligne de soudure (5,42,45,20,43,46) de manière à ménager entre lesdites feuilles ou entre les deux faces de la feuille pliée un canal (6,15) permettant l'arrivée du fluide d'extraction , ledit canal étant sensiblement perpendiculaire à la ligne de soudure sur lequel il aboutit.
  2. Sachet selon la revendication 1, caractérisé en ce que le matériau pour les feuilles souples ou pour la feuille pliée est choisi parmi l'aluminium, le polyester, le polyéthylène, le polypropylène, le polyamide, le polystyrène, le papier, le copolymère déthylène et d'alcool vinylique, le chlorure de polyvinylidène, et l'acétate de polyvinyle, lesdites feuilles étant monocouches ou multicouches.
  3. Sachet selon l'une des revendications 1 ou 2, caractérisée en ce que le canal (6,15)aboutit directement sur la ligne de soudure (45).
  4. Sachet selon l'une des revendications 1 ou 2, caractérisé en ce que le canal (15) se subdivise après la ligne de soudure (20,43,46) en au moins deux canaux (18,19) aboutissant à des endroits différents du sachet.
  5. Sachet selon l'une des revendications 1 à 4, caractérisé en ce que dans le prolongement du canal, chaque feuille souple (7,8,16,17) ou chaque face de la feuille pliée comprend un décrochement permettant un écartement desdites feuilles souples.
  6. Sachet selon l'une des revendications 1 à 4, caractérisé en ce que dans le prolongement du canal, chaque feuille (74,75) est décalée pour permettre un écartement desdites feuilles souples.
  7. Sachet selon la revendication 1, caractérisé en ce que le canal comprend un tube, collé, serti, posé ou collé.
  8. Sachet selon l'une des revendications 1 à 7, caractérisé en ce que la soudure (5,42,45,20,43,46) des deux feuilles souples ou de la feuille pliée est telle qu'elle s'ouvre sous une pression de fluide d'injection comprise entre 1 et 4 bar.
EP98938628A 1997-07-15 1998-06-23 Sachet souple ferme Expired - Lifetime EP0996578B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI9830078T SI0996578T1 (en) 1997-07-15 1998-06-23 Closed flexible sachet
EP98938628A EP0996578B1 (fr) 1997-07-15 1998-06-23 Sachet souple ferme

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP97202190 1997-07-15
EP97202190 1997-07-15
EP98938628A EP0996578B1 (fr) 1997-07-15 1998-06-23 Sachet souple ferme
PCT/EP1998/003826 WO1999003753A1 (fr) 1997-07-15 1998-06-23 Sachet souple ferme

Publications (2)

Publication Number Publication Date
EP0996578A1 EP0996578A1 (fr) 2000-05-03
EP0996578B1 true EP0996578B1 (fr) 2001-11-14

Family

ID=8228557

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98938628A Expired - Lifetime EP0996578B1 (fr) 1997-07-15 1998-06-23 Sachet souple ferme

Country Status (22)

Country Link
EP (1) EP0996578B1 (fr)
JP (1) JP4049402B2 (fr)
AP (1) AP1268A (fr)
AR (1) AR015403A1 (fr)
AT (1) ATE208732T1 (fr)
AU (1) AU731750B2 (fr)
BR (1) BR9811695A (fr)
CA (1) CA2291234A1 (fr)
CO (1) CO4840527A1 (fr)
DE (1) DE69802537T2 (fr)
DK (1) DK0996578T3 (fr)
EA (1) EA001241B1 (fr)
EG (1) EG22403A (fr)
ES (1) ES2166181T3 (fr)
IL (1) IL133094A (fr)
NO (1) NO318045B1 (fr)
OA (1) OA11357A (fr)
PT (1) PT996578E (fr)
SI (1) SI0996578T1 (fr)
TW (1) TW412407B (fr)
WO (1) WO1999003753A1 (fr)
ZA (1) ZA986214B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104176356A (zh) * 2014-09-03 2014-12-03 陈家山 双层调料包

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1000574A1 (fr) 1998-11-16 2000-05-17 Societe Des Produits Nestle S.A. Procédé et dispositif d'extraction d'une capsule fermée
DE10215601B4 (de) * 2002-04-10 2005-08-04 Henkel Kgaa Wasserlöslicher Behälter sowie Verfahren zu seiner Herstellung und Verwendung desselben
US7018428B2 (en) 2002-07-26 2006-03-28 L'oreal Process for the preparation of a dyeing composition for the dyeing of keratinous fibers from pressurized steam
CH696968A5 (fr) 2003-04-01 2008-02-29 Pepup S A Récipient souple pour liquide.
FR2865646B1 (fr) * 2004-01-29 2009-02-13 Oreal Procede de preparation d'une composition pour le traitement cosmetique des matieres keratiniques a partir de fluide sous pression et d'agents protecteurs
GB0423553D0 (en) * 2004-10-22 2004-11-24 Kraft Foods R & D Inc Flexible pad for preparing a beverage
EP3521209B1 (fr) 2010-07-22 2020-01-22 K-fee System GmbH Capsule de portion avec code à barres
JP6386681B1 (ja) * 2018-01-10 2018-09-05 日本紙工株式会社 フィルター成型品の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2228374A5 (en) * 1973-05-04 1974-11-29 Tchakirian Auguste Simple, cheap appts. for instant coffee prepn - ensuring full retention of aroma
EP0002987A1 (fr) * 1977-12-30 1979-07-11 Societe Generale Pour L'emballage Procédé et machine pour la préparation sur le lieu de consommation de doses unitaires de boissons et produit utilisable dans le procédé
GB2215189A (en) * 1988-03-02 1989-09-20 Mars G B Ltd Beverage brewing using microwave heating
JP3332924B2 (ja) 1992-07-06 2002-10-07 ソシエテ デ プロデユイ ネツスル ソシエテ アノニム 密封された可撓の小袋およびその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104176356A (zh) * 2014-09-03 2014-12-03 陈家山 双层调料包

Also Published As

Publication number Publication date
AP2000001729A0 (en) 2000-03-31
JP2002507953A (ja) 2002-03-12
WO1999003753A1 (fr) 1999-01-28
EP0996578A1 (fr) 2000-05-03
DE69802537D1 (de) 2001-12-20
OA11357A (en) 2003-12-17
ES2166181T3 (es) 2002-04-01
DK0996578T3 (da) 2002-02-11
AR015403A1 (es) 2001-05-02
NO20000173D0 (no) 2000-01-13
IL133094A0 (en) 2001-03-19
AU731750B2 (en) 2001-04-05
DE69802537T2 (de) 2002-05-23
BR9811695A (pt) 2000-09-26
AP1268A (en) 2004-04-02
CA2291234A1 (fr) 1999-01-28
NO318045B1 (no) 2005-01-24
ATE208732T1 (de) 2001-11-15
SI0996578T1 (en) 2002-04-30
EA200000126A1 (ru) 2000-06-26
IL133094A (en) 2003-11-23
CO4840527A1 (es) 1999-09-27
ZA986214B (en) 2000-01-13
TW412407B (en) 2000-11-21
JP4049402B2 (ja) 2008-02-20
EA001241B1 (ru) 2000-12-25
NO20000173L (no) 2000-03-14
AU8728298A (en) 1999-02-10
PT996578E (pt) 2002-03-28
EG22403A (en) 2003-01-29

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