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EP1188686B1 - Système biocide de protection de surface - Google Patents

Système biocide de protection de surface Download PDF

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Publication number
EP1188686B1
EP1188686B1 EP00119689A EP00119689A EP1188686B1 EP 1188686 B1 EP1188686 B1 EP 1188686B1 EP 00119689 A EP00119689 A EP 00119689A EP 00119689 A EP00119689 A EP 00119689A EP 1188686 B1 EP1188686 B1 EP 1188686B1
Authority
EP
European Patent Office
Prior art keywords
coating agent
container
biocide
biocide layer
storage system
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
EP00119689A
Other languages
German (de)
English (en)
Other versions
EP1188686A1 (fr
Inventor
Michael Ostendorf
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.)
Jw Ostendorf & Co Kg GmbH
Original Assignee
Jw Ostendorf & Co Kg GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jw Ostendorf & Co Kg GmbH filed Critical Jw Ostendorf & Co Kg GmbH
Priority to DE20016139U priority Critical patent/DE20016139U1/de
Priority to DK00119689T priority patent/DK1188686T3/da
Priority to DE50006341T priority patent/DE50006341D1/de
Priority to AT00119689T priority patent/ATE265969T1/de
Priority to EP00119689A priority patent/EP1188686B1/fr
Publication of EP1188686A1 publication Critical patent/EP1188686A1/fr
Application granted granted Critical
Publication of EP1188686B1 publication Critical patent/EP1188686B1/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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/245—Internal membrane, floating cover or the like isolating the contents from the ambient atmosphere
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/28—Applications of food preservatives, fungicides, pesticides or animal repellants

Definitions

  • the invention relates to a container system consisting of one with a Filling coating agents and one side in particular with a lid closable container.
  • the invention further relates to a method for Container filling.
  • coating agents For the purposes of the invention, the term coating agents to understand coating materials, which are preferably liquid or pasty are formed and applied to a surface, with a coating protective, decorative and / or other specific properties. Paints, preferably emulsion paints, may be mentioned as examples.
  • Container systems of the generic type are in themselves from the prior art Technology known and are used in practice on a large scale.
  • the mostly cylindrical or oval-shaped, bucket-shaped containers are made by closed a lid clamped on the edge.
  • the Containers on a bracket and are provided with information carriers which the necessary information about the container content is arranged.
  • coating agents have a limited shelf life. Depending on the type of Coating agents can work pretty soon after manufacture Signs of aging, chemical changes or other Conversions take place that are appropriate use conflict. In particular, the germination and / or fungal growth of the coating agent is a significant problem.
  • Coating agents are usually used directly after their manufacture provided container filled. This usually happens at a temperature above room temperature. After the container has been capped, it happens then inside the container due to the temperature difference between the filled coating agent and the room temperature Condensation inside the tank. The condensate water forms thereby from the lid side and drips onto the surface of the one in the container Coating agent down. As a result, the surface of the Coating agent pools of condensation, which in particular dimensions a breeding ground for germs due to germs and / or bacteria form. Possible consequences of such germs are in addition to a spotty, unsightly appearance of the visible surface of the coating agent Spoilage, d. H. "Overturning", the coating agent, what one prevented use according to needs. Even with a correspondingly large Bacteria formation and / or fungal health damage, especially allergic reactions, not for the processing staff be excluded.
  • biocides includes all substances understand the bacteria and / or germicidal effect and more Stop growth.
  • the prior art provides for coating agents before filling the container with an appropriate amount of biocidal substances to mix and the resulting mixture into the container fill.
  • biocidal substances opens up the possibility at least an initial contamination and / or fungal growth of the Avoid coating agent.
  • the concentration of the biocide is at the possible thinning in the near-surface area of the coating agent align. This means that the coating agent in such an amount To add biocide is that even with a maximum dilution Such high bacteria and / or germicidal in the surface area Effect is guaranteed that there is no germ and / or in the area near the surface Fungus can occur.
  • the addition of such amounts of biocide is especially in terms of environmental compatibility and harmful effects for the processing staff of considerable Disadvantage.
  • bacteria and / or germicidal substances usually have one biting or pungent smell that is in no way pleasant and is sales-promoting. It is to prevent such an odor nuisance therefore required to add additional fragrances to the coating agent, depending on the odor result to be achieved can be very expensive.
  • the object of the invention is to provide a container system which avoids the above-mentioned disadvantages and in which, despite the use of only small amounts of biocides, it effectively prevents contamination and / or fungal growth of the coating agent filled into the container becomes.
  • the invention proposes that the surface of the coating agent filled into the container is provided on the cover side with a bacterial and / or germicidal biocide layer.
  • the core idea of technical teaching is therefore the formation of a biocide layer, which after filling the coating agent into the container on the Surface of the coating agent is applied so that a kind of protective film is formed, the coating agent before germination and / or Fungus protects.
  • a biocide layer essential advantage achieved that it is sufficient for achieving Biocide effect compared to the prior art far fewer biocides requirement. This is particularly against the background of improved environmental and Health tolerance is an advantage.
  • the container system according to the invention advantageously opens the Possibility of a much longer shelf life.
  • the surface area of the Coating agent is applied immediately after the coating agent has been filled locally with an increased dose of biocidal substances, so that a Germination and / or fungal growth in the area close to the surface is effective is prevented. A dilution of the effective layer of the coating agent close to the surface counteracted. It is different from what is known from the prior art now for an effective control of germs, bacteria and fungi no longer required the entire amount of coating agent with large To move quantities of biocide substances, rather a biocide layer is provided above the coating agent filled into the container in one Training concentration that the amount of maximum accruing Condensation can be trapped.
  • the container system according to the invention therefore advantageously offers the Possibility to use bacteria and / or germicidal substances altogether reduce.
  • the most vulnerable zone of the coating material namely the edge zone near the surface, provided with a biocide layer.
  • the amount of Biocidal substances are dimensioned such that even with a large Dilution by dripping condensate a bacteria and / or germicidal effect is fully maintained.
  • the biocidal substances also get into by diffusion Areas of the coating agent remote from the surface. This is advantageously done a concentration balance is ensured, so that after some time of storage the coating agent is essentially the same in all areas Has concentration of bacteria and / or germicidal substances.
  • the biocide layer forming substances are water soluble. This is advantageous in that the after filling the coating agent into the container Can mix condensed water with the biocidal substances. In this way a biocide-water mixture is created, which with increasing storage time in surface areas of the coating agent can diffuse.
  • the amount of biocidal substances is determined by the initial concentration chosen that the maximum amount of possibly occurring Condensed water only causes such a dilution of the biocidal substances can not impair the bacterial and / or germicidal effect becomes.
  • the biocide layer in a average thickness is applied, which is ⁇ 2 mm.
  • the biocide layer had an average thickness of approximately 0.06 mm having.
  • the invention is used to form the layer structure according to the invention also proposed a method for filling the container. Is provided with this process, that the container first in a first process step filled with a coating agent and then the surface of the Coating agent on the lid side with a bacteria and / or before an initial capping germicidal biocide layer is provided. This will in Comparison to the prior art with the method according to the invention Mixing of coating agents and biocidal substances with essential reduced amounts of biocide. First, according to the invention the coating agent, which contains only small amounts of preservatives in the form of biocides, filled in the container before this then covered with a protective layer of biocide.
  • the biocide layer represents one very thin film, which is the cover-side surface of the coating material covers.
  • the Biocide layer is applied in liquid form. This happens in a preferred way Way by spraying.
  • the application by means of spraying has so far turned out to be turned out to be particularly suitable as the spray that forms has finely divided droplets and therefore does not form large areas Laughter can come up, as would be the case if the biocide layer was not in finely distributed, but would only be applied in the form of drops.
  • the biocide layer apply under pressure. It is therefore proposed that it is biocidal pressurizing substances and using a carrier medium sprayed under pressure. In this way a very fine distribution is achieved which is the surface to be sprayed into the container Coating agent wetted like a thin film. As a carrier medium Compressed air is particularly suitable.
  • the order a biocide layer is computer controlled.
  • the order of a Biocide layer takes place depending on both the amount of the filled Coating agent as well as depending on the overall size of the wetting surface. These sizes can vary, so it's beneficial is to have preset procedures carried out under computer control, so that a reproducible, equally good order result can always be achieved. Above all, it is in the context of environmental and health protection highly desirable to have an unwanted overdose avoid biocidal substances. In particular through a verifiable Computer control, this can be guaranteed.
  • a spray device for performing the method according to the invention has a spray nozzle for a mist-like application of the later biocide layer forming biocides. Similar to a spray head, the spray nozzle can spraying pressurized biocides using a carrier medium and to be so finely distributed in a fog-like manner that on the surface of the coating agent introduced into the container has a biocide layer in Forms a thin film.
  • the spray device has a biocide reservoir, which may contain different biocides depending on the application, which are fed to the spray nozzle as required.
  • the Spray device controls, by means of which the spray parameters of the Spray nozzle are adjustable. As spray parameters are in this context Spray range, spray performance, nebulization, d. H. Droplet size and the like understand.
  • the spray parameters depend, among other things, on the spraying biocides and the spray pressure prevailing in the system. Also this can be set as required.
  • the Spray device via a pressure device.
  • This printing device exists in turn from a pressure vessel and a pressure generating device. through this pressure device becomes the one intended for spraying the biocides Carrier medium pressurized.
  • Air compressor used, which fills a pressure vessel with compressed air. As soon as the spraying process is started, the pressure vessel opens and pressurized carrier medium emerges.
  • the carrier medium is guided to the spray nozzle, whereby it enriched with appropriate biocides before exiting the spray nozzle becomes. This can be achieved either by adding biocides to the stream of Carrier medium are introduced or that that flows to the spray nozzle Carrier medium is guided past the biocide reservoir and thereby entrains appropriate amounts of biocides.
  • biocide layer is finely distributed and mist-like Form a film on the lid-side surface of the one already in the container filled coating agent is applied.
  • the only important thing is Application of a biocide layer which is effective against germs and / or Fungal growth of the coating agent even after long-term storage in derogation.
  • the spray device has an extraction system. This is in that it is advantageous in that when applying biocidal substances unintentionally into the ambient air by means of a spray device can penetrate.
  • a suction device is provided. unintentional escaping biocides can be easily extracted from the ambient air and be returned to the cycle for needs-based use.
  • the biocide layer used can consist of only one biocidal substance or from several different bacteria and / or germicides Properties having biocides.
  • the use of several Biocides, which differ in their properties from one another, are opened by Possibility to use one against different bacteria at the same time, Substances that act as germs and / or fungi in only one process step applied. This counteracts an overdose and at the same time opens the Possibility to apply a biocide layer that is highly effective combats all bacteria, germs and / or fungi to be killed.
  • the biocide layer contains according to the invention, the following ingredients: isothiazolone and / or bronopol and / or dimethylol urea and / or formaldehyde. Furthermore, the Biocide layer preserving properties. The storage stability can therefore can be increased and also the unwanted infestation by germs, bacteria or mushrooms effectively prevented.
  • Fig. 1 shows a schematic side view of an inventive Container system.
  • This consists of a with a coating agent 4, For example, dispersion paint, filled and with a cover on one side 3 sealed container 2.
  • Coating agent 4 is on the cover side with a bacteria and / or germicide Provide biocide layer 5.
  • the biocide layer 5 applied to the surface of the coating agent 4 has an advantageous bactericidal and / or germicidal effect and thus prevents it the growth of bacterial, germ and / or fungal cultures. In this way a preservation of the coating agent 4 is achieved, which at the same time the Storage stability of the coating agent 4 increased.
  • the container system 1 can be easily carried with a handle 8 be equipped. Also on the outside of the container 2 Information carriers are arranged that the consumer or customer about Ingredients, purpose, instructions for use and the like inform.
  • Fig. 2 shows in steps a) to f) the filling process according to the inventive method.
  • Step a) shows the still empty container 2. This is positioned according to the production line and under one Spreading device 6 spent. This is shown by process step b).
  • the container 2 is filled with a coating agent 4.
  • a coating agent 4 can be, for example, a paint, preferably an emulsion paint his.
  • the amount of coating agent 4 to be applied is determined according to the size of the container 2.
  • Process step c) shows one with a coating agent 4 filled container 2.
  • the container filled with coating agent 4 into the invention Given spray device and below a spray head 7, for example a spray nozzle.
  • the spray head 7 sprays using a pressurized carrier medium, for example compressed air, biocidal substances. Due to the pressure, these are applied in a very finely distributed manner like a mist.
  • the biocides which are very finely distributed in this way, form a thin film as a further layer on the surface of the introduced into the container Coating agent 4. This compared to the level of the Coating agent very thin biocide layer 5 is denoted by 5 in FIG. 2.
  • the container 2 is closed with the lid 3.
  • Coating agent 4 Due to the fact that the placed in the container 2 Coating agent 4 a higher compared to the ambient temperature Temperature, approximately between 30 and 40 ° C, is formed due to the Cooling of the coating agent 4 to ambient temperature condensed water inside the container 2. This settles on the lid side and drips, especially under the influence of transport-related vibrations on which Biocide layer 5. As a result of this drainage of condensed water, one arises Dilution.
  • biocidal substances are such according to the present invention dimensioned that even at maximum assumed dilution by A condensate and / or germicide drips off the condensed water Effect is fully maintained. In this way the Formation of unwanted bacteria and / or fungal cultures near the surface Prevents area of the coating agent. With increasing storage time Defuses the condensed water / biocide mixture in regions of the surface remote from the Coating agent. In this way it adjusts itself to the height of the Container 2 located coating agent 4 equivalent biocide content. In this way, despite the prior art, it becomes essential lower use of biocides, a far better, undesirable Bacteria and germ-killing effect achieved, so that a total sets significantly improved preservation of the coating agent 4.
  • Fig. 3 shows a schematic illustration of a Spray device for performing the method according to the invention.
  • This consists essentially of the components pressure tank 15 and spray head 18.
  • Pressure generating device is via the main pressure line 10 and Secondary pressure line 11 compressed air to the pressure vessel 15.
  • Interposed between the secondary pressure line 11 and the pressure vessel 15 is a maintenance unit 12.
  • This maintenance unit 12 is used for the to clean incoming compressed air, especially to filter it.
  • the maintenance unit 12 has several outputs, so that both directly with the pressure vessel 15 connected pressure hose 14, as well as a with the spray head 18th connected and bypassing the pressure vessel 15 in the sense of a bypass Pressure hose 13 can be provided.
  • the maintenance unit 12 can also as first compressed air reduction unit can be used.
  • the compressed air inlet fitting 22 upstream is a reducing valve 16, which can be used to the pressure conditions prevailing at the compressed air inlet fitting 22 regulate as needed.
  • the pressure vessel 15 is filled with a biocidal substance. This can for example filled into the pressure vessel 15 via the filling funnel 17 become.
  • the compressed air flowing in via the pressure hose 14 enters the Pressure vessel 15 and transported, serving as a carrier medium, which in Pressure vessel 15 located biocide via the pressure hose 19 to the spray head 18.
  • the spray head 18 With the spray head 18, the pressurized biocide becomes mist-like finely distributed and on the surface of a container Sprayed coating agent to form a biocide film. It can both via the spray head 18 and the compressed air inlet fitting 22 and the maintenance unit 12 the outlet pressure with which the biocide is applied will be set individually. There is also the possibility of the spray head depending vary according to the application.
  • the spray head 18 either as a manually operated spraying device or as automatic controllable spray gun be formed.
  • the connections of both the Pressure hose 13 and the pressure hose 19 are designed such that the spray head 18 can be removed for maintenance and cleaning purposes, without it being necessary to depressurize the entire device turn.
  • Fig. 4 shows a partially sectioned, schematic side view of the Compressed air tank 15.
  • the inside of the Pressure pipe arranged riser pipe 20. This is outside the tank 15 connected to a material tap 21.
  • a pressure hose On the material tap 21 is a pressure hose, not shown in this figure, connected via which the the biocide emerging from the pressure vessel 15 is transported away.
  • a compressed air inlet fitting 22 For an introduction of a pressure medium in the pressure vessel 15 is a compressed air inlet fitting 22 intended.
  • This also has a manometer 23, which the currently showing pressure in the pressure vessel, and a Vent valve 24, which serves to prevail in the pressure vessel 15 Reduce pressure manually.
  • the compressed air inlet fitting also has a Pneumatic safety valve, which in an emergency, d. H. when exceeding one certain pressure, opens automatically.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Materials For Medical Uses (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (17)

  1. Système de conteneur se composant d'un récipient rempli d'un produit de revêtement et pouvant être fermé d'un côté en particulier à l'aide d'un couvercle, caractérisé en ce que la surface du produit de revêtement introduit dans le récipient est munie du côté du couvercle d'une couche de biocide détruisant les bactéries et/ou les germes.
  2. Système de conteneur selon la revendication 1, caractérisé en ce que le produit de revêtement est une peinture, de préférence une peinture à dispersion.
  3. Système de conteneur selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que les produits formant la couche de biocide sont solubles dans l'eau.
  4. Système de conteneur selon l'une quelconque des revendications 1 ou 3, caractérisé en ce que la couche de biocide contient des produits à action fongicide.
  5. Système de conteneur selon l'une quelconque des revendications précédentes, caractérisé en ce que la couche de biocide a une épaisseur moyenne ≤ 2 mm.
  6. Système de conteneur selon la revendication 5, caractérisé en ce que la couche de biocide a une épaisseur moyenne d'environ 0,06 mm.
  7. Système de conteneur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la couche de biocide contient comme biocide de l'isothiazolone et/ou du bronopol et/ou de l'urée de diméthylol et/ou du formaldéhyde.
  8. Procédé pour le remplissage du conteneur, caractérisé en ce que le récipient est rempli lors d'une première étape de procédé d'un produit de revêtement et en ce que la surface du produit de revêtement est ensuite, avant une première mise en place du couvercle, munie du côté du couvercle d'une couche de biocide ayant une action destructrice sur les bactéries et/ou sur les germes.
  9. Procédé selon la revendication 8, caractérisé en ce que la couche de biocide est appliquée sous une forme liquide.
  10. Procédé selon la revendication 9, caractérisé en ce que la couche de biocide est appliquée au moyen d'une pulvérisation.
  11. Procédé selon l'une quelconque des revendications 8 à 10, caractérisé en ce que la couche de biocide est appliquée sous l'action d'une pression en étant répartie très finement.
  12. Procédé selon l'une quelconque des revendications 8 à 11, caractérisé en ce qu'un fluide porteur est utilisé pour une application de la couche de biocide.
  13. Procédé selon l'une quelconque des revendications 8 à 12, caractérisé en ce que de l'air comprimé est utilisé comme fluide porteur.
  14. Procédé selon l'une quelconque des revendications 8 à 13, caractérisé en ce qu'avant une application de la couche de biocide plusieurs biocides de différents genres sont mélangés entre eux.
  15. Procédé selon l'une quelconque des revendications 8 à 14, caractérisé en ce qu'un mélange de biocides de genres différents est réalisé en fonction du produit de revêtement introduit dans le récipient.
  16. Procédé selon l'une quelconque des revendications 8 à 15, caractérisé en ce que l'application d'une couche de biocide est réalisée à l'aide d'une commande par ordinateur.
  17. Procédé selon l'une quelconque des revendications 8 à 16, caractérisé en ce que le produit de revêtement est introduit dans le récipient à une température d'environ 30°C à 40°C et qu'à la suite de cela la surface du produit de revêtement fait immédiatement l'objet d'une pulvérisation de biocides ayant une action destructrice sur les bactéries et/ou sur les germes afin de former une couche de biocide.
EP00119689A 2000-09-08 2000-09-08 Système biocide de protection de surface Expired - Lifetime EP1188686B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE20016139U DE20016139U1 (de) 2000-09-08 2000-09-08 Biozidisches Oberflächenschutzsystem
DK00119689T DK1188686T3 (da) 2000-09-08 2000-09-08 Biocidt overfladebeskyttelsessystem
DE50006341T DE50006341D1 (de) 2000-09-08 2000-09-08 Biozidisches Oberflächenschutzsystem
AT00119689T ATE265969T1 (de) 2000-09-08 2000-09-08 Biozidisches oberflächenschutzsystem
EP00119689A EP1188686B1 (fr) 2000-09-08 2000-09-08 Système biocide de protection de surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00119689A EP1188686B1 (fr) 2000-09-08 2000-09-08 Système biocide de protection de surface

Publications (2)

Publication Number Publication Date
EP1188686A1 EP1188686A1 (fr) 2002-03-20
EP1188686B1 true EP1188686B1 (fr) 2004-05-06

Family

ID=8169796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00119689A Expired - Lifetime EP1188686B1 (fr) 2000-09-08 2000-09-08 Système biocide de protection de surface

Country Status (4)

Country Link
EP (1) EP1188686B1 (fr)
AT (1) ATE265969T1 (fr)
DE (1) DE50006341D1 (fr)
DK (1) DK1188686T3 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0364850A1 (fr) * 1988-10-17 1990-04-25 Norton Company Conteneur étanche pour le stockage de matériaux thermoplastiques
IL88066A (en) * 1988-10-17 1994-12-29 Bromine Compounds Ltd Method for treating microorganisms on potatoes by purging with 2,2-dibromo-3-nitrilopropionamide
DE4328074A1 (de) * 1993-08-20 1995-02-23 Bayer Ag Schimmelfeste Dispersionsfarbenanstriche

Also Published As

Publication number Publication date
DK1188686T3 (da) 2004-08-16
EP1188686A1 (fr) 2002-03-20
DE50006341D1 (de) 2004-06-09
ATE265969T1 (de) 2004-05-15

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