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US20050217792A1 - Process for the manufacturing of decorative laminate - Google Patents

Process for the manufacturing of decorative laminate Download PDF

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Publication number
US20050217792A1
US20050217792A1 US11/129,497 US12949705A US2005217792A1 US 20050217792 A1 US20050217792 A1 US 20050217792A1 US 12949705 A US12949705 A US 12949705A US 2005217792 A1 US2005217792 A1 US 2005217792A1
Authority
US
United States
Prior art keywords
process according
laminate
range
thermosetting laminate
papers
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
US11/129,497
Inventor
Ake Sjoberg
Ann-Charlott Johansson
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.)
Unilin Nordic AB
Original Assignee
Pergo Europe AB
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 Pergo Europe AB filed Critical Pergo Europe AB
Priority to US11/129,497 priority Critical patent/US20050217792A1/en
Publication of US20050217792A1 publication Critical patent/US20050217792A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0469—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper
    • B44C5/0476—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper with abrasion resistant properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • B32B2317/125—Paper, e.g. cardboard impregnated with thermosetting resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2319/00—Synthetic rubber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00—Floor coverings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y10T428/257—Iron oxide or aluminum oxide
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/259—Silicic material
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31942—Of aldehyde or ketone condensation product
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31975—Of cellulosic next to another carbohydrate
    • Y10T428/31978—Cellulosic next to another cellulosic
    • Y10T428/31982—Wood or paper
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31989—Of wood
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31993—Of paper

Definitions

  • the present invention relates to a process for the manufacturing of a decorative thermosetting laminate with a damping layer intended to decrease the sound-level.
  • thermosetting laminate Products coated with thermosetting laminate are common nowadays. They are foremost used where the demands on abrasion resistance are great, but also where resistance towards different chemicals and moisture are demanded. As example of such products can be mentioned floors, floor beadings, work tops, desk tops and wall panels.
  • thermosetting laminate most often consists of a number of base sheets with decor sheet arranged closest to the surface.
  • the decor sheet can be provided with a desired decor or pattern.
  • Such laminates are very hard in order to withstand the wear they are exposed to. This will unfortunately lead to a high noise level when hard objects are retarded suddenly by the laminate surface, such as hard heels towards a laminate surface.
  • the invention relates to a process for the manufacturing of a decorative laminate, which laminate comprises an upper decorative and abrasion resistant thermosetting laminate layer and a carrying core.
  • the invention is characterised in that the upper side of the core is provided with the abrasion resistant thermosetting laminate with a dampening foil of an elastomer arranged between the upper side of the core and the abrasion resistant thermosetting laminate.
  • the elastomer and the thermosetting laminate are joined with each other and with the core by means of pressing.
  • the thermosetting laminate is preferably constituted by one or more decor papers impregnated with melamine-formaldehyde resin and one or more overlay sheets impregnated with melamine formaldehyde resin arranged on top of the decor papers.
  • the thermosetting laminate may further possibly constitute one or more conventional resin impregnated underlay papers, arranged under the decor paper or decor papers, which underlay papers preferably contains phenol-formaldehyde resin.
  • the different papers are laminated together under increased pressure and increased temperature.
  • At least one of the sheets impregnated with thermosetting resin, preferably the outermost, is provided with hard particles of for example silicon oxide, aluminium oxide and/or silicon carbide with an average size of 1-100 ⁇ m, preferably around 5-60 ⁇ m.
  • the thermosetting laminate suitably has a thickness in the range 0.3 mm-1.2 mm, preferably 0.3 mm-0.9 mm and a density in the range 1250-1500 kg/m 3 .
  • the carrying core is suitably constituted by a particle board or a fibre board. It is however possible to manufacture the carrying core from a polymer based sheet comprising organic and/or inorganic particles.
  • the dampening foil is preferably constituted of a thermoplastic elastomer.
  • the dampening foil suitably has elasticity compression coefficient in the range 0.5-2.7 Mpa, preferably 0.8-2.0 Mpa as measured according to ISO 3386-1 with supplement from ISO 7214.
  • the dampening foil preferably has a thickness in the range 0.1-0.7 mm, preferably 0.1-0.5 mm.
  • the dampening foil is suitably constituted of an expanded physically cross-linked polyolefin with closed cells and suitably has a density in the range 150-400 kg/m 3 , preferably 180-330 kg/m 3 .
  • the dampening foil and the thermosetting laminate is suitably joined with the carrying core by means of glue and pressure.
  • the glue can hereby be constituted by a water-soluble standard glue or a so-called melt-glue.
  • the dampening foil, the carrying core and the thermosetting laminate joined via heat and pressure. It is also possible to let the dampening foil itself work as a melt-glue layer.
  • the dampening foil is then suitably non-expanded and will then have a density in the range 400-900 kg/m 3 .

Landscapes

  • Laminated Bodies (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

A process for the manufacturing of a decorative laminate, which laminate comprises an upper decorative and abrasion resistant thermosetting laminate layer and a carrying core. The upper side of the core is provided with the abrasion resistant thermosetting laminate with a dampening foil of an elastomer arranged between the upper side of the core and the abrasion resistant thermosetting laminate, which elastomer and which thermosetting laminate are joined with each other and with the core by means of pressing.

Description

  • The present invention relates to a process for the manufacturing of a decorative thermosetting laminate with a damping layer intended to decrease the sound-level.
  • Products coated with thermosetting laminate are common nowadays. They are foremost used where the demands on abrasion resistance are great, but also where resistance towards different chemicals and moisture are demanded. As example of such products can be mentioned floors, floor beadings, work tops, desk tops and wall panels.
  • The thermosetting laminate most often consists of a number of base sheets with decor sheet arranged closest to the surface. The decor sheet can be provided with a desired decor or pattern. Such laminates are very hard in order to withstand the wear they are exposed to. This will unfortunately lead to a high noise level when hard objects are retarded suddenly by the laminate surface, such as hard heels towards a laminate surface.
  • It is desirable to be able to muffle the sound level in locales with a floor surface of laminate, specially in locales where shoes normally are used.
  • It has, through the present invention, been made possible to meet the above mentioned desires and a thermosetting laminate with a lower noise level in respect of for example step noise, has been achieved. Accordingly, the invention relates to a process for the manufacturing of a decorative laminate, which laminate comprises an upper decorative and abrasion resistant thermosetting laminate layer and a carrying core. The invention is characterised in that the upper side of the core is provided with the abrasion resistant thermosetting laminate with a dampening foil of an elastomer arranged between the upper side of the core and the abrasion resistant thermosetting laminate. The elastomer and the thermosetting laminate are joined with each other and with the core by means of pressing.
  • The thermosetting laminate is preferably constituted by one or more decor papers impregnated with melamine-formaldehyde resin and one or more overlay sheets impregnated with melamine formaldehyde resin arranged on top of the decor papers. The thermosetting laminate may further possibly constitute one or more conventional resin impregnated underlay papers, arranged under the decor paper or decor papers, which underlay papers preferably contains phenol-formaldehyde resin. The different papers are laminated together under increased pressure and increased temperature. At least one of the sheets impregnated with thermosetting resin, preferably the outermost, is provided with hard particles of for example silicon oxide, aluminium oxide and/or silicon carbide with an average size of 1-100 μm, preferably around 5-60 μm. The thermosetting laminate suitably has a thickness in the range 0.3 mm-1.2 mm, preferably 0.3 mm-0.9 mm and a density in the range 1250-1500 kg/m3.
  • The carrying core is suitably constituted by a particle board or a fibre board. It is however possible to manufacture the carrying core from a polymer based sheet comprising organic and/or inorganic particles.
  • The dampening foil is preferably constituted of a thermoplastic elastomer. The dampening foil suitably has elasticity compression coefficient in the range 0.5-2.7 Mpa, preferably 0.8-2.0 Mpa as measured according to ISO 3386-1 with supplement from ISO 7214. The dampening foil preferably has a thickness in the range 0.1-0.7 mm, preferably 0.1-0.5 mm. The dampening foil is suitably constituted of an expanded physically cross-linked polyolefin with closed cells and suitably has a density in the range 150-400 kg/m3, preferably 180-330 kg/m3.
  • The dampening foil and the thermosetting laminate is suitably joined with the carrying core by means of glue and pressure. The glue can hereby be constituted by a water-soluble standard glue or a so-called melt-glue. In the latter case the dampening foil, the carrying core and the thermosetting laminate joined via heat and pressure. It is also possible to let the dampening foil itself work as a melt-glue layer. The dampening foil is then suitably non-expanded and will then have a density in the range 400-900 kg/m3.

Claims (21)

1. A process for the manufacturing of a decorative laminate, which laminate comprises an upper decorative and abrasion resistant thermosetting laminate layer and a carrying core, wherein the carrying core is constituted by particle board or fibre board, the upper side of the core is provided with the abrasion resistant thermosetting laminate with a dampening foil of an elastomer arranged between the upper side of the core and the abrasion resistant thermosetting laminate which elastomer and which thermosetting laminate are joined with each other and with the core by means of pressing.
2. A process according to claim 1, wherein the thermosetting laminate is constituted by one or more decor papers impregnated with melamine-formaldehyde resin and one or more overlay sheets impregnated with melamine formaldehyde resin arranged on top of the decor papers and optionally one or more conventional resin impregnated underlay papers, arranged under the decor paper or decor paper which papers are laminated together under increased pressure and increased temperature.
3-4. (canceled)
5. A process according to claim 2, wherein at least one of the sheets impregnated with thermosetting resin is provided with hard particles.
6. A process according to claim 2 wherein the thermosetting laminate has a thickness in the range 0.3 mm-1.2 mm.
7. A process according to claim 2, wherein the thermosetting laminate has a density in the range 1250-1500 kg/m3.
8. A process according to claim 1, wherein the dampening foil is constituted of a thermoplastic elastomer.
9. A process according to claim 8, wherein the dampening foil has elasticity compression coefficient in the range 0.5-2.7 MPa.
10. A process according to claim 8, wherein the dampening foil has a thickness in the range 0.1-0.7 mm.
11. A process according to claim 8, wherein the dampening foil has a density in the range 150-400 kg/m3.
12. A process according to claim 1, wherein the dampening foil and the thermosetting laminate is joined with the carrying core by means of glue and pressure.
13. A process according to claim 1, wherein the dampening foil and the thermosetting laminate is joined with the carrying core by means of melt-glue, heat and pressure.
14. A process according to claim 2, wherein the thermosetting laminate is constituted one or more conventional resin impregnated underlay papers, arranged under the decor paper or decor papers.
15. A process according to claim 5, wherein the hard particles are selected from the group consisting of silicon oxide, aluminium oxide and silicon carbide.
16. A process according to claim 5, wherein the hard particles have an average size of between about 5-60 μm.
17. A process according to claim 5, wherein the hard particles have an average size of between about 1 and 100 μm.
18. A process according to claim 2, wherein the thermosetting laminate has a thickness in the range 0.3 mm-0.9 mm.
19. A process according to claim 8, wherein the dampening foil has elasticity compression coefficient in the range 0.8-2.0 MPa.
20. A process according to claim 8, wherein the dampening foil has a thickness in the range 0.1-0.5 mm.
21. A process according to claim 8, wherein the dampening foil has a density in the range 180-330 kg/m3.
22. A process according to claim 2, wherein the one or more underlay papers comprise a phenol-formaldehyde resin.
US11/129,497 2000-12-11 2005-05-16 Process for the manufacturing of decorative laminate Abandoned US20050217792A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/129,497 US20050217792A1 (en) 2000-12-11 2005-05-16 Process for the manufacturing of decorative laminate

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE0004562-5 2000-12-11
SE0004562A SE520926C2 (en) 2000-12-11 2000-12-11 Process for making a decorative laminate with sound-absorbing elastomeric layer
US10/450,153 US6893713B2 (en) 2000-12-11 2001-12-07 Process for the manufacturing of decorative laminate
PCT/SE2001/002704 WO2002047906A1 (en) 2000-12-11 2001-12-07 A process for the manufacturing of decorative laminate
US11/129,497 US20050217792A1 (en) 2000-12-11 2005-05-16 Process for the manufacturing of decorative laminate

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
US10/450,153 Continuation US6893713B2 (en) 2000-12-11 2001-12-07 Process for the manufacturing of decorative laminate
PCT/SE2001/002704 Continuation WO2002047906A1 (en) 2000-12-11 2001-12-07 A process for the manufacturing of decorative laminate

Publications (1)

Publication Number Publication Date
US20050217792A1 true US20050217792A1 (en) 2005-10-06

Family

ID=20282171

Family Applications (2)

Application Number Title Priority Date Filing Date
US10/450,153 Expired - Fee Related US6893713B2 (en) 2000-12-11 2001-12-07 Process for the manufacturing of decorative laminate
US11/129,497 Abandoned US20050217792A1 (en) 2000-12-11 2005-05-16 Process for the manufacturing of decorative laminate

Family Applications Before (1)

Application Number Title Priority Date Filing Date
US10/450,153 Expired - Fee Related US6893713B2 (en) 2000-12-11 2001-12-07 Process for the manufacturing of decorative laminate

Country Status (10)

Country Link
US (2) US6893713B2 (en)
EP (1) EP1351821B1 (en)
AT (1) ATE372208T1 (en)
AU (1) AU2002221233A1 (en)
DE (1) DE60130369T2 (en)
DK (1) DK1351821T3 (en)
ES (1) ES2288908T3 (en)
PT (1) PT1351821E (en)
SE (1) SE520926C2 (en)
WO (1) WO2002047906A1 (en)

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EP1351821A1 (en) 2003-10-15
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US20040058156A1 (en) 2004-03-25
ATE372208T1 (en) 2007-09-15
US6893713B2 (en) 2005-05-17
DE60130369T2 (en) 2008-05-29
SE0004562L (en) 2002-06-12

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