EP1233106B1 - Sicherheitspapier und andere Sicherheitsartikel - Google Patents
Sicherheitspapier und andere Sicherheitsartikel Download PDFInfo
- Publication number
- EP1233106B1 EP1233106B1 EP02001228A EP02001228A EP1233106B1 EP 1233106 B1 EP1233106 B1 EP 1233106B1 EP 02001228 A EP02001228 A EP 02001228A EP 02001228 A EP02001228 A EP 02001228A EP 1233106 B1 EP1233106 B1 EP 1233106B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- security
- item according
- segment
- security item
- emission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
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
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/21—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose for multiple purposes
-
- 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
- B42D25/391—Special inks absorbing or reflecting polarised light
-
- 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
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
- D21H21/48—Elements suited for physical verification, e.g. by irradiation
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
- G09F3/0292—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time tamper indicating labels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
- G09F3/0294—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time where the change is not permanent, e.g. labels only readable under a special light, temperature indicating labels and the like
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S283/00—Printed matter
- Y10S283/901—Concealed data
Definitions
- the present invention relates to security paper and Security articles in general, ie articles whose counterfeiting prevents or complicates one or more security elements should be, the security elements with at least one photoluminescent segment linearly polarized photoluminescence.
- the present invention relates equally to one Method of making such security items as well Methods of using the same.
- security threads or - strips which, for example, consist of a metal-coated one Plastic can exist in security papers, in particular wide for use in banknotes and similar securities common. If these security threads or strips, for example be embedded in the security paper and this If necessary, these security elements can then be printed not easily recognized when the object is in Reflection is considered. But they appear as a dark shadow, when the object is illuminated and thus in transmission is observed.
- WO-A-98 01817 There are used as security elements for security objects Photoluminescence polarizers are used, in which the emitted Luminescent light is linearly polarized. This light is through a polarizer viewed through and rotated, the viewer has a light-dark effect due to the polarizer either depending on the rotary position transmitted or not transmitted luminescent light.
- US-A-5,284,364 uses polarizers for security purposes, but they are "ordinary" polarizers such as ⁇ / 2 plates and no photoluminescent polarizers.
- security element refers to a Example, shaped object of various shapes may have, for example, but not only, fiber, thread, rod, Film, sheet, layer, tape, plate, disc, snippet and / or Combinations of these.
- the security element can be homogeneous and be continuous and can be structured or patterned and can contain multiple individual elements, zones or pixels.
- security article refers to objects whose counterfeiting is to be prevented or made more difficult by one or more security elements or whose authenticity or validity is to be indicated by one or more security elements or which are to be identified by one or more security elements, for example, but not only.
- security paper refers to security items that consist essentially of paper.
- a segment is a part of an object, in particular a security element, on which the characteristic degree of polarization and the polarization axis for the emission and absorption are adequately determined can be.
- the degree of polarization for the emission is expressed by the dichroic ratio in emission .
- the dichroic ratio in emission is defined as the ratio of the integrated photoluminescence emission spectra measured, with unpolarized excitation, by a linear polarizer whose polar axis is arranged parallel and perpendicular to the polarization axis of the examined segment.
- the degree of polarization for absorption is expressed by the dichroic ratio in absorption .
- the dichroic ratio in absorption is defined as the ratio of the absorptions measured at the excitation wavelength by a linear polarizer (analyzer) whose polar axis is arranged parallel and perpendicular to the polarization axis of the examined segment.
- the excitation wavelength is defined as the wavelength that is used for optical excitation for the photoluminescence of the security element or its photoluminescent segments.
- absorption and emission refer to optical processes.
- Dichroic properties of a film made of 2% by weight EHO-OPPE / UHMW-PE with a draw rate of 80 (in the referred to below as material A).
- Polarized absorption spectra recorded for incident Light which is parallel (solid line) and perpendicular (dashed line) is polarized to the polarization axis of the film.
- Polarized emission spectra under isotropic excitation at 365 nm measured by a polarizer (analyzer) with its polar axis parallel (solid line) and perpendicular (dashed line) polarized to the polarization axis of the film.
- the present invention is based on our surprising Discovery that photoluminescent materials are what by linearly polarized photoluminescence with a dichroic Ratio in the emission of 5 or more are marked and in can bring a shape according to the invention, security elements can be manufactured, which for the production of Security papers and security articles in general can be used.
- security papers according to the invention and Security articles in general through great counterfeit security and distinguish easily recognizable authenticity features.
- Such materials brought into a suitable form and for the production of Security elements are used that make up Have security papers and security articles manufactured.
- the Security element can have various forms, for Example, but not only, fiber, thread, rod, film, sheet, layer, Ribbon, plate, disc, snippet and / or combinations thereof.
- security elements in more complex forms for example, but not only, logos, letters, characters, numbers etc. be used.
- the surface can also be used, for example of the security element are structured, for example by Printing or embossing.
- the security element is at least one has a photoluminescent segment which is linear polarized photoluminescence with linearly polarized if necessary Absorption is characterized, the segment being a dichroic relationship of 5 or more in the emission.
- photoluminescent segments it can be from Be an advantage if the suggestion is not or only slightly normal daylight takes place, but, according to a preferred one Embodiment variant of the present invention, an additional Light source, for example in the UV range, is necessary around the To make photoluminescence visible.
- the linearly polarized Photoluminescence of such segments causes the emitted Light from an external polarizer (analyzer) depending on Orientation of the polar axis of the polarizer (analyzer) and the.
- the polarization axis of the segment varies is absorbed, for example, when viewed through the naked eye (and of course through the polarizer) to a strong one light / dark contrast can result.
- this Segments may differ from case to case and the Polarization measurements with various experimental Arrangements, for example conventional spectrometers, microscopic methods etc.) can be done.
- Is considered Security element for example, a uniaxially oriented film from Dimensions 5 cm x 5 cm x 2 ⁇ m from material A (see example A) If necessary, the entire film can be used as a segment be considered when measuring the degree of polarization in the can be done essentially at any point and from it in Framework of measurement and production accuracy essentially but comparable results with regard to the degree of polarization Polarization axis can be obtained.
- Example a fiber shaped into a circle with a Diameter of 0.5 mm and a length of 20 cm from the same Material can be considered as a combination of many segments, because the polarization axis in this determined from polarization measurements Case has a strong dependence on location.
- this element shows this element also optical effects, analogous to the above described and in the sense of this invention, which by a Combination of individual segments can be described.
- the security elements in security articles according to the present invention suitably contain one or more luminescent dyes which cause the polarization properties according to the present invention.
- Suitable luminescent dyes can be found, for example, in EP-A-0933655 and EP-A-0889350 and in the publications and patents cited in these patent applications.
- certain oligomers and polymers for example poly (2,5-dialkoxy- p -phenylene ethynylene) derivatives, such as EHO-OPPE and O-PPE or poly ( p -phenylene vinylene) Derivatives such as (poly (2-methoxy-5- [2'-ethyl-hexyloxy) - p -phenylene vinylene] (MEH-PPV) are very useful for preferred embodiments of the present invention:
- Suitable methods for the production of security elements for use according to the present invention are for Example in EP-A-0933655 and EP-A-0889350 and those cited in these patent applications Find publications and patents.
- the security elements, or segments of such security elements, for use in security articles according to the present invention for example through the anisotropic deformation of ductile Mixtures are made.
- security threads or strips can be used, according to a preferred Embodiment variant of the present invention, too have different emission colors and in certain Patterns, for example in a special arrangement of the Polarization axes.
- security elements can be advantageous with different emission colors and the fibers can have a wide variety of shapes, for example stretched or curved fibers can be used, which according to the present invention differ can lead to optical effects.
- EHO-OPPE, O-OPPE and MEH-PPV were based on the instructions from Ch. Weder (Macromolecules, (1996) Vol. 29, p. 5157), D. Steiger (Macromol. Rapid Commun., (1997) Vol. 18, p. 643) and US-A-5,204,038.
- Two different EHO-OPPE samples with number average molecular weights, M n , of 10,000 gmol -1 and 84,000 gmol -1 (HMW-EHO-OPPE) were used, O-OPPE had an M n , of 10,000 gmol -1 and MEH -PPV had a weight average molecular weight, M w , of approximately 450,000 gmol -1 .
- Ultra high molecular weight polyethylene (UHMW-PE, Hostalen Gur 412, weight average molecular weight ⁇ 4 ⁇ 10 6 gmol -1 , Hoechst AG) was used as the carrier polymer.
- Xylene puriss. Pa, Fluka AG was used as the solvent.
- the highly stretched samples from this example have one highly polarized absorption and polarized emission on, as Figure 1 for a film of 2 wt .-% EHO-OPPE with a Draw rate of 80 shows.
- This special material in the referred to below as material A (measured at an excitation wavelength of 485 nm) Dichroic ratio in absorption of 57, a dichroic Ratio in emission of 27 and a yellow-green emission color on.
- a security paper was produced by embedding a strip of 1 mm width and a thickness of approximately 2 ⁇ m made of material A ( 2 ) in a paper ( 1 ) with the dimensions 17 cm x 7 cm, so that the polarization axis of the strip is parallel to the short sides of the paper was oriented ( Figure 3a).
- the paper ( 1 ) was printed ( 3 ) and the stripe ( 2 ) was neither clearly visible in normal daylight nor in normal room lighting, neither in reflection nor in transmission by the naked eye.
- the green-yellow photoluminescence of the strip ( 2 ) could be recognized immediately by the naked eye when the security paper was irradiated with a UV lamp (Bioblock, VL-4LC, 4 Watt).
- Example 1 was repeated, but in addition a second strip of 1 mm wide and about 2 ⁇ m thick made of material B ( 4 ) was embedded in the paper ( 1 ), so that the polarization axis of this strip ( 4 ) parallel to the long sides of the Paper ( 1 ) was oriented ( Figure 3b).
- the paper ( 1 ) was printed ( 3 ) and the stripes ( 2 and 4 ) were neither easily recognizable in normal daylight nor in normal room lighting, neither in reflection nor in transmission by the naked eye.
- the green-yellow and orange-red photoluminescence of the two strips ( 2 and 4 ) could be immediately recognized by the naked eye when the security paper was irradiated with a UV lamp (Bioblock, VL-4LC, 4 watts).
- Example 1 was repeated, but instead of the strip, fibers with a diameter between approximately 30 and 400 ⁇ m and a length between approximately 1 and 10 mm made of material A ( 5 ) were embedded in the paper ( 1 ) (FIG. 3c).
- the paper ( 1 ) was printed ( 3 ) and the fibers ( 5 ) could not be seen either in normal daylight or in normal room lighting, neither in reflection nor in transmission by the naked eye.
- the green-yellow photoluminescence of the fibers could be recognized immediately by the naked eye when the security paper was irradiated with a UV lamp (Bioblock, VL-4LC, 4 watts).
- a security card was produced by laminating a 0.5 mm wide and about 2 ⁇ m thick strip of material A ( 7 ) onto an opaque card ( 6 ) made of yellow colored PVC with the dimensions 8 cm x 5 cm, such that the polarization axis of the strip ( 7 ) was oriented parallel to the short sides of the card ( 6 ) ( Figure 3d).
- the strip ( 7 ) was not easily visible to the naked eye in normal daylight or in normal room lighting.
- the green-yellow photoluminescence of the strip ( 7 ) could be recognized immediately by the naked eye when the card was irradiated with a UV lamp (Bioblock, VL-4LC, 4 watts).
- Example 4 was repeated, but instead of opaque card ( 6 ) made of yellow colored PVC, a transparent card made of polycarbonate ( 8 ) was used and in addition a second 0.5 mm wide and about 2 ⁇ m thick strip of material B ( 9 ) was laminated on, so that the Polarization axis of this second strip ( 9 ) was oriented parallel to the long sides of the card ( 8 ) ( Figure 3e).
- the green-yellow and orange-red photoluminescence of the two strips ( 7 and 9 ) can be recognized immediately by the naked eye when the card ( 8 ) has been irradiated with a UV lamp (Bioblock, VL-4LC, 4 watts).
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
- Paper (AREA)
- Polarising Elements (AREA)
- Burglar Alarm Systems (AREA)
- Facsimile Transmission Control (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Description
Claims (16)
- Sicherheitsartikel mit mindestens einem Sicherheitselement, welches mindestens ein photolumineszierendes Segment mit linear polarisierter Photolumineszenz aufweist, dadurch gekennzeichnet, dass das Segment ein dichroisches Verhältnis von 5 oder mehr in der Emission aufweist.
- Sicherheitsartikel nach Anspruch 1, dadurch gekennzeichnet, dass dieses Segment ein Dichroisches Verhältnis von 10 oder mehr in Emission aufweist.
- Sicherheitsartikel nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Segment eine linear polarisierte Absorption aufweist.
- Sicherheitsartikel nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Sicherheitselement in einer Form aus der Gruppe Faser, Faden, Stab, Film, Blatt, Schicht, Band, Platte, Scheibe, Schnipsel und/oder Kombinationen daraus vorliegt.
- Sicherheitsartikel nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass dieser, abgesehen vom Sicherheitselement, massgeblich aus Papier besteht.
- Sicherheitsartikel nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass dieser, abgesehen vom Sicherheitselement, ein oder mehrere synthetische Polymere enthält.
- Sicherheitsartikel nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet dass das Sicherheitselement durch Bestrahlung mit elektromagnetischer Strahlung einer Wellenlänge zwischen 200 und 400 nm zur Lumineszenz angeregt werden kann.
- Sicherheitsartikel nach Ansprüchen 1 bis 7, dadurch gekennzeichnet, dass das Sicherheitselement mindestens ein Träger-Polymer und einen lumineszierenden Farbstoff umfasst.
- Sicherheitsartikel nach Ansprüchen 1 bis 8, dadurch gekennzeichnet, dass der lumineszierende Farbstoff ein mindestens teilweise konjugiertes Polymer ist.
- Sicherheitsartikel nach Ansprüchen 1 bis 9, dadurch gekennzeichnet, dass der lumineszierende Farbstoff ein Poly(p-phenylen ethynylen) Derivat ist.
- Verwendung des Sicherheitsartikels nach Ansprüchen 1 bis 10 für Objekte deren Fälschung erschwert oder verunmöglicht werden soll.
- Verwendung des Sicherheitsartikets nach Ansprüchen 1 bis 10 für Objekte deren Echtheit und/oder Gültigkeit gekennzeichtet werden soll.
- Verwendung des Sicherheitsartikels nach Ansprüchen 1 bis 10 für Objekte deren Identifizierung ermöglicht und/oder vereinfacht werden soll.
- Verwendung des Sicherheitsartikels nach Ansprüchen 1 bis 10 für ein Objekt aus der Gruppe Banknoten, Checks, Aktien, Obligationen, Ausweise, Pässe, Führerausweise, Eintrittskarten, Briefmarken, Bankkarten, Kreditkarten.
- Verfahren zur Herstellung von Sicherheitsartikeln nach den Ansprüchen 1 - 10, bei welchem ein Objekt mit einem Sicherheitselement versehen wird, welches mindestens ein photolumineszierendes Segment mit linear polarisierter Photolumineszenz aufweist, dadurch gekennzeichnet, dass das Segment ein dichroisches Verhältnis von 5 oder mehr in der Emission aufweist.
- Verfahren zur Herstellung von Sicherheitsartikeln nach Anspruch 15, dadurch gekennzeichnet, dass das Segment eine linear polarisierte Absorption aufweist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH195898 | 1998-09-25 | ||
CH195898 | 1998-09-25 | ||
EP99942696A EP1115949B1 (de) | 1998-09-25 | 1999-09-22 | Sicherheitspapier und andere sicherheitsartikel |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99942696.8 Division | 1999-09-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1233106A1 EP1233106A1 (de) | 2002-08-21 |
EP1233106B1 true EP1233106B1 (de) | 2004-02-18 |
Family
ID=4222583
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02001228A Expired - Lifetime EP1233106B1 (de) | 1998-09-25 | 1999-09-22 | Sicherheitspapier und andere Sicherheitsartikel |
EP99942696A Revoked EP1115949B1 (de) | 1998-09-25 | 1999-09-22 | Sicherheitspapier und andere sicherheitsartikel |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99942696A Revoked EP1115949B1 (de) | 1998-09-25 | 1999-09-22 | Sicherheitspapier und andere sicherheitsartikel |
Country Status (10)
Country | Link |
---|---|
US (1) | US7108286B1 (de) |
EP (2) | EP1233106B1 (de) |
AT (2) | ATE230455T1 (de) |
AU (1) | AU754452B2 (de) |
BR (1) | BR9914061A (de) |
CA (1) | CA2344198C (de) |
DE (2) | DE59903926D1 (de) |
ES (1) | ES2190245T3 (de) |
PL (1) | PL346760A1 (de) |
WO (1) | WO2000019016A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2517888A1 (de) | 2011-04-27 | 2012-10-31 | Mitsubishi HiTec Paper Europe GmbH | Wärmeempfindliches Aufzeichnungsmaterial mit Authentifikationsmerkmal |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003044276A1 (en) * | 2001-11-22 | 2003-05-30 | Landqart | Security paper and security articles |
EP1490840B1 (de) * | 2002-04-04 | 2007-01-17 | Landqart | Vorrichtung zur verifikation von sicherheitsmerkmalen |
EP1490841A2 (de) * | 2002-04-04 | 2004-12-29 | Landqart | Vorrichtung zur verifikation von sicherheitsmerkmalen |
EP1523415B1 (de) * | 2002-07-19 | 2011-06-29 | Landqart | Sicherheitsmerkmal für wertdokumente |
GB0228303D0 (en) * | 2002-12-04 | 2003-01-08 | Rue De Int Ltd | Security device and method |
EP1452338A1 (de) * | 2003-02-28 | 2004-09-01 | Eidgenössische Technische Hochschule (ETH) | Gemustertes dichroisches Sicherheitskennzeichen |
GB0307615D0 (en) * | 2003-04-02 | 2003-05-07 | Ucb Sa | Authentication means |
EP1479797A1 (de) * | 2003-05-22 | 2004-11-24 | Landqart | Photolumineszierende Faser, Sicherheitspapier und andere Sicherheitsartikel |
CH696744A5 (de) * | 2003-07-07 | 2007-11-15 | Landqart | Sicherheitspapier und Verfahren zu dessen Herstellung. |
DE10331798B4 (de) * | 2003-07-14 | 2012-06-21 | Giesecke & Devrient Gmbh | Sicherheitselement, Wertgegenstand, Transfermaterial und Herstellungsverfahren |
NL1026430C2 (nl) * | 2004-06-16 | 2005-12-19 | Vhp Ugchelen Bv | Veiligheidspapier, omvattende een door zijden begrensd substraatoppervlak, voorzien van een luminescentie vertonend veiligheidskenmerk. |
WO2006007745A1 (de) * | 2004-07-21 | 2006-01-26 | Landqart | Sicherheitsmerkmal und verfahren zu dessen herstellung |
EA200701967A1 (ru) * | 2007-10-12 | 2008-12-30 | Альтшулер, Владимир Давидович | Защитный элемент, способ его изготовления, содержащая его защитная метка и способ идентификации подлинности изделий, маркированных защитной меткой |
CN101519857B (zh) * | 2008-02-29 | 2011-08-24 | 上海柯斯造纸防伪技术有限公司 | 激发光光角变化致荧光纤维变色的防伪纤维及防伪材料 |
US8530863B2 (en) * | 2008-12-08 | 2013-09-10 | Spectra Systems Corporation | Fluorescence notch coding and authentication |
PL233721B1 (pl) * | 2017-07-21 | 2019-11-29 | Polska Wytwornia Papierow Wartosciowych Spolka Akcyjna | Element zabezpieczajacy dokument, dokument wartosciowy zawierajacy element zabezpieczajacy oraz sposob wytwarzania dokumentu wartosciowego |
US20230264504A1 (en) * | 2022-02-23 | 2023-08-24 | The Government of the United States of America, as represented by the Secretary of Homeland Security | System and method of using planchettes to detect unauthorized copying or counterfeiting in articles of manufacture |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3276316A (en) | 1961-08-02 | 1966-10-04 | Polaroid Corp | Process for polarizing ultraviolet light utilizing oriented polymer sheet with incorporated dichroic fluorescent dye |
IN173621B (de) * | 1987-12-04 | 1994-06-18 | Portals Ltd | |
GB8811671D0 (en) | 1988-05-17 | 1988-06-22 | Wiggins Teape Group Ltd | Security & decorative paper |
US5204038A (en) * | 1990-12-27 | 1993-04-20 | The Regents Of The University Of California | Process for forming polymers |
GB2250474B (en) * | 1990-12-04 | 1994-04-20 | Portals Ltd | Security articles |
US5284364A (en) * | 1992-06-10 | 1994-02-08 | Anvik Corporation | Increased-security identification card system |
US5532104A (en) | 1993-08-19 | 1996-07-02 | Olympus Optical Co., Ltd. | Invisible information recording medium |
US5746949A (en) * | 1995-11-21 | 1998-05-05 | Hoechst Celanese Corp. | Polarizer films comprising aromatic liquid crystalline polymers comprising dichroic dyes in their main chains |
GB9614261D0 (en) | 1996-07-06 | 1996-09-04 | Secr Defence | A covert mark and security marking system |
EP0933655A1 (de) * | 1998-01-29 | 1999-08-04 | ETHZ Institut für Polymere | Effiziente photolumineszente Polarisatoren, Verfahren zu deren Herstellung, und ihre Anwendung bei Anzeigevorrichtungen |
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1999
- 1999-09-22 AU AU56150/99A patent/AU754452B2/en not_active Ceased
- 1999-09-22 AT AT99942696T patent/ATE230455T1/de not_active IP Right Cessation
- 1999-09-22 EP EP02001228A patent/EP1233106B1/de not_active Expired - Lifetime
- 1999-09-22 DE DE59903926T patent/DE59903926D1/de not_active Revoked
- 1999-09-22 PL PL99346760A patent/PL346760A1/xx not_active Application Discontinuation
- 1999-09-22 EP EP99942696A patent/EP1115949B1/de not_active Revoked
- 1999-09-22 US US09/787,942 patent/US7108286B1/en not_active Expired - Fee Related
- 1999-09-22 WO PCT/CH1999/000450 patent/WO2000019016A1/de not_active Application Discontinuation
- 1999-09-22 CA CA002344198A patent/CA2344198C/en not_active Expired - Fee Related
- 1999-09-22 ES ES99942696T patent/ES2190245T3/es not_active Expired - Lifetime
- 1999-09-22 DE DE59908606T patent/DE59908606D1/de not_active Expired - Lifetime
- 1999-09-22 BR BR9914061-6A patent/BR9914061A/pt not_active Application Discontinuation
- 1999-09-22 AT AT02001228T patent/ATE259918T1/de active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2517888A1 (de) | 2011-04-27 | 2012-10-31 | Mitsubishi HiTec Paper Europe GmbH | Wärmeempfindliches Aufzeichnungsmaterial mit Authentifikationsmerkmal |
DE102011018852A1 (de) | 2011-04-27 | 2012-10-31 | Mitsubishi Hitec Paper Europe Gmbh | Wärmeempfindliches Aufzeichnungsmaterial mit Authentifikationsmerkmal |
EP2517889A1 (de) | 2011-04-27 | 2012-10-31 | Mitsubishi HiTec Paper Europe GmbH | Wärmeempfindliches Aufzeichnungsmaterial mit Authentifikationsmerkmal |
Also Published As
Publication number | Publication date |
---|---|
DE59908606D1 (de) | 2004-03-25 |
AU754452B2 (en) | 2002-11-14 |
CA2344198C (en) | 2007-05-01 |
ES2190245T3 (es) | 2003-07-16 |
EP1115949B1 (de) | 2003-01-02 |
BR9914061A (pt) | 2001-06-19 |
PL346760A1 (en) | 2002-02-25 |
DE59903926D1 (de) | 2003-02-06 |
ATE230455T1 (de) | 2003-01-15 |
CA2344198A1 (en) | 2000-04-06 |
EP1233106A1 (de) | 2002-08-21 |
EP1115949A1 (de) | 2001-07-18 |
ATE259918T1 (de) | 2004-03-15 |
US7108286B1 (en) | 2006-09-19 |
WO2000019016A1 (de) | 2000-04-06 |
AU5615099A (en) | 2000-04-17 |
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