SE504226C2 - Förpackningslaminat jämte förpackning framställd därav - Google Patents

Förpackningslaminat jämte förpackning framställd därav

Info

Publication number
SE504226C2
SE504226C2 SE9501488A SE9501488A SE504226C2 SE 504226 C2 SE504226 C2 SE 504226C2 SE 9501488 A SE9501488 A SE 9501488A SE 9501488 A SE9501488 A SE 9501488A SE 504226 C2 SE504226 C2 SE 504226C2
Authority
SE
Sweden
Prior art keywords
web
packaging laminate
packaging
layer
biodegradable
Prior art date
Application number
SE9501488A
Other languages
English (en)
Swedish (sv)
Other versions
SE9501488D0 (sv
SE9501488L (sv
Inventor
Mikael Berlin
Karin Henningsson
Original Assignee
Tetra Laval Holdings & Finance
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 Tetra Laval Holdings & Finance filed Critical Tetra Laval Holdings & Finance
Priority to SE9501488A priority Critical patent/SE504226C2/sv
Publication of SE9501488D0 publication Critical patent/SE9501488D0/xx
Priority to EP96911167A priority patent/EP0820412B1/de
Priority to ES96911167T priority patent/ES2220976T3/es
Priority to PCT/SE1996/000522 priority patent/WO1996033923A1/en
Priority to JP53242396A priority patent/JP4004540B2/ja
Priority to AU54130/96A priority patent/AU5413096A/en
Priority to DE1996632778 priority patent/DE69632778T2/de
Priority to AT96911167T priority patent/ATE269820T1/de
Publication of SE9501488L publication Critical patent/SE9501488L/xx
Publication of SE504226C2 publication Critical patent/SE504226C2/sv

Links

Classifications

    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
    • B27N7/005—Coating boards, e.g. with a finishing or decorating layer
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • 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
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/40—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to contain liquids
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/46—Applications of disintegrable, dissolvable or edible materials
    • B65D65/466—Bio- or photodegradable packaging materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/007—Manufacture of substantially flat articles, e.g. boards, from particles or fibres and at least partly composed of recycled 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
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B32B2262/067—Wood fibres
    • 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
    • B32B2307/70—Other properties
    • B32B2307/716—Degradable
    • 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
    • B32B2307/70—Other properties
    • B32B2307/716—Degradable
    • B32B2307/7163—Biodegradable
    • 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
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • 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
    • B32B2331/00—Polyvinylesters
    • B32B2331/04—Polymers of vinyl acetate, e.g. PVA
    • 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
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • 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
    • B32B2439/00—Containers; Receptacles
    • 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
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Wrappers (AREA)
  • Laminated Bodies (AREA)
  • Biological Depolymerization Polymers (AREA)
SE9501488A 1995-04-24 1995-04-24 Förpackningslaminat jämte förpackning framställd därav SE504226C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9501488A SE504226C2 (sv) 1995-04-24 1995-04-24 Förpackningslaminat jämte förpackning framställd därav
EP96911167A EP0820412B1 (de) 1995-04-24 1996-04-23 Herstellung einer mehrschichtfolie für verpackungen
ES96911167T ES2220976T3 (es) 1995-04-24 1996-04-23 Un metodo para producir un estratificado de envasar.
PCT/SE1996/000522 WO1996033923A1 (en) 1995-04-24 1996-04-23 A packaging laminate and a package produced therefrom
JP53242396A JP4004540B2 (ja) 1995-04-24 1996-04-23 パッケージ用積層材およびそれによって製造されるパッケージ
AU54130/96A AU5413096A (en) 1995-04-24 1996-04-23 A packaging laminate and a package produced therefrom
DE1996632778 DE69632778T2 (de) 1995-04-24 1996-04-23 Herstellung einer mehrschichtfolie für verpackungen
AT96911167T ATE269820T1 (de) 1995-04-24 1996-04-23 Herstellung einer mehrschichtfolie für verpackungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9501488A SE504226C2 (sv) 1995-04-24 1995-04-24 Förpackningslaminat jämte förpackning framställd därav

Publications (3)

Publication Number Publication Date
SE9501488D0 SE9501488D0 (sv) 1995-04-24
SE9501488L SE9501488L (sv) 1996-10-25
SE504226C2 true SE504226C2 (sv) 1996-12-09

Family

ID=20398045

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9501488A SE504226C2 (sv) 1995-04-24 1995-04-24 Förpackningslaminat jämte förpackning framställd därav

Country Status (8)

Country Link
EP (1) EP0820412B1 (de)
JP (1) JP4004540B2 (de)
AT (1) ATE269820T1 (de)
AU (1) AU5413096A (de)
DE (1) DE69632778T2 (de)
ES (1) ES2220976T3 (de)
SE (1) SE504226C2 (de)
WO (1) WO1996033923A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000035674A1 (en) * 1998-12-14 2000-06-22 Stora Enso Oyj Paperboard-based material

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE514845C2 (sv) * 1996-09-04 2001-04-30 Tetra Laval Holdings & Finance Biologiskt nedbrytbart förpackningslaminat, sätt att framställa förpackningslaminatet samt av förpackningslaminatet framställda förpackningsbehållare
JP3403044B2 (ja) * 1997-12-09 2003-05-06 キヤノン株式会社 包装容器
FI112624B (fi) * 1998-07-07 2003-12-31 Enso Oyj Kompostoituva pinnoitettu paperi tai kartonki, menetelmä sen valmistamiseksi sekä siitä saatuja tuotteita
US7172814B2 (en) * 2003-06-03 2007-02-06 Bio-Tec Biologische Naturverpackungen Gmbh & Co Fibrous sheets coated or impregnated with biodegradable polymers or polymers blends
GB2428628A (en) * 2005-07-14 2007-02-07 Green Light Products Ltd Multilayer material useful for packaging
CA2659280A1 (en) * 2006-07-28 2008-01-31 Alcan Packaging Flexible France Coextruded film with polylactic acid (pla) and ethylene vinyl acetate (eva)
DK200700469A (da) * 2007-03-27 2008-09-28 Stroem Michael Pressekonsolideret biokompositmateriale, fremgangsmåde til fremstilling af et sådant materiale og produkter opnået ved anvendelse af materialet
CN102149768B (zh) 2008-07-15 2016-01-20 陶氏环球技术有限责任公司 交联膜以及由该交联膜制备的制品
EP3388235B1 (de) * 2009-03-20 2023-12-20 Dow Global Technologies LLC Verfahren zur herstellung einer mehrschichtigen struktur
WO2012033998A2 (en) 2010-09-10 2012-03-15 Henkel Corporation Improved adhesive having insulative properties
US9657200B2 (en) 2012-09-27 2017-05-23 Henkel IP & Holding GmbH Waterborne adhesives for reduced basis weight multilayer substrates and use thereof
EP2990196A1 (de) * 2011-07-20 2016-03-02 Walki Group Oy Beschichtetes papier oder karton
MX2019014565A (es) 2017-07-18 2020-02-07 Henkel IP & Holding GmbH Calentamiento dielectrico de composiciones espumables.
US12157619B2 (en) 2017-08-25 2024-12-03 Henkel Ag & Co. Kgaa Process for forming improved protective eco-friendly pouch and packaging and products made therefrom
MX2020001943A (es) 2017-08-25 2020-09-28 Henkel IP & Holding GmbH Proceso para formar bolsa y empaque ecologicamente amigables protectores ecologicos y productos hechos de los mismos.
EP3527361A1 (de) 2018-02-16 2019-08-21 Henkel AG & Co. KGaA Verfahren zur herstellung eines mehrschichtigen substrats
DE102018212798A1 (de) * 2018-07-31 2020-02-06 Sig Technology Ag Flächenförmiger verbund, insbesondere zum herstellen formstabiler nahrungsmittelbehälter, beinhaltend eine polymerschicht mit einem polyester und einer scherverdünnung
EP3862182A1 (de) * 2020-02-07 2021-08-11 Danapak Flexibles A/S Doppelseitiges polymerbeschichtetes papier
CA3172544A1 (en) * 2020-06-23 2021-12-30 Henkel Ag & Co. Kgaa Protective packaging and methods of making the same
WO2023068056A1 (ja) * 2021-10-20 2023-04-27 株式会社カネカ 積層体、その製造方法、および成形体
EP4530065A4 (de) * 2022-05-23 2026-05-20 Kaneka Corp Schichtkörper, verfahren zur herstellung davon und formartikel
WO2024038797A1 (ja) * 2022-08-17 2024-02-22 株式会社カネカ 積層体の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2068368A1 (en) * 1991-05-13 1992-11-14 Masanobu Ajioka Degradable laminate composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000035674A1 (en) * 1998-12-14 2000-06-22 Stora Enso Oyj Paperboard-based material

Also Published As

Publication number Publication date
SE9501488D0 (sv) 1995-04-24
DE69632778T2 (de) 2004-11-11
ES2220976T3 (es) 2004-12-16
SE9501488L (sv) 1996-10-25
ATE269820T1 (de) 2004-07-15
EP0820412B1 (de) 2004-06-23
AU5413096A (en) 1996-11-18
DE69632778D1 (de) 2004-07-29
WO1996033923A1 (en) 1996-10-31
JPH11504271A (ja) 1999-04-20
EP0820412A1 (de) 1998-01-28
JP4004540B2 (ja) 2007-11-07

Similar Documents

Publication Publication Date Title
EP0820412B1 (de) Herstellung einer mehrschichtfolie für verpackungen
US20020127358A1 (en) Biodegradable packaging laminate, a method of producing the packaging laminate, and packaging containers produced from the packaging laminate
US6554182B1 (en) Packaging container for the cold storage of liquid foods and a method of producing the packaging container
EP0934160B1 (de) Delaminierbares verpackungslaminat und verfahren zu seiner herstellung
KR101857836B1 (ko) 레토르트 포장용 포장 재료를 생산하기 위한 방법
RU2569527C2 (ru) Разлагаемые упаковки-саше для развивающихся рынков
EP4188695A1 (de) Biologisch abbaubares papiersperrlaminat
US20060051603A1 (en) Biodegradable paper-based cup or package and production method
EP0958190B1 (de) Mehrschichtiges verpackungsmaterial, verfahren zu dessen herstellung, sowie aus diesem material hergestellter verpackungsbehälter
JP2012526006A (ja) 強化された断熱性能を備えた包装材料
JP2010536677A (ja) 軟質包装複合材料
SE516918C2 (sv) Förfarande för framställning av ett laminerat förpackningsmaterial, förpackningsmaterial som framställts enligt detta förfarande, samt förpackningar framställda av detta förpackningsmaterial
EP4019465B1 (de) Barrierebeschichtetes cellulosebasiertes substrat, laminiertes verpackungsmaterial und verpackungsbehälter mit dem cellulosebasierten substrat
JPH04336246A (ja) 分解性ラミネート紙
AU2008201776A1 (en) Corrugated paperboard
CN101102893A (zh) 可生物降解的纸基杯子或包装物及其制造方法
KR20250142713A (ko) 일회용 식품포장봉투

Legal Events

Date Code Title Description
NUG Patent has lapsed