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EP2000005B1 - Système de mise en contact, élément de chauffage et production d'un système de mise en contact et d'un élément de chauffage - Google Patents

Système de mise en contact, élément de chauffage et production d'un système de mise en contact et d'un élément de chauffage Download PDF

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Publication number
EP2000005B1
EP2000005B1 EP07722015A EP07722015A EP2000005B1 EP 2000005 B1 EP2000005 B1 EP 2000005B1 EP 07722015 A EP07722015 A EP 07722015A EP 07722015 A EP07722015 A EP 07722015A EP 2000005 B1 EP2000005 B1 EP 2000005B1
Authority
EP
European Patent Office
Prior art keywords
electrically conductive
contacting system
conductive layer
layer
heating
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.)
Active
Application number
EP07722015A
Other languages
German (de)
English (en)
Other versions
EP2000005A2 (fr
Inventor
Thomas Grosspietsch
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.)
Heitexx Ltd
Original Assignee
Heitexx Ltd
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 Heitexx Ltd filed Critical Heitexx Ltd
Publication of EP2000005A2 publication Critical patent/EP2000005A2/fr
Application granted granted Critical
Publication of EP2000005B1 publication Critical patent/EP2000005B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/61—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/04—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation using electrically conductive adhesives
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/011—Heaters using laterally extending conductive material as connecting means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/016—Heaters using particular connecting means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters

Definitions

  • the present invention relates in each case to a method for producing a contacting system and for producing a heating element.
  • heating elements based on plastics and suitable electrically conductive particles (carbon blacks, graphites, carbon fibers, metals, metal oxides or mixtures of these components).
  • plastics which themselves have electrical conductivity (intrinsically conductive polymers).
  • a cohesive and permanent contact with the conductive surface of a heating element can be produced.
  • the adhesives used here are polymers filled with conductive solids. These may include carbon blacks or metal particles (preferably silver).
  • Another problem is the use of metal particles themselves, which require a high degree of filling of the conductive ink due to their high density. As a result, the flexibility of the eligible conductive coatings and thus the flexibility of the contacted wire is greatly reduced.
  • a further disadvantage is oxidation processes on the metal particles, as a result of which the conductivity of the conductive ink decreases over a longer period of time.
  • solvent-based conductive paints are used, these solvents may under certain circumstances dissolve the conductive foil of the heating element and possibly destroy it. The result here too is an increase in the contact resistance or an uneven contacting of the heating element.
  • thermoplastics are unsuitable for the production of flexible heating elements, since irreversible changes in shape and thus irreversible changes in the electrical power consumption occur as a result of mechanical or thermal continuous loading.
  • the structure consists of a textile carrier material and an associated heating conductor.
  • the heat conductor is made of a film-forming, carbon-pigmented plastic dispersion and covers the textile support as a coherent film.
  • US 4,737,618 discloses a heating element for a de-icing system of a wing structure.
  • conductive fibers are embedded in a composite fiber structure. Electrical supply lines are connected to the conductive fibers.
  • the conductive fibers are impregnated with resin and have the shape of a band.
  • US 3 424 362 shows a device for producing electrical resistance heating elements.
  • the heating elements comprise a fabric with electrically conductive fibers. Furthermore, the application of an electrically conductive coating is provided on the fabric.
  • the power supply is realized there via copper strips, the application of the wires is carried out with the aid of a silver particle-containing conductive ink.
  • the relative stiffness of the copper strips has the disadvantage that the bendability / Fiexibiltician of the resulting heating element is given only transverse to the contacting direction. This excludes applications in which the heating element must have sufficient flexibility in all spatial directions (eg in the case of heating textiles).
  • the present invention is therefore based on the object of specifying a contacting system and a heating element, in which a simple, uniform, stable, secure and flexible contacting is possible.
  • a bond between the carrier material and the metallic conductor is first produced to produce the contacting system.
  • the contacting system obtained by the proposed method is particularly suitable for contacting flat, flexible heating elements.
  • the production of a layer-like composite of carrier material, metallic conductor and an electrically conductive layer does not significantly impair the flexibility of a (surface) heating element.
  • the production of such a composite uniform contact of the metallic lead is achieved without significant transition projections occur.
  • the metallic conductor is not surrounded by a conductive paint or the like.
  • the contacting system can be used particularly easily, since no gluing or sewing of the metallic conductor on the electrically conductive layer is necessary.
  • the contacting system obtained according to the invention can be produced, for example, essentially in strip form and distributed in the form of metered goods.
  • the contacting system makes it possible to contact any heating elements electrically.
  • a special flexibility is achieved in that the necessary metallic conductor is not rigidly connected to the heating element. Rather, the metallic conductor is supported and reduced by the carrier material of the contacting system not the flexibility of the contacting system or the contacted heating element.
  • the production of a bond between the carrier material and the metallic conductor can be accomplished by sewing the metallic conductor onto the carrier material.
  • the joining of the composite of the carrier material and the metallic conductor to the electrically conductive layer can be achieved by dissolving or swelling the electrically conductive layer by means of an organic solvent. Thereafter, the dissolved electrically conductive layer can be pressed onto the composite between the metallic conductor and the carrier material and glued. This results in a secure cohesive connection.
  • the carrier material of the contacting system may have a film, if appropriate made of a plastic, and / or a leather, textile or needle felt layer and / or a needle or spunbonded nonwoven and / or a filament composite.
  • the metallic conductor of the contacting system may comprise a wire mesh and / or a wire mesh and / or a Drahtgewirk and / or one or more wires, Lahnelitzleiter, Metailflachlitzen, metal crocheted mesh bands or Metallgespinstgimpen.
  • the electrically conductive layer of the contacting system has one or more flexible electrically conductive films based on polymer.
  • a flexible film By using a flexible film, the flexibility of the contacting system can be increased even more.
  • the electrically conductive layer may comprise metallic and / or non-metallic conductive pigments. If metallic conductive pigments are used, it has to be considered that due to the high density of the metal to achieve a certain degree of filling, a comparatively high metal content must be set. As a result, however, the flexibility of the electrically conductive layer may decrease.
  • the electrically conductive layer has predominantly non-metallic conductive pigments. This embodiment makes it possible to achieve a particularly flexible contacting system.
  • the electrically conductive layer may have a resistivity of about 0.1 to about 10 ⁇ ⁇ cm. Preference is given to a specific resistance of about 0.1 to about 1 ⁇ x cm.
  • the provided electrically conductive layer can be dissolved or swelled by organic solvents.
  • organic solvents it is particularly easy to produce a bond with the carrier material and the metallic conductor with the electrically conductive layer.
  • the production of a heating element is simplified.
  • the loosened or swollen portion of the electrically conductive layer can serve as an adhesive for producing a cohesive composite.
  • the electrically conductive layer contains at least portions of thermoplastic material.
  • the thermoplastic can be melted by applying high heat (eg ironing) and then pressed on the layer to be contacted.
  • high heat eg ironing
  • the achievable contact resistance is special low.
  • the contacting system produced according to the invention can additionally have a temperature sensor.
  • the temperature sensor can be connected to a further provided control electronics.
  • the heating power of the contacted heating element can be controlled precisely with the aid of the contacting system according to the invention. Furthermore, it can be prevented that there is an overheating when contacting a heating element.
  • the temperature sensor may comprise a thermocouple, a resistance thermometer or the like.
  • the temperature sensor can consist of a Ni-Cr-Ni thermocouple.
  • the temperature sensor may comprise a resistance thermometer, in particular a PTC resistance thermometer. Pt-100 temperature probes are the most widely used in this field.
  • the temperature sensor can be arranged in the immediate vicinity of the metallic conductor in order to detect possibly occurring overheating.
  • the temperature sensor is designed as a PTC thermometer and has a wire-like shape. This wire can be arranged parallel to the metallic conductor within the contacting system.
  • the wire-shaped temperature sensor preferably extends between the electrically conductive layer and the carrier material in the immediate vicinity of the metallic conductor.
  • such a wire-shaped temperature sensor can also be arranged below the electrically conductive layer or on the carrier material. Furthermore, it is possible that a wire-shaped temperature sensor in the form of a sewing thread is routed at regular intervals from the top of the contacting system on the underside and back. This results in a side effect of a mechanical stabilization of the contacting system by the temperature sensor.
  • the heating element obtained has a substantially planar shape, wherein the heating element has a layer-like composite of a contacting system and a heating layer.
  • the heating element obtained according to the invention is distinguished by a particularly simple, uniform, stable, safe and flexible contacting of the heating layer by means of the contacting system obtained according to the invention.
  • the bond between the contacting system and the heating layer can be produced by dissolving or swelling the electrically conductive layer of the contacting system by means of an organic solvent. Thereafter, a cohesive connection can be established between the contacting system and the heating layer. Furthermore, a secure and flexible contacting of the heating layer is ensured.
  • a form-fitting connection between the contacting system and the heating layer can be established.
  • the two (flat) elements can be sewn together. As a result, a particularly stable heating layer is realized.
  • the heating layer of the heating element may comprise one or more electrically conductive films or layers based on polymer and / or one or more layers of conductive textiles, carbon fibers or mixtures of carbon fibers and carrier fabrics.
  • the heating layer of the heating element is designed to be flexible. This results in desirable flexibility of the entire heating element in conjunction with a flexible contacting system.
  • the heating element has flexibility in all surface directions.
  • the heating element has a temperature sensor.
  • the temperature sensor is arranged next to the contacting system and possibly runs parallel to this on the heating element.
  • This embodiment of the heating element is particularly preferred if the contacting system itself has no temperature sensor.
  • the electrically conductive layer of the contacting system and / or the heating layer of the heating element contain at least a portion of one or more thermoplastics. Accordingly, for the production of the contacting system, the electrically conductive layer can be melted and connected by pressurization with the metallic conductor and the carrier material. Furthermore, a bond between the contacting system and the heating layer of the heating element can be produced by the aforementioned method step. In this case, the electrically conductive layer of the contacting system and / or the heating layer of the heating element is melted and joined the two sheet-like elements under pressure to a cohesive composite. This can be realized, for example, by ironing.
  • the mechanical strength of the heating element can be additionally increased by sewing the contacting system with the heating layer.
  • Fig. 1 shows a perspective view of an embodiment of the contact system according to the invention produced.
  • an electrically conductive layer 1 is arranged on the underside of the contacting system.
  • a carrier material 2 is arranged on the upper side of the contacting system.
  • a metallic conductor 3 is arranged between these two layers.
  • the electrically conductive layer 1 has a flexible, electrically conductive, polymer-based film.
  • the carrier material 2 may consist of a textile or leather layer, a spunbonded fabric or the like.
  • the metallic conductor 3 is a wire or a stranded wire in the exemplary embodiment shown. However, the metallic conductor 3 may also consist of a wire mesh, a wire mesh, a metal spun or the like.
  • Fig. 2 shows a cross section through the in Fig. 1 shown contacting system. This illustration further clarifies the basic structure of the contacting system according to the invention.
  • Fig. 3 shows a perspective view of an embodiment of the heating element according to the invention seen from obliquely above.
  • a heating layer 4 On the underside of the heating element is a heating layer 4.
  • the contacting system consists - from bottom to top - of an electrically conductive layer 1, a metallic conductor 3 and a substrate 2.
  • the electrically conductive film can be dissolved or swollen by organic solvents. In this state, the contacting system can then be applied to the heating layer 4.
  • a particularly flexible and secure contacting of the heating layer 4 by the electrically conductive layer 1 is realized.
  • Fig. 4 shows a cross section through the heating element Fig. 3 , As a result, the basic structure of the heating element according to the invention is illustrated once again.

Landscapes

  • Surface Heating Bodies (AREA)
  • Resistance Heating (AREA)
  • Laminated Bodies (AREA)

Claims (13)

  1. Procédé de préparation d'un système de contactage, en particulier pour le contactage électrique d'éléments chauffants sensiblement plats, avec une configuration sensiblement en forme de bande ou de surface, dans lequel le système de contactage présente un composite stratifié d'au moins les composants suivants : un matériau support (2), un conducteur métallique (3), une couche électriquement conductrice (1), et dans lequel le procédé comporte les étapes suivantes :
    - mise à disposition d'un matériau support (2),
    - mise à disposition d'un conducteur métallique (3),
    - mise à disposition d'une couche électriquement conductrice (1),
    - réalisation d'un composite entre le matériau support (2) et le conducteur métallique (3),
    - assemblage du composite et de la couche électriquement conductrice (1).
  2. Procédé selon la revendication 1, caractérisé en ce que la fabrication d'un composite entre le matériau support (2) et le conducteur métallique (3) comporte le cousage du conducteur métallique (3) sur le matériau support (2).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'assemblage du composite et de la couche électriquement conductrice (1) comporte l'amorce de dissolution, respectivement le gonflement de la couche électriquement conductrice (1) au moyen d'un solvant organique, suivis de la réalisation d'une liaison à continuité de matière.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'on met à disposition un matériau support (2) qui comporte un film réalisé le cas échéant en une matière plastique et/ou une couche de cuir, de textile ou de feutre aiguilleté et/ou un non-tissé aiguilleté ou filé et/ou un assemblage de filaments.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'on met à disposition un conducteur métallique (3) qui comporte un treillis de fils métalliques et/ou un tricot de fils métalliques en trame et/ou un tricot de fils métalliques en chaîne et/ou un ou plusieurs fils métalliques, un ou plusieurs fils rosettes, une ou plusieurs tresses métalliques plates, un ou plusieurs rubans de grilles métalliques au crochet ou une ou plusieurs guipures métalliques tissées.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'on met à disposition une couche électriquement conductrice (1) qui comporte un ou plusieurs films flexibles électriquement conducteurs à base de polymère et/ou des pigments conducteurs métalliques et/ou non-métalliques, en particulier dans laquelle la couche électriquement conductrice (1) comporte de façon prédominante des pigments conducteurs non-métalliques.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'on met à disposition une couche électriquement conductrice (1) avec une résistance spécifique d'environ 0,1 à environ 10 Ω·cm, en particulier d'environ 0,1 à environ 1 Ω·cm.
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'on met à disposition une couche électriquement conductrice (1) qui peut subir une amorce de dissolution ou un gonflement par des solvants organiques.
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'on fabrique un système de contactage comportant une sonde de température, en particulier dans lequel la sonde de température comporte un thermocouple, un thermomètre à résistance ou similaire, et dans lequel la sonde de température est disposée le cas échéant à côté du conducteur métallique (3) et/ou s'étend sensiblement parallèlement à celui-ci.
  10. Procédé pour la fabrication d'un élément chauffant avec une configuration sensiblement plate, dans lequel l'élément chauffant comporte un composite stratifié d'un système de contactage fabriqué selon l'une quelconque des revendications 1 à 9 et d'une couche chauffante (4), le procédé comportant les étapes suivantes :
    - mise à disposition d'un système de contactage à l'aide d'un procédé selon l'une quelconque des revendications 1 à 9,
    - mise à disposition d'une couche chauffante (4),
    - réalisation d'un composite entre le système de contactage et la couche chauffante (4).
  11. Procédé selon la revendication 10, caractérisé en ce que la fabrication d'un composite entre le système de contactage et la couche chauffante (4) comporte l'amorce de dissolution, respectivement le gonflement de la couche électriquement conductrice (1) du système de contactage au moyen d'un solvant organique, suivis de la réalisation d'une liaison à continuité de matière.
  12. Procédé selon la revendication 10 ou 11, caractérisé en ce que la réalisation d'une liaison entre le système de contactage et la couche chauffante (4) comporte en plus une liaison par obstacle, en particulier par cousage.
  13. Procédé selon l'une quelconque des revendications 10 à 12, caractérisé en ce que l'on met à disposition une couche chauffante (4) qui comporte un ou plusieurs films, respectivement couches, conducteurs de l'électricité, à base de polymère, et/ou une ou plusieurs couches de textiles conducteurs, de fibres de carbone ou de mélanges de fibres de carbone et de tissus supports, la couche chauffante (4) étant le cas échéant configurée flexible, et qui présente en particulier une flexibilité dans toutes les directions de la surface.
EP07722015A 2006-03-21 2007-03-09 Système de mise en contact, élément de chauffage et production d'un système de mise en contact et d'un élément de chauffage Active EP2000005B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006013315 2006-03-21
DE102006016861A DE102006016861A1 (de) 2006-03-21 2006-04-07 Kontaktierungssystem, Heizelement und Herstellung eines Kontaktierungssystems und eines Heizelements
PCT/DE2007/000440 WO2007110031A2 (fr) 2006-03-21 2007-03-09 Système de mise en contact, élément de chauffage et production d'un système de mise en contact et d'un élément de chauffage

Publications (2)

Publication Number Publication Date
EP2000005A2 EP2000005A2 (fr) 2008-12-10
EP2000005B1 true EP2000005B1 (fr) 2010-07-14

Family

ID=38434802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07722015A Active EP2000005B1 (fr) 2006-03-21 2007-03-09 Système de mise en contact, élément de chauffage et production d'un système de mise en contact et d'un élément de chauffage

Country Status (4)

Country Link
EP (1) EP2000005B1 (fr)
AT (1) ATE474435T1 (fr)
DE (2) DE102006016861A1 (fr)
WO (1) WO2007110031A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015113921A1 (de) 2015-08-21 2017-02-23 K.L. Kaschier- Und Laminier Gmbh Materialbahn und Heizelement
DE102021112839B3 (de) 2021-05-18 2022-06-09 Ntt New Textile Technologies Gmbh Verfahren zur Herstellung einer Verbindung zwischen einer Elektrode und einem elektrischen Leiter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7104860U (de) * 1971-11-04 Farbwerke Hoechst Ag Elektrisch heizbares textiles Gebilde
US3424362A (en) * 1964-12-18 1969-01-28 Templeton Coal Co Apparatus for making heating element
FR2578377B1 (fr) * 1984-12-26 1988-07-01 Aerospatiale Element chauffant de dispositif de degivrage d'une structure alaire, dispositif et son procede d'obtention
DE3637978A1 (de) * 1986-11-07 1988-05-19 Achim Dassow Heizbare bandage
US5023433A (en) * 1989-05-25 1991-06-11 Gordon Richard A Electrical heating unit
DE4101290C2 (de) * 1991-01-17 1994-11-03 Ruthenberg Gmbh Waermetechnik Elektrisches Flächenheizelement
GB2285729B (en) * 1993-12-24 1997-10-22 British Tech Group Int Electrically conductive resistance heater
US6974935B2 (en) * 1998-12-04 2005-12-13 Inditherm Plc Electrical connection

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015113921A1 (de) 2015-08-21 2017-02-23 K.L. Kaschier- Und Laminier Gmbh Materialbahn und Heizelement
EP3139701A1 (fr) 2015-08-21 2017-03-08 K.L. Kaschier- und Laminier GmbH Bande de materiau et element de chauffage
DE102021112839B3 (de) 2021-05-18 2022-06-09 Ntt New Textile Technologies Gmbh Verfahren zur Herstellung einer Verbindung zwischen einer Elektrode und einem elektrischen Leiter
EP4092692A1 (fr) 2021-05-18 2022-11-23 NTT New Textile Technologies GmbH Procédé d'établissement d'une connexion entre une électrode et un conducteur électrique

Also Published As

Publication number Publication date
WO2007110031A3 (fr) 2007-11-29
DE502007004398D1 (de) 2010-08-26
EP2000005A2 (fr) 2008-12-10
WO2007110031A2 (fr) 2007-10-04
DE102006016861A1 (de) 2007-09-27
ATE474435T1 (de) 2010-07-15

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