EP4515032A1 - Biologisch abbaubares wertdokumentsubstrat - Google Patents
Biologisch abbaubares wertdokumentsubstratInfo
- Publication number
- EP4515032A1 EP4515032A1 EP23722812.7A EP23722812A EP4515032A1 EP 4515032 A1 EP4515032 A1 EP 4515032A1 EP 23722812 A EP23722812 A EP 23722812A EP 4515032 A1 EP4515032 A1 EP 4515032A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- biodegradable
- fibers
- paper
- document substrate
- layer
- 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.)
- Pending
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/29—Securities; Bank notes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/333—Watermarks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/351—Translucent or partly translucent parts, e.g. windows
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/355—Security threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/465—Associating two or more layers using chemicals or adhesives
- B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
Definitions
- the invention relates to a biodegradable value document substrate, in particular a banknote.
- WO 2004/072378 A1 proposes providing security paper with a protective layer based on a varnish.
- WO 2004/028825 A2 describes the provision of a security paper that is improved against contamination and has increased mechanical strength based on a multilayer substrate which comprises at least one paper layer and a film.
- the present invention is based on the object of overcoming the disadvantages of the prior art and of providing an improved valuable document substrate.
- the valuable document substrate should in particular ensure sustainable and environmentally friendly disposal and at the same time have a high circulation stability.
- the task is solved by the combination of features defined in the independent claim. Further developments of the invention are the subject of the dependent claims.
- Biodegradable value document substrate comprising a biodegradable paper substrate with sustainable fibers, the sustainable fibers being selected from the group consisting of natural fibers, regenerated cellulose fibers, bio-based plant polymer fibers, bio-based animal polymer fibers or a mixture of two or more of the above-mentioned elements.
- Biodegradable value document substrate according to clause 1, whereby natural fibers are selected as sustainable fibers and the natural fibers are based on a mixture comprising cotton fibers and resistant fibers, the resistant fibers preferably being from plants, selected from the group consisting of hemp, flax , fines, abaca, nettle, ramie, hops, sisal or a mixture of two or more of the above-mentioned elements.
- Biodegradable value document substrate according to clause 2, wherein the paper substrate additionally contains bio-based plant polymer fibers as sustainable fibers, the bio-based plant polymer fibers being bio-based polyamide fibers, beech wood fibers, Tencel fibers, castor fibers, polylactate fibers and/or protein fibers, whereby the protein fibers are obtained in particular from corn, peanuts, milk and/or soy.
- bio-based plant polymer fibers being bio-based polyamide fibers, beech wood fibers, Tencel fibers, castor fibers, polylactate fibers and/or protein fibers, whereby the protein fibers are obtained in particular from corn, peanuts, milk and/or soy.
- Biodegradable value document substrate according to clause 2 or 3, wherein the paper substrate additionally contains bio-based animal polymer fibers as sustainable fibers, the bio-based animal polymer fibers being based on sheep's wool, virgin Merino wool, fine cashmere goat hair and/or alpaca wool.
- Biodegradable value document substrate according to clause 2, 3 or 4, wherein the paper substrate additionally contains regenerated cellulose fibers as sustainable fibers.
- Biodegradable value document substrate according to one of clauses 2 to 5, wherein the cotton fibers have an average length and the resistant fibers have an average length, the average length of the resistant fibers being increased by an amount in a range of 10 % to 50% is higher than the average length of the cotton fibers.
- Biodegradable value document substrate according to one of clauses 1 to 6, wherein the paper substrate is a two-layer paper substrate with a first paper layer and a second paper layer, the first paper layer being based on fibers with an average length and the second paper layer being based on fibers based on an average length, the average length of the fibers of the second paper layer being higher by a certain amount than the average length of the fibers of the first paper layer, the certain amount being in particular in a range of 10% to 50%.
- Biodegradable valuable document substrate according to one of clauses 1 to 7, wherein the paper substrate additionally contains biodegradable stabilizers based on biopolymers, in particular chitosan, and/or biodegradable auxiliary substances.
- Biodegradable value document substrate according to one of clauses 1 to 8, wherein the value document substrate is a multilayer value document substrate with polymer layer/paper substrate/polymer layer structure or paper substrate/polymer layer/paper substrate structure, the polymer layer being biodegradable and is selected in particular from the group consisting of cellulose, polybutylene adipate terephthalate (BTA copolyester), polylactide (PLA), in particular biaxially oriented polylactide, polyhydroxybutyrate (PHB), or a mixture of two or more of the above-mentioned elements.
- BTA copolyester polybutylene adipate terephthalate
- PLA polylactide
- PHA polyhydroxybutyrate
- PHB polyhydroxybutyrate
- Biodegradable value document substrate according to clause 9, wherein the value document substrate is a multilayer value document substrate with a polymer layer/paper substrate/polymer layer structure and the polymer layer is in each case a film.
- Biodegradable value document substrate according to one of clauses 1 to 8, wherein the biodegradable paper substrate is provided on its two main surfaces with a biodegradable lacquer layer, the biodegradable lacquer layer being in particular from the group consisting of polysugar, lignin, Shellac, tree resin, polyvinylpyrrolidone (PVP), polyalcohol (PVA) or a mixture of two or more of the above-mentioned elements is selected.
- a biodegradable lacquer layer being in particular from the group consisting of polysugar, lignin, Shellac, tree resin, polyvinylpyrrolidone (PVP), polyalcohol (PVA) or a mixture of two or more of the above-mentioned elements is selected.
- Biodegradable valuable document substrate according to one of clauses 1 to 11, wherein the valuable document substrate has a security thread and/or a security strip and/or a security patch based on a biodegradable material and/or mottled fibers based on natural fibers.
- the invention is based on the finding that a sustainable value document substrate can be provided based on a biodegradable paper substrate containing sustainable fibers.
- the valuable document substrate according to the invention preferably consists essentially of sustainable, i.e. biodegradable, components, it being particularly preferred that the valuable document substrate consists exclusively of sustainable components.
- the paper substrate additionally contains biodegradable stabilizers based on biopolymers, in particular chitosan, and/or biodegradable auxiliary substances.
- biodegradable stabilizers based on biopolymers, in particular chitosan, and/or biodegradable auxiliary substances.
- Figure 5 shows a section along line AB of the value document substrate shown in Figure 4.
- Figure 7 shows a section along line AB of the value document substrate shown in Figure 6;
- Figure 8 shows a value document substrate according to a fifth exemplary embodiment in a top view;
- Figure 9 shows a section along line AB of the value document substrate shown in Figure 8.
- Figure 10 shows a value document substrate according to a sixth exemplary embodiment in a top view
- Figure 11 is a side view of the value document substrate shown in Figure 10.
- Figure 12 shows a cross section through a valuable document substrate according to the invention.
- FIG. 1 illustrates a biodegradable value document substrate 0 according to the invention, in the example a banknote with the denomination 20, according to a first exemplary embodiment in a top view.
- Banknote 0 contains a biodegradable paper substrate based on natural fibers as sustainable fibers.
- the sustainable fibers are a mixture comprising cotton fibers and resistant fibers, namely abaca fibers, with the average length of the abaca fibers being 20% higher than the average length of the cotton fibers.
- Banknote 0 also includes a polylactide (PLA)-based, metallized security thread (indicated by a black, solid line in the figure) and a polylactide (PLA)-based security patch (indicated by a gray area in the figure).
- FIG. 2 shows a document of value 1 according to the invention, in the example a banknote, according to a second exemplary embodiment in a top view.
- the paper layer consists of a mixture based on cotton fibers and fibers from the hemp plant as resistant fibers.
- individual security elements are already embedded in the paper, namely a portrait watermark 2 and a window security thread 3.
- the polylactide (PLA)-based, metallized security thread 3 is, so to speak, woven into the paper so that it is in the areas 3a comes directly to the surface of the paper, while it is completely embedded in the paper mass in the areas shown in dashed lines.
- PLA polylactide
- the paper layer is covered on both sides with a polylactide (PLA)-based film, with a polylactide (PLA)-based hologram strip 8 being applied to one side, namely on the inner side of the film.
- PLA polylactide
- PLA polylactide
- FIG 3 shows a section through the banknote 1 according to the invention along the dash-dotted line AB shown in Figure 2.
- the banknote 1 according to the invention consists of biodegradable paper 4 and biodegradable films 6, which, according to the embodiment shown, were laminated over the entire surface of the surface of the paper 4 using wet adhesive 5. Alternatively, only a film 6 can be applied to one side of the paper 4.
- the upper film 6 was equipped with a holgram strip 8 before being laminated.
- the upper film 6 was laminated onto the paper 4 in such a way that the strip 8 comes to rest inside the substrate composite.
- the imprint 7 was printed using the intaglio printing process.
- Figures 4 and 5 show a value document substrate 9 according to the invention, in the example a banknote, according to a third exemplary embodiment. 5 shows a section through the banknote 9 along the line AB drawn in dash-dotted lines in FIG. 4.
- the banknote 9 consists of a divided, biodegradable paper web 10, the edges 12 of which are preferably designed as deckle edges.
- Biodegradable films 13 were applied to both sides of the paper web using cold lamination and water-crosslinking adhesive.
- area 11 there is no paper layer, but only the adhesive 5 and the foils 13.
- a foil layer is equipped with a highly reflective metal strip 14 on one side.
- the feature substance can be, for example, a luminescent substance that is transparent under normal lighting and which, when irradiated with UV light, emits in the visual spectral range and thus shows an intense color.
- feature substances can also be provided that can be detected individually. Additional coding can be generated via the mixing ratio of the feature substances.
- Figures 6 and 7 show a fourth exemplary embodiment of a banknote 16 according to the invention.
- Figure 7 shows a section through the banknote 16 according to the invention along the line AB drawn in dash-dotted lines in Figure 6.
- Figure 6 shows a top view of three wide strips 17, 18, 19, each of which has a different visual appearance and is incorporated in different layers of the film/paper/film composite substrate.
- FIG. 7 shows the cross section of the banknote 16.
- the biodegradable paper layer 21 is conventionally printed with steel intaglio printing in the form of the strip 17.
- a transparent adhesive layer 20 was applied over this.
- a second, colored layer of adhesive was applied, which results in strip 18.
- the adhesive layers 18, 20 are in turn covered with a biodegradable film 22, on the inside of which there is a hologram strip 19.
- Another biodegradable film 23 was laminated on the back using the transparent adhesive 20.
- Figure 8 shows a section of the banknote 24 according to the invention, with different security features being arranged in register in different layers and resulting in the overall information “PATTERN” in combination with a two-color metallic circular ring.
- the circular ring is divided into four segments, with segments 25a being gold-colored and segments 25b being silver-colored.
- the gold and silver color is achieved, for example, by vacuum vapor deposition with copper and aluminum.
- recesses were incorporated into the metal layer in the segments 25b, namely the letter "U” on the one hand and the letter "E” on the other.
- FIG. 9 shows the section of the banknote 24 according to the invention shown in Figure 8 in cross section.
- the banknote is composed of a biodegradable paper layer 28 and two biodegradable film layers 27a, 27b, each of which is laminated on one side of the paper layer.
- a luminescent substance 29 has been introduced into the paper layer 28 in the circular area 26.
- the letters “S” and “T” were printed on the paper layer using intaglio printing, and these are located above area 26.
- the film 27b is also equipped with security features.
- the foil On the side that lies inside the layer structure, the foil was designed with gold and silver-colored metallization, for example made of aluminum and copper, in the form of a segmented circular ring. Cutouts in the shape of the letters “U” and “E” were incorporated into the silver-colored area 25b.
- the letters “M” and “R” were printed on the outer surfaces of the film 27b using the intaglio printing process.
- FIG 10 shows a banknote 30 according to the invention in a top view.
- the banknote is composed of a biodegradable paper layer 31 and two biodegradable film layers 32a, 32b, each of which is laminated on one side of the paper layer.
- the foils 32a and 32b are designed to be transparent over the entire surface.
- the paper layer 31 has two recesses 33,34 in the form of circles. Of course, any other form is also conceivable.
- the film 32a is printed with the letters “A”, “L” and “V”, which appear as mirror images when viewed from above according to FIG.
- the letters “I” and “D” are printed on the paper layer 31 approximately in the middle of the banknote.
- the printed letters complement each other to form the font "VALID".
- the fields to be placed one above the other in Figure 10 are marked with circles (solid line or dashed line).
- the complementary prints can also be more complex in nature or, with appropriate design, create moire effects and the like.
- the banknote consists of a biodegradable paper layer 41 and a biodegradable film 42, which are laminated together with three different adhesives 43, 44, 45.
- the adhesives may be of different colors or of different types.
- the adhesives 43, 44, 45 have different adhesion properties to one another, so that predetermined breaking points can be specifically incorporated into the composite and manipulations due to irreversible changes can be easily recognized.
- Biodegradable value document substrate comprising a biodegradable paper substrate with sustainable fibers, the sustainable fibers being selected from the group consisting of natural fibers, regenerated cellulose fibers, bio-based plant polymer fibers, bio-based animal polymer fibers or a mixture of two or more of the above-mentioned elements.
- Biodegradable value document substrate wherein natural fibers are selected as sustainable fibers and the natural fibers are based on a mixture comprising cotton fibers and resistant fibers, the resistant fibers preferably being made from plants, selected from the group consisting of hemp, flax, linen, abaca , nettle, ramie, hops, sisal or a mixture of two or more of the above-mentioned elements.
- Biodegradable valuable document substrate according to claim 2 wherein the paper substrate additionally contains bio-based plant polymer fibers as sustainable fibers, the bio-based plant polymer fibers being bio-based polyamide fibers, beech wood fibers, Tencel fibers, castor fibers, polylactate fibers and / or protein fibers, the protein fibers being in particular from corn, Peanut, milk and/or soy are obtained.
- bio-based plant polymer fibers being bio-based polyamide fibers, beech wood fibers, Tencel fibers, castor fibers, polylactate fibers and / or protein fibers, the protein fibers being in particular from corn, Peanut, milk and/or soy are obtained.
- Biodegradable value document substrate according to claim 2 or 3 wherein the paper substrate additionally contains bio-based animal polymer fibers as sustainable fibers, the bio-based animal poly-
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Laminated Bodies (AREA)
- Credit Cards Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022001505.6A DE102022001505A1 (de) | 2022-04-29 | 2022-04-29 | Biologisch abbaubares Wertdokumentsubstrat |
| PCT/DE2023/100304 WO2023208284A1 (de) | 2022-04-29 | 2023-04-27 | Biologisch abbaubares wertdokumentsubstrat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4515032A1 true EP4515032A1 (de) | 2025-03-05 |
Family
ID=86330728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23722812.7A Pending EP4515032A1 (de) | 2022-04-29 | 2023-04-27 | Biologisch abbaubares wertdokumentsubstrat |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4515032A1 (de) |
| CN (1) | CN119096016A (de) |
| DE (2) | DE102022001505A1 (de) |
| WO (1) | WO2023208284A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023110082A1 (de) | 2023-04-20 | 2024-10-24 | Giesecke+Devrient Currency Technology Gmbh | Biologisch abbaubares Wertdokumentsubstrat |
| DE102023118871A1 (de) | 2023-07-17 | 2025-01-23 | Giesecke+Devrient Currency Technology Gmbh | Wertdokumentsubstrat |
| CN119243411A (zh) * | 2024-09-23 | 2025-01-03 | 江苏迈思德超净科技有限公司 | 一种高吸水性能无尘纸及其制备方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10243653A1 (de) | 2002-09-19 | 2004-04-01 | Giesecke & Devrient Gmbh | Sicherheitspapier |
| DE10327083A1 (de) | 2003-02-11 | 2004-08-19 | Giesecke & Devrient Gmbh | Sicherheitspapier und Verfahren zur Herstellung desselben |
| EP1871952B1 (de) * | 2005-03-22 | 2017-09-13 | Arrow Greentech Limited | Hochsicheres papier und herstellungsverfahren |
| DE102005045566A1 (de) | 2005-03-23 | 2006-09-28 | Giesecke & Devrient Gmbh | Mehrlagiges Sicherheitspapier |
| FR3012365B1 (fr) | 2013-10-30 | 2016-10-07 | Oberthur Fiduciaire Sas | Document de securite |
| US10380476B1 (en) * | 2013-12-10 | 2019-08-13 | Wells Fargo Bank, N.A. | Transaction instrument |
| FR3025532A1 (fr) * | 2014-09-05 | 2016-03-11 | Oberthur Fiduciaire Sas | Support papier, son procede de fabrication et document de securite fabrique avec celui-ci |
| DE102016015546A1 (de) | 2016-12-27 | 2018-06-28 | Giesecke+Devrient Currency Technology Gmbh | Mehrlagiges Wertdokumentsubstrat |
| US11332888B2 (en) * | 2018-08-23 | 2022-05-17 | Eastman Chemical Company | Paper composition cellulose and cellulose ester for improved texturing |
| US20200063365A1 (en) * | 2018-08-23 | 2020-02-27 | Eastman Chemical Company | Compostable wet-laid articles comprising cellulose and cellulose esters |
-
2022
- 2022-04-29 DE DE102022001505.6A patent/DE102022001505A1/de not_active Withdrawn
-
2023
- 2023-04-27 DE DE112023002153.8T patent/DE112023002153A5/de not_active Withdrawn
- 2023-04-27 WO PCT/DE2023/100304 patent/WO2023208284A1/de not_active Ceased
- 2023-04-27 EP EP23722812.7A patent/EP4515032A1/de active Pending
- 2023-04-27 CN CN202380034054.7A patent/CN119096016A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102022001505A1 (de) | 2023-11-02 |
| CN119096016A (zh) | 2024-12-06 |
| WO2023208284A1 (de) | 2023-11-02 |
| DE112023002153A5 (de) | 2025-05-15 |
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