EP3233516A1 - Sicherheitselement mit farbkippeffekt und fluoreszierenden merkmalen, verfahren zu dessen herstellung und dessen verwendung - Google Patents
Sicherheitselement mit farbkippeffekt und fluoreszierenden merkmalen, verfahren zu dessen herstellung und dessen verwendungInfo
- Publication number
- EP3233516A1 EP3233516A1 EP15812951.0A EP15812951A EP3233516A1 EP 3233516 A1 EP3233516 A1 EP 3233516A1 EP 15812951 A EP15812951 A EP 15812951A EP 3233516 A1 EP3233516 A1 EP 3233516A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- security element
- layer
- element according
- optically variable
- variable effect
- 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.)
- Granted
Links
Classifications
-
- 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
- B42D25/378—Special inks
- B42D25/387—Special inks absorbing or reflecting ultraviolet light
-
- 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
-
- 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
- B42D25/328—Diffraction gratings; Holograms
-
- 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
- B42D25/346—Perforations
-
- 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
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/364—Liquid crystals
-
- 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
- B42D25/369—Magnetised or magnetisable 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
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/373—Metallic materials
Definitions
- the invention relates to a, a color shift effect exhibiting security element, which additionally recognizable in transmitted light recesses and fluorescent features, a method for its preparation, and its use.
- Color-shift effects can be achieved by various means, such as thin-film interference, such as structures having an electromagnetic wave reflecting layer, a spacer layer, and a metallic cluster layer.
- Such security elements are described, for example, in US 2005/042449 A or in EP 1 558 449 A.
- Another way to provide a security element that has a color shift effect is to use a coating of liquid crystals, either in the form of a pigmented layer or a polymerized film.
- EP 0 435 129 A discloses a data carrier with a liquid-crystalline security element, wherein the material is a liquid-crystal polymer which is present in an oriented form and at room temperature as a solid.
- WO 00/50249 A discloses a security element comprising an optically variable material, which may be, for example, a liquid-crystalline material, and at least one additional machine-readable feature substance in the same layer.
- an optically variable material which may be, for example, a liquid-crystalline material
- additional machine-readable feature substance in the same layer.
- the light-absorbing, preferably black, background is clearly visible as a dark area on the back of a security element, such as a thread or strip at least partially embedded in a value document, such as a banknote or the like.
- This light-absorbing background must therefore be covered so as not to discern the security element from the outset. This cover can be done for example by a metallic layer.
- a method for producing a substrate comprising the steps of applying a resist to at least a portion of a metal layer on a first side of a transparent polymer film, removing metal from the areas not covered by the cap layer for formation metal-free portions and applying a further layer to cover the resist and the metal-free portions, wherein the further layer is a layer of liquid crystal polymer material, and the resist is dark colored and the underlying metal areas masked and in the areas covered by the liquid crystal polymer material when viewed under reflection leading to a color change effect from the first side, and wherein the contrast between the metallized and metal-free regions can be clearly distinguished.
- security elements that have a color shift effect can be produced by layers with optically variable pigments.
- Such pigments are known, for example, in US 2003/0207113 or US Pat. No. 5,171,363.
- These security elements can also have further security features, in particular also fluorescent features which, however, are present on the side facing away from the side with the optically variable effect. On the side on which the optically variable effect is visible, fluorescent colors are not used, because they affect the visibility of the optical variable effect significantly by their opacity.
- the object of the invention was to provide a security element comprising a material having an optically variable effect, preferably a color shift effect, and recesses recognizable in transmitted light, wherein the security element is designed such that it provides both optimum recognition of the optically variable effect allows, and additionally as a further security feature one or more coatings with fluorescent colors on the side on which the optically variable effect can be seen, which correspond to the optical security element, which has an optically variable effect.
- the invention therefore relates to a security element which has a coating of a material which has an optically variable effect, in particular a color shift effect and recognizable recesses in the transmitted light, wherein the security element comprises a carrier substrate and a partial layer with recesses and a color shift effect causing layer structure , characterized in that the security element on the side on which the coating of the material having an optically variable effect comprises one or more partial coatings of a layer of transparent in visible light and fluorescent in UV light colors (pigments ??) having.
- the layer structure comprising an optically variable effect may comprise a carrier substrate and a partial layer with recesses, wherein the partial layer T EP2015 / 002377
- the partial opaque coating consists of a light-absorbing metallic layer and a reflective metallic layer.
- the material having an optically variable effect may be an ink containing pigments of liquid crystal material.
- the pigments consist of cholesteric or a mixture of nematic and cholesteric liquid crystals.
- OMI pigments optically variable interference pigments
- Such pigments are described, for example, in US 2003/0207113.
- iridescent pigments for example, Iriodine ® pigments can be used.
- Iriodine ® is based on naturally occurring mineral mica flakes encased in semi-transparent metal oxides.
- the material having an optically variable effect may consist of a liquid crystal polymer which is applied as a solution of the cholesteric monomers or the mixture of cholesteric and nematic monomers and then crosslinked.
- the crosslinking can be effected thermally or by treatment with UV radiation or electron radiation.
- the recesses when viewed in transmitted light, the recesses can be seen as a clear contrast to the areas which have a light-absorbing and a reflective metallic layer. Due to the reflective metallic layer, the security element, if it is embedded in a value document, is also in the document Incident light from the back through the paper surface not or hardly recognizable. From the back, however, the recesses are clearly visible in transmitted light. From the front of the optically variable effect and the recesses in Auf Licht are clearly visible.
- a light-absorbing metallic layer are preferably non-stoichiometric alumina and stoichiometric or unstoichiometric copper oxide in question.
- the light-absorbing metallic layer has a preferably dark to black coloration. The stronger the absorption of the background in the visible spectral range (350 - 800 nm), the stronger the visible optically variable effect.
- metals such as Al, Sn, Cu, Zn, Pt, Au, Ag, Cr, Ti, Mo, Fe, Pd, Ni, Co or their alloys, for example Cu / Al in question.
- the light-absorbing metallic layer may consist of unstoichiometric alumina, preferably having an oxygen content of about 19-58 at%, and the reflective metallic layer of aluminum.
- the recesses in the light absorbing metallic layer and the reflective metallic layer are perfectly congruent and may be in the form of characters, letters, numbers, images, symbols, lines, guilloches, and the like. Also combinations of these forms are possible.
- the recesses may also be in negative form, that is, for example, the area around a character, a letter and the like forms the recess.
- the layer structure having an optically variable effect can consist of at least one electromagnetic wave reflecting layer, one polymeric spacing layer and one layer of metallic clusters.
- an electromagnetic wave-reflecting layer is applied to a carrier substrate.
- This layer may preferably be made of metals such as aluminum, gold, chromium, silver, copper, tin, platinum, nickel or tantalum, of semiconductors such as silicon, and their alloys, for example nickel / chromium, copper / aluminum and the like or a Printing ink with metal pigments exist.
- the electromagnetic wave reflecting layer is wholly or partially by known methods, such as spraying, vapor deposition, sputtering, or for example as a printing ink by known printing (gravure, flexo, screen, digital printing), by painting, roller application method, slot nozzle (slot). Eye), roll dip coating or curtain coating method and the like.
- the following polymeric spacer layer or the polymeric spacer layers can also be applied over the whole area or preferably partially.
- the polymeric layers consist for example of conventional or radiation-curing, in particular UV-curing, dye or paint systems based on nitrocellulose, epoxy polyester rosin, acrylate, alkyd, melamine, PVA, PVC, isocyanate, urethane or PS copolymer systems.
- On the polymeric layer is then applied a full-area or partial layer formed of metallic clusters.
- the metallic clusters can consist, for example, of aluminum, gold, palladium, platinum, chromium, silver, copper, nickel, tantalum, tin and the like or their alloys, such as, for example, Au / Pd, Cu / Ni or Cr / Ni.
- the fluorescent colors according to the invention have a high transparency in visible light and thus do not affect the appearance of the optically variable element.
- the fluorescent colors are tuned to the optically active effect.
- fluorescent colors in yellow and green can be present on the security element, analogous to a farking effect from red to blue, fluorescent colors in red and blue.
- the color-shift effect can select contrasting or more than two different fluorescence colors.
- the fluorescent colors can also be arranged in the form of a so-called rainbow layout.
- the fluorescent colors can be present in the form of bars in an alternating sequence on the security element, wherein the extent of the individual different fluorescent colors can correspond to the recesses recognizable in the transmitted light.
- the fluorescent coating according to the invention is such that it appears completely transparent in visible light.
- transparent fluorescent dyes are dissolved in a suitable solvent, for example dlacetone alcohol, i-propyl alcohol, ethanol, ethoxypropanol, ethylene glycol, methoxypropanol, methoxydipropanol, n-propanol, ethoxybutanol, n-butanol, ethoxypropanol, butylglycol, hexane, cyclopentanone, acetone, Ethyl acetate, butyl acetate, cyclohexanone, I-propyl acetate, Metyhlethylketon, methoxypropyl acetate, n-propyl acetate, special gasoline, toluene, water, xylene, methyl isobutyl ketone at elevated temperature, preferably up to the boiling temperature of Solvent solved.
- a suitable solvent for example dlacetone alcohol, i-propyl alcohol, ethanol, eth
- Suitable transparent standard coating compositions are, for example, nitrocellulose-based paints, PE acrylate, PET acrylate, urethane acrylate, PVC, PMMA ethylene acrylate copolymers, styrene acrylates or epoxy acrylate, PET, PC.
- organic fluorescent dyes Particularly suitable as transparent fluorescent dyes are organic fluorescent dyes. Particularly suitable are organic fluorescent dyes, for example based on chelates, oxinates, derivatives of thermophthalic acid, anthranilic acid, whether benzimidazole,
- Salicylic acid organic complexes of rare earth metals, in particular pigments from the Lumilux ® - series (Honeywell), such as Lumilux ® CD 335, Lumilux ® CD 740, Lumilux ® CD 340, Lumilux ® Red CD 335, Lumilux ® Red CD 332 (red fluorescence) , optical brighteners, as Tinopal® OB, Lumilux CD ® Blue 302 Blue ® Lumilux CD 311, Lumilux ® Blue 710 Blue ® Lumilux CD 310 (blue fluorescence), Lumilux CD 702 ®, Lumilux Green CD 302 ®, Lumilux Green ® CD 708, lumilux ® green CD 308 lumilux ® green CD 396 (green
- Lumilux CD 792 or ® Lumilux CD 792, CD 797 Lumilux ®, ® Lumilux CD 782, CD 382 ® Lumilux (yellow-green fluorescence).
- the intensity of fluorescence depends on the concentration of dissolved dye in the paint. The greatest intensity is therefore achieved when the solubility limit at the boiling point of the solvent used is reached. Depending on the concentration of the dye, any desired levels of intensity can be achieved.
- carrier films are preferably transparent flexible plastic films, for example, from PI, PP, MOPP, PE, PS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC, PTFE, ETFE (ethylene tetrafluoroethylene), PFA (tetrafluoroethylene-perfluoropropyl vinyl ether fluorocopolymer), MFA (tetrafluoromethylene-perfluoropropyl vinyl ether fluorocopolymer), PTFE (polytetrafluoroethylene), PVF (polyvinyl fluoride), PVDF (polyvinylidene fluoride), and EFEP (ethylene-tetrafluoroethylene-hexafluoropropylene fluoropolymer).
- the carrier films preferably have a thickness of 5 to 700 ⁇ m, preferably 5 to 200 ⁇ m, particularly preferably 5 to 50 ⁇ m.
- the security element according to the invention can also have further security features which can be present in further layers.
- These security features for example, can have certain chemical, physical and also optical or optical active properties.
- paramagnetic, diamagnetic and also ferromagnetic substances such as iron, nickel and cobalt or their compounds or salts (for example oxides or sulfides) can be used.
- magnétique pigment paints with pigments based on Fe oxides, iron, nickel cobalt and their alloys, barium or cobalt ferrites, hard and soft magnetic iron and steel grades in aqueous or solvent-containing dispersions.
- suitable solvents are i-propanol, ethyl acetate, methyl ethyl ketone, methoxypropanol and mixtures thereof.
- the pigments are preferably incorporated in acrylate polymer dispersions having a molecular weight of from 150,000 to 300,000, in nitrocellulose, acrylate-urethane dispersions, acrylate-styrene or PVC-containing dispersions or in solvent-containing dispersions of this type.
- the magnetic layer may also have a coding. Both magnetic materials of the same coercivity and / or remanence, as also different coercivity and / or remanence can be used to form the coding.
- the reflective metallic layer may itself have magnetic properties. This is achieved, for example, by the use of a magnetic material such as Fe, Ni, Co.
- the optical properties of the layer can be influenced by visible dyes or pigments, heat-sensitive inks or pigments. These can be used individually or in all possible combinations.
- optically active characteristics are here diffraction structures, diffraction gratings, kinegrams, holograms, DID understood ® (0th order in conjunction with thin films microstructures).
- optically active features can be produced, for example, by known UV embossing processes, as described, for example, in EP 1 310 381 A or by hot embossing processes
- this adhesive coating can be carried out either in the form of a heat-seal, cold-seal or self-adhesive coating.
- the adhesive may also be pigmented, it being possible to use as pigments all known pigments or dyes, for example ⁇ 2, ZnS, kaolin, ATO, FTO, aluminum, chromium and silicon oxides or, for example, organic pigments such as pthalocyanine blue, i-indolold yellow, dioxazine violet and the like , Furthermore, it is possible to add heat-sensitive dyes or pigments to luminescent dyes or pigments which fluoresce or phosphoresce in the visible, in the UV region or in the IR region.
- luminescent pigments can also be used alone or in combination with other dyes and / or pigments.
- the security element can also be protected by one or more protective lacquer layer (s), which may be pigmented or unpigmented, or further refined, for example, by laminating or the like.
- a metallic layer for example an aluminum layer
- the security element according to the invention is suitable for at least partially embedding in or application on identity cards, cards, banknotes or labels, seals and the like, but also as packaging material, for example in the pharmaceutical, electronics and / or food industry, for example in the form of blister foils, cartons , Covers, foil packaging and the like.
- the substrates or film materials are preferably cut into strips, threads or patches, wherein the width of the strips or threads may preferably be 0.5-20 mm and the patches preferably have average widths or lengths of 0.3. 20 mm.
- the film material is preferably cut into strips, tapes, threads or patches, the width of which of the threads, strips or tapes being preferably 0.5-50 mm and the patches preferably being average widths and lengths of 2 - 30 mm.
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Credit Cards Or The Like (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA903/2014A AT516688A1 (de) | 2014-12-15 | 2014-12-15 | Sicherheitselement mit Farbkippeffekt und fluoreszierenden Merkmalen, Verfahren zu dessen Herstellung und dessen Verwendung |
| PCT/EP2015/002377 WO2016096086A1 (de) | 2014-12-15 | 2015-11-26 | Sicherheitselement mit farbkippeffekt und fluoreszierenden merkmalen, verfahren zu dessen herstellung und dessen verwendung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3233516A1 true EP3233516A1 (de) | 2017-10-25 |
| EP3233516B1 EP3233516B1 (de) | 2020-06-03 |
Family
ID=54883975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15812951.0A Active EP3233516B1 (de) | 2014-12-15 | 2015-11-26 | Sicherheitselement mit farbkippeffekt und fluoreszierenden merkmalen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10214045B2 (de) |
| EP (1) | EP3233516B1 (de) |
| AT (1) | AT516688A1 (de) |
| WO (1) | WO2016096086A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016009024A1 (de) † | 2016-07-25 | 2018-01-25 | Giesecke+Devrient Currency Technology Gmbh | Sicherheitspapier, Sicherheitselement und Wertdokument |
| DE102018000343A1 (de) | 2018-01-17 | 2019-07-18 | Giesecke+Devrient Currency Technology Gmbh | Sicherheitselement mit Lumineszenz-Motivbereich |
| DE102018008147A1 (de) * | 2018-10-15 | 2020-04-16 | Giesecke+Devrient Currency Technology Gmbh | Sicherheitselement und mit dem Sicherheitselement ausgestatteter Datenträger |
| WO2021032518A1 (en) | 2019-08-19 | 2021-02-25 | Basf Se | A process for the production of fingerprint texture free liquid crystal films |
| EP3800060A1 (de) | 2019-10-03 | 2021-04-07 | Hueck Folien Gesellschaft m.b.H. | Sicherheitselement mit zumindest einem ersten farbkippenden bereich |
| EP3800063A1 (de) * | 2019-10-03 | 2021-04-07 | Hueck Folien Gesellschaft m.b.H. | Sicherheitselement für wertpapiere oder sicherheitspapiere |
| EP3800061A1 (de) | 2019-10-03 | 2021-04-07 | Hueck Folien Gesellschaft m.b.H. | Sicherheitselement mit einer optischen effektschicht |
| EP3800062A1 (de) * | 2019-10-03 | 2021-04-07 | Hueck Folien Gesellschaft m.b.H. | Sicherheitselement mit einer als dünnschichtelement ausgebildeten optischen effektschicht |
| DE102022123531A1 (de) * | 2022-09-14 | 2024-03-14 | Bundesdruckerei Gmbh | Dokument mit einer Guilloche |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6761959B1 (en) | 1999-07-08 | 2004-07-13 | Flex Products, Inc. | Diffractive surfaces with color shifting backgrounds |
| GB0201767D0 (en) | 2002-01-25 | 2002-03-13 | Rue De Int Ltd | Improvements in methods of manufacturing substrates |
| AT413360B (de) | 2002-08-06 | 2006-02-15 | Hueck Folien Gmbh | Verfahren zur herstellung von fälschungssicheren identifikationsmerkmalen |
| CN1597334B (zh) | 2003-07-14 | 2011-03-30 | Jds尤尼费斯公司 | 防伪线和在薄板上制造光学可变装置的方法 |
| GB2438384B (en) * | 2006-05-26 | 2008-10-29 | Rue De Int Ltd | Improvements in forming security devices |
| DE102006037431A1 (de) | 2006-08-09 | 2008-04-17 | Ovd Kinegram Ag | Verfahren zur Herstellung eines Mehrschichtkörpers sowie Mehrschichtkörper |
| GB2442711B (en) | 2006-10-10 | 2011-04-13 | Rue De Int Ltd | Improvements in security devices |
| EP2006116B1 (de) * | 2007-06-21 | 2012-08-08 | Hueck Folien Ges.m.b.H. | Sicherheitselement mit Farbkippeffekt und visuell nicht erkennbaren Sicherheitsmerkmalen |
| DE102008032224A1 (de) | 2008-07-09 | 2010-01-14 | Giesecke & Devrient Gmbh | Sicherheitselement |
| CA2656506A1 (en) | 2009-02-27 | 2010-08-27 | Bank Of Canada | Security device |
| DE102009042022A1 (de) | 2009-09-21 | 2011-03-24 | Giesecke & Devrient Gmbh | Langgestrecktes Sicherheitselement mit maschinenlesbaren magnetischen Bereichen |
| WO2012041851A1 (en) * | 2010-09-29 | 2012-04-05 | Basf Se | Security element |
-
2014
- 2014-12-15 AT ATA903/2014A patent/AT516688A1/de not_active Application Discontinuation
-
2015
- 2015-11-26 US US15/535,475 patent/US10214045B2/en active Active
- 2015-11-26 WO PCT/EP2015/002377 patent/WO2016096086A1/de not_active Ceased
- 2015-11-26 EP EP15812951.0A patent/EP3233516B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US10214045B2 (en) | 2019-02-26 |
| AT516688A1 (de) | 2016-07-15 |
| US20170334235A1 (en) | 2017-11-23 |
| WO2016096086A1 (de) | 2016-06-23 |
| EP3233516B1 (de) | 2020-06-03 |
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