WO2005108222A1 - バリア性容器及びバリア性容器の製造法 - Google Patents
バリア性容器及びバリア性容器の製造法 Download PDFInfo
- Publication number
- WO2005108222A1 WO2005108222A1 PCT/JP2005/008161 JP2005008161W WO2005108222A1 WO 2005108222 A1 WO2005108222 A1 WO 2005108222A1 JP 2005008161 W JP2005008161 W JP 2005008161W WO 2005108222 A1 WO2005108222 A1 WO 2005108222A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- barrier
- resin
- layer
- resin composition
- 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.)
- Ceased
Links
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
- B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
- B65D1/0215—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features multilayered
-
- 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
- B65D2501/00—Containers having bodies formed in one piece
- B65D2501/0009—Bottles or similar containers with necks or like restricted apertures designed for pouring contents
- B65D2501/0081—Bottles of non-circular cross-section
-
- 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
- B65D2501/00—Containers having bodies formed in one piece
- B65D2501/0009—Bottles or similar containers with necks or like restricted apertures designed for pouring contents
- B65D2501/009—Necks of non-circular cross-section
Definitions
- the present invention relates to a barrier container that has excellent barrier properties and can store contents, such as foods, which are easily degraded when exposed to outside air, for a good period of time, and a method for producing a barrier container.
- a wrapping paper container for storing beverages such as milk, juice, and mineral water is obtained from a web-shaped laminated packaging material having a fold line and a printed external design.
- the laminated packaging material When noria property is required, the laminated packaging material usually has a thermoplastic resin innermost layer (polyethylene resin layer), an aluminum foil layer of a barrier layer, a paper layer, and a polyethylene resin outermost layer.
- a thermoplastic resin innermost layer polyethylene resin layer
- an aluminum foil layer of a barrier layer aluminum foil layer of a barrier layer
- a paper layer a polyethylene resin outermost layer.
- the container obtained with the Noria laminated packaging material lacks the shape and design flexibility of functional members such as a lid and a spout.
- the extrusion molding method can be used for the production of various molded products such as rod-shaped or tubular molded products, film-shaped or sheet-shaped molded products, and bonding with paper, metal foil, and resin film. Therefore, it is very widely used in the manufacture of molded products, including the manufacture of barrier containers.
- the melt properties of the barrier layer and the other constituent layers of the laminate do not match.
- the resin layer serving as the noria layer cannot exhibit barrier properties unless it has a certain thickness, so that the noria layer of the noria container becomes considerably thick. Lack of shape and design flexibility of functional members such as lids and spouts.
- the laminated packaging material 5 from the packaging material reel 51 is cut into a predetermined shape to obtain a container blank 1 in which the container is vertically sealed in the vertical direction of the container, and the lid portion of the Bruntas is injected.
- the food is also filled by the filling means 54 and the bottom is sealed to obtain the final container 55, formed by 53, the opening force of the bottom of the bluntus.
- Patent Document 1 JP-A-2003-11976
- Patent Document 2 Japanese Patent Application Laid-Open No. 2001-192070
- Patent Document 3 JP-A-2002-38399
- the injection molding method for integrally molding the container functional member into the container body usually uses a low-density polyethylene resin which is inexpensive and has excellent moldability into a complicated shape and excellent design flexibility. RU There is an inconvenience that low density polyethylene resin does not have noria.
- An object of the present invention is to use a resin which is inexpensive and has excellent moldability into a complex shape for injection molding, and can impart a noria property even to a portion having a complex shape, and has a thin force.
- An object of the present invention is to provide a barrier container capable of forming a thick noria layer and a method for producing the barrier container.
- the barrier container of the present invention is a container comprising a container body molded from a web-like barrier packaging material, and a container functional member molded by injection molding of a thermoplastic resin.
- the functional member is characterized in that a noria layer made of the resin composition is laminated by spraying a coating liquid having a barrier resin composition strength.
- the web-like barrier packaging material is a laminate comprising at least an outermost resin layer, a paper layer, a barrier layer, and an innermost resin layer.
- the thermoplastic resin of the container functional member is a polyolefin resin having no or low barrier properties.
- the barrier resin composition is a resin composition having an inorganic layered compound.
- the method for producing a barrier container of the present invention comprises a container main body molded from a web-like barrier packaging material and a container functional member integrally molded into the container main body by thermoplastic resin injection molding.
- a method of manufacturing a container comprising:
- activation of the surface of the container functional member is performed by a flame treatment or a plasma treatment.
- the sprayed coating liquid is
- the protective layer formed on the surface of the barrier layer is cured by ultraviolet irradiation.
- the barrier container of the present invention is a container comprising a container body molded from a web-like barrier packaging material and a container functional member molded by injection molding of a thermoplastic resin, wherein the container A barrier layer composed of the resin composition is laminated on the surface of the functional member by spraying a coating liquid having a barrier resin composition strength.
- the coating liquid composed of the noria resin composition is applied in the form of a spray, it can be uniformly and thinly laminated even on surfaces with complex shapes with many irregularities and protrusions to obtain an excellent barrier layer. be able to.
- the web-like barrier packaging material comprises at least an outermost resin layer and a paper layer. And a laminate comprising a barrier layer and an innermost resin layer.
- the container main body has a relatively simple shape such as a brick shape, a cylindrical shape, and a prism shape.
- An inexpensive noria container can be obtained by using the container body as a web-like barrier packaging material of a laminate comprising at least an outermost resin layer, a paper layer, a barrier layer, and an innermost resin layer. .
- the thermoplastic resin of the container functional member is a polyolefin resin having no or low noria property, so that it can be molded at low cost and in a complicated shape using injection molding. .
- the barrier resin composition is a resin composition having an inorganic layered compound, it is possible to form a noria layer having excellent noria properties and a thin layer thickness.
- the method for producing a barrier container of the present invention comprises a container main body molded from a web-like barrier packaging material and a container functional member integrally molded into the container main body by thermoplastic resin injection molding.
- a protective layer is formed on the surface of the barrier layer having the above-mentioned resin composition strength, so that a resin which is inexpensive and has excellent moldability into a complicated shape can be injected. It can be used in molding, can impart barrier properties even to the surface of a part having a complicated shape, and can form a non-reactive layer with a small thickness.
- the activation of the surface of the container functional member is performed by a heat treatment or a plasma treatment.
- a heat treatment or a plasma treatment can form a highly reliable barrier layer without peeling
- the sprayed coating liquid is formed of a resin composition having an inorganic layered compound, and is cured by infrared irradiation to quickly form a barrier layer, so that a barrier container can be efficiently formed. Can be manufactured.
- the protective layer formed on the surface of the barrier layer is cured by irradiation with ultraviolet light, so that the barrier provided on the partial surface having a complicated shape is provided.
- the layer is covered with a protective layer, and burr caused by external factors in the distribution process It is possible to reduce damage to the layer.
- FIG. 1 shows a perspective view and a partial cross-sectional view of an embodiment of the barrier container of the present invention.
- the container comprises a container body 1 formed by molding a web-like barrier packaging material, and a lid 2 of a container functional member formed by injecting a thermoplastic resin by an injection molding method.
- a Noria layer 3 is laminated on the surface of the container functional member by spraying a coating liquid comprising a Noria resin composition.
- the web-like barrier packaging material of the container body 1 is composed of the outermost resin layer 4, the paper layer 5, the adhesive layer 6, the Noria layer 7 such as aluminum foil and barrier resin, and the innermost resin layer 8. It is a laminate.
- thermoplastic resin of the lid 2 of the container functional member molded by the injection molding method is a polyolefin resin having no or low noria, preferably low-density polyethylene. In FIG. 1, it corresponds to the resin layer 9.
- the barrier resin composition is a resin composition having an inorganic layered compound.
- the aspect ratio of the inorganic layered compound in this embodiment is preferably in the range of 50 to 5,000, more preferably in the range of 200 to 3,000.
- the above resin composition preferably contains a high hydrogen bonding resin.
- the weight ratio of the inorganic layered compound to the high hydrogen bonding resin is in the range of (1Z100) to (100Zl), and (1/20) to (10
- the high hydrogen-bonded resin preferably has a molar percentage of hydrogen-bonded groups or ionic groups per unit weight of the resin of 30% or more and 50% or less.
- the high hydrogen bonding resin is, specifically, a polybutyl alcohol and a modified product thereof, or a polysaccharide, or an ethylene butyl alcohol copolymer and a modified product thereof.
- the inorganic layered compound is an inorganic compound in which unit crystal layers are stacked on each other to have a layered structure.
- the particle size is 5 m or less, and the aspect ratio is 50 or more and 5,000 or less for barrier properties, and more preferably the aspect ratio is 200 to 3000. It is.
- the particle size of the inorganic layered product is a particle size obtained by a diffraction Z scattering method in a dispersion medium.
- the inorganic layered compound examples include graphite, phosphate derivative-type compounds (such as zirconium phosphate compound), chalcogenide compounds, and clay minerals.
- a clay mineral having swelling and cleavage properties in a dispersion medium is preferable.
- examples of clay minerals include kaolinite, dateskite, nacrite, halloysite, antigolite, chrysotile, neurophilite, montmorillonite, noiderite, nontronite, sabonite, sauconite, stevensite, hectorite, and tetrasilyl mycelite. , Sodium teolite, muscovite, margarite, talc, vermiculite, phlogopite, zansophyllite, chlorite and the like.
- the resin contained in the coating liquid is, for example, polyolefin resin, polyester resin, amide resin, acrylic resin, styrene resin, acrylonitrile resin, cellulose resin. , Halogen-containing resin, hydrogen-bonding resin, liquid crystal resin, polyphenylene oxide resin, polymethylene oxide resin, polycarbonate resin, polysulfone resin, polyethersulfone resin, polyetheretherketone resin, etc.
- polyolefin resin for example, polyolefin resin, polyester resin, amide resin, acrylic resin, styrene resin, acrylonitrile resin, cellulose resin.
- Halogen-containing resin hydrogen-bonding resin
- liquid crystal resin polyphenylene oxide resin, polymethylene oxide resin, polycarbonate resin, polysulfone resin, polyethersulfone resin, polyetheretherketone resin, etc.
- Examples of preferred ⁇ there is a high hydrogen-bonding ⁇ , and specific examples thereof, example, poly Bulle alcohol, Bulle alcohol fraction force S40 mol 0/0 or more Echirenbi - alcohol copolymer, Polysaccharides, polyacrylic acid and its esters, sodium polyatalylate, polysulfonic acid, sodium polysulfonate, polyethyleneimine, polyarylamine and its quaternary ammonium salt, polybutylthiol, polyglycerin, etc. .
- polybutyl alcohol and polysaccharide are more preferred.
- Polyvinyl alcohol is, for example, a polymer obtained by hydrolyzing or saponifying an acetate portion of a vinyl acetate polymer (that is, a copolymer of vinyl alcohol and vinyl acetate), a vinyl trifluoroacetate polymer, Examples thereof include polymers obtained by saponifying a formic acid formate polymer, a vivalic acid polymer, a t-butyl vinyl ether polymer, a trimethylsilyl vinyl ether polymer, and the like. It can be used in combination with other mixable resin conjugates. Examples of such a resin include polyacrylic acid or esters thereof, polyester resin, polyurethane resin, polyamide resin, epoxy resin, melamine resin, and others. .
- polysaccharide examples include cellulose and cellulose derivatives such as hydroxymethylcellulose, hydroxyethylcellulose and carboxymethylcellulose, amylose, amycin pectin, pullulan, curdlan, xanthan, chitin, chitosan and the like.
- the coating liquid is a liquid in which the above-described inorganic layered compound and resin are dispersed or dissolved in a dispersion medium.
- a liquid that swells or cleaves the inorganic layered product described above is preferable.
- the composition ratio of the inorganic layered compound and the resin in the coating liquid is not particularly limited, but generally, the weight ratio of the inorganic layered compound and the resin (inorganic layered compound Z resin)
- the method for producing a barrier container of this embodiment comprises a container main body molded from a web-like barrier packaging material and a container functional member integrally molded into the container main body by thermoplastic resin injection molding. This is a method for manufacturing a container.
- the web-shaped barrier packaging material 5 from the packaging material reel 51 is cut into a predetermined shape, and a container blank (container main body) 1 vertically sealed in the container longitudinal direction is obtained as shown in FIG.
- the lid 2 of the member is formed by injection 53 and the opening force at the bottom of the bluntas is filled with foodstuff by filling means 54 and the bottom is sealed to obtain the final container 55.
- the surface of the lid 2 of the final container 55 is activated, and the activated surface is sprayed with a coating liquid comprising a barrier resin composition to form a lamination of the noria layer. Form a protective layer.
- the activation of the surface of the container functional member is performed by a flame treatment or a plasma treatment, so that the thin barrier layer applied to the surface of the complicated shape portion is firmly bonded to the laminated surface, A highly reliable barrier layer without peeling can be formed.
- Corona treatment, flame plasma treatment, ozone treatment, electron A line irradiation treatment and an anchor treatment may be performed between each layer.
- the sprayed coating liquid is made of a resin composition having an inorganic layered compound, and is cured by infrared irradiation to quickly form a barrier layer, and if necessary, forms on the surface of the barrier layer.
- the formed protective layer can be cured by ultraviolet irradiation.
- the present invention is not limited to the above-described embodiment, but can be variously modified based on the gist of the present invention, and they are not excluded from the scope of the present invention.
- the method for producing a noria container and a barrier container of the present invention can produce packaging containers for beverages such as milk, juice, and mineral water, and liquid foods.
- FIG. 1 is a schematic view showing a perspective view and a partial cross section of a barrier container according to one embodiment of the present invention.
- FIG. 2 is a schematic view of an apparatus for manufacturing a barrier container according to one embodiment of the present invention.
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006512977A JPWO2005108222A1 (ja) | 2004-05-07 | 2005-04-28 | バリア性容器及びバリア性容器の製造法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-138269 | 2004-05-07 | ||
| JP2004138269 | 2004-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005108222A1 true WO2005108222A1 (ja) | 2005-11-17 |
Family
ID=35320134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/008161 Ceased WO2005108222A1 (ja) | 2004-05-07 | 2005-04-28 | バリア性容器及びバリア性容器の製造法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPWO2005108222A1 (ja) |
| WO (1) | WO2005108222A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7208039B2 (en) | 2001-09-07 | 2007-04-24 | Imerys Pigments, Inc. | Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness |
| US7413601B2 (en) | 2000-08-17 | 2008-08-19 | Imerys Pigments, Inc. | Kaolin products and their use |
| US7442281B2 (en) | 2000-08-17 | 2008-10-28 | Imerys Minerals Limited | Kaolin products and their production |
| WO2018124171A1 (ja) * | 2016-12-27 | 2018-07-05 | 凸版印刷株式会社 | 筒状容器およびその製造方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001192070A (ja) * | 2000-01-07 | 2001-07-17 | Haruhiko Watanabe | ガスバリヤ層を有する包装体 |
-
2005
- 2005-04-28 JP JP2006512977A patent/JPWO2005108222A1/ja not_active Withdrawn
- 2005-04-28 WO PCT/JP2005/008161 patent/WO2005108222A1/ja not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001192070A (ja) * | 2000-01-07 | 2001-07-17 | Haruhiko Watanabe | ガスバリヤ層を有する包装体 |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7413601B2 (en) | 2000-08-17 | 2008-08-19 | Imerys Pigments, Inc. | Kaolin products and their use |
| US7442281B2 (en) | 2000-08-17 | 2008-10-28 | Imerys Minerals Limited | Kaolin products and their production |
| US7208039B2 (en) | 2001-09-07 | 2007-04-24 | Imerys Pigments, Inc. | Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness |
| US7214264B2 (en) | 2001-09-07 | 2007-05-08 | Imerys Pigments, Inc. | Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness |
| US7226005B2 (en) | 2001-09-07 | 2007-06-05 | Imerys Pigments, Inc. | Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness |
| WO2018124171A1 (ja) * | 2016-12-27 | 2018-07-05 | 凸版印刷株式会社 | 筒状容器およびその製造方法 |
| CN110088006A (zh) * | 2016-12-27 | 2019-08-02 | 凸版印刷株式会社 | 筒状容器及其制造方法 |
| JPWO2018124171A1 (ja) * | 2016-12-27 | 2019-10-31 | 凸版印刷株式会社 | 筒状容器およびその製造方法 |
| CN110088006B (zh) * | 2016-12-27 | 2022-05-06 | 凸版印刷株式会社 | 筒状容器及其制造方法 |
| JP7259330B2 (ja) | 2016-12-27 | 2023-04-18 | 凸版印刷株式会社 | 筒状容器およびその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2005108222A1 (ja) | 2008-03-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW539617B (en) | Multi-layer resin/paper laminate structure containing at least a polymer/nanoclay composite layer and packaging materials made thereof | |
| ES2401410T3 (es) | Laminado de envasado, método para fabricar el laminado de envasado, y recipiente de envasado producido a partir de él | |
| KR101211942B1 (ko) | 종이 용기 | |
| EP3526037B1 (en) | Polymer barrier laminate tube for container | |
| WO2003093009A3 (en) | Barrier laminate structure for packaging beverages | |
| CN101001748B (zh) | 聚合物膜、包含聚合物膜的包装层压板、由聚合物膜形成的包装容器以及生产聚合物膜的方法 | |
| EP3214006B1 (en) | Bioplastic collapsible dispensing tube | |
| CN107708994A (zh) | 层叠体、包装袋、带口塞的包装袋和装有富氢水的带口塞的包装袋 | |
| WO2003026889A1 (fr) | Materiau d'emballage pour recipient facile a ouvrir | |
| CN103619577A (zh) | 材料组合物、层压管及其制造方法 | |
| US20060032866A1 (en) | Plastic dispensing container having reduced moisture penetration and method for same | |
| KR20050058386A (ko) | 무기층형 화합물 분산액, 그 제조 방법 및 그 용도 | |
| JPWO2005108222A1 (ja) | バリア性容器及びバリア性容器の製造法 | |
| JP4155426B2 (ja) | 紙容器用包材 | |
| ES2683216T3 (es) | Método de formación de material de envasado, material de envasado y utilización del mismo | |
| JPH10146924A (ja) | 積層材、およびそれを使用したラミネ−トチュ−ブ容器 | |
| WO2007007700A1 (ja) | 包装容器、インナーテープの製造方法及び容器用インナーテープ | |
| JP2008087829A (ja) | 成形包装体用多層シート、成形包装体及びその製造方法 | |
| JP4155982B2 (ja) | 液体注出ノズル、およびそれを用いた包装袋 | |
| JP2016159916A (ja) | 包装容器用シーリングテープ及び包装容器 | |
| JP7102853B2 (ja) | 潤滑層形成能を有する表面を備えたフィルム | |
| CZ20021486A3 (cs) | Vrstvený obalový materiál a způsob jeho výroby | |
| WO2006067963A1 (ja) | ストリップテープ製造方法及び容器用ストリップテープ | |
| JP7357558B2 (ja) | 多層構造体並びに前記多層構造体を備える包装材、真空包装袋及び真空断熱体 | |
| JP7357559B2 (ja) | 多層構造体並びに前記多層構造体を備える包装材、真空包装袋及び真空断熱体 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| WWE | Wipo information: entry into national phase |
Ref document number: 2006512977 Country of ref document: JP |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
| 122 | Ep: pct application non-entry in european phase |