EP0066854B1 - Sicherheitspapier und Verfahren zur Herstellung desselben - Google Patents
Sicherheitspapier und Verfahren zur Herstellung desselben Download PDFInfo
- Publication number
- EP0066854B1 EP0066854B1 EP82104887A EP82104887A EP0066854B1 EP 0066854 B1 EP0066854 B1 EP 0066854B1 EP 82104887 A EP82104887 A EP 82104887A EP 82104887 A EP82104887 A EP 82104887A EP 0066854 B1 EP0066854 B1 EP 0066854B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- security
- fibers
- luminescent
- security paper
- paper
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000000034 method Methods 0.000 title claims description 4
- 239000000835 fiber Substances 0.000 claims abstract description 63
- 239000013522 chelant Substances 0.000 claims abstract description 13
- 229920002301 cellulose acetate Polymers 0.000 claims abstract description 12
- 229910052747 lanthanoid Inorganic materials 0.000 claims abstract description 11
- 150000002602 lanthanoids Chemical class 0.000 claims abstract description 11
- 238000004020 luminiscence type Methods 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 7
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract 3
- 238000009826 distribution Methods 0.000 claims abstract 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 26
- 238000012360 testing method Methods 0.000 claims description 5
- 229920002678 cellulose Polymers 0.000 claims description 2
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 2
- 239000003446 ligand Substances 0.000 claims description 2
- 238000009987 spinning Methods 0.000 claims description 2
- 229910052693 Europium Inorganic materials 0.000 claims 1
- 229910052779 Neodymium Inorganic materials 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 239000002657 fibrous material Substances 0.000 claims 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 230000003595 spectral effect Effects 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 239000000976 ink Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- CVBUKMMMRLOKQR-UHFFFAOYSA-N 1-phenylbutane-1,3-dione Chemical compound CC(=O)CC(=O)C1=CC=CC=C1 CVBUKMMMRLOKQR-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000005725 8-Hydroxyquinoline Substances 0.000 description 1
- 229910017544 NdCl3 Inorganic materials 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- NNMXSTWQJRPBJZ-UHFFFAOYSA-K europium(iii) chloride Chemical compound Cl[Eu](Cl)Cl NNMXSTWQJRPBJZ-UHFFFAOYSA-K 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- ATINCSYRHURBSP-UHFFFAOYSA-K neodymium(iii) chloride Chemical compound Cl[Nd](Cl)Cl ATINCSYRHURBSP-UHFFFAOYSA-K 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 125000005936 piperidyl group Chemical group 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
-
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
Definitions
- the invention relates to a security paper with luminescent embeddings such as mottled fibers or security threads.
- security paper is understood to mean not only banknotes and other monetary documents such as checks, check cards, credit cards, but also other particularly secured documents such as identity cards and the like.
- Such paper the commercial or use value of which far exceeds the material value, must be recognized as genuine by suitable measures and distinguishable from counterfeiting and counterfeiting.
- Measures that have proven particularly useful in the past include embedding security threads and luminescent mottled fibers in the paper stock.
- Such fibers are easy to imitate because commercially available emulsions can be used to produce electrically conductive or magnetizable coatings by immersing the fiber in these emulsions and then drying them in air; for falsification of impressions in many cases a pencil line is sufficient as a replacement for an electrically conductive fiber or a line with a commercially available felt tip pen containing magnetizable ink for a magnetizable fiber.
- luminescent embeddings can rather be designed in such a way that, although they are easy and simple to detect, the luminescent substances themselves are neither commercially available nor can they be produced using the means available to the counterfeiters.
- Luminophores suitable for this purpose and their production are also described for use in security papers in CH-A 516 196.
- Chelates of the lanthanides are used as luminophores (i.e. the elements with atomic numbers 58-71 in the periodic table of the elements).
- luminophores are characterized by a particularly narrow-band emission.
- the line-emitting luminophores are mixed with a printing ink and thus printed on the document. If certain luminophores or their emission lines are present or absent, coded information is recorded which can serve as an authenticity indicator.
- the emission occurs in the visible range of the optical spectrum; emission lines in the near infrared are also used to expand the usable spectral range.
- the object of the invention is therefore to propose luminescent mottled fibers and / or security threads for security papers which are clearly identifiable and are difficult to manufacture due to their technology.
- the concentration of the luminophores in the fibers should therefore be so high that a visual authenticity check is possible even in daylight conditions.
- security paper is equipped with narrow-band luminescent mottling fibers or security threads made of cellulose acetate; the luminophores used are lanthanide chelates, the luminophore used in each case is dissolved uniformly and with a high concentration in the volume of the cellulose acetate fiber.
- the luminescent fiber is colorless and detects intensively in the red after excitation with UV light.
- cellulose acetate is dissolved in acetone and mixed with an acetone solution of a lanthanide chelate.
- the lanthanide chelates used are soluble in acetone up to high concentrations; Experiments have achieved solubilities of 68% (weight) in acetone.
- the mixture of the solution mentioned prepared in this way is then spun into a fiber in a manner known per se.
- the fiber of this invention is preferably colorless and transparent; however, it can also be set to white or colored by additives in a manner known to the person skilled in the art.
- the fiber For use as mottled fiber, the fiber is now generally crimped and cut to a length of 3 to 4 mm.
- the mottled fibers thus obtained can then be added to the pulp of a paper machine by known methods without further treatment.
- the spun material is advantageously twisted into a thread; it has proven to be extremely difficult to directly obtain threads of sufficient thickness with the spinning process used.
- the security thread with information by twisting it from different luminescent individual fibers.
- the presence or absence of certain luminophores - recognizable by the presence or absence of certain emission lines or colors - then form the coded information; this can e.g. B. specify the value of banknotes.
- a particularly striking advantage of these fibers according to the invention is that the luminophore content could be increased by a factor of 20 compared to the prior art.
- the luminescence intensity is also increased accordingly. This surprising effect is caused by the extremely high solubility of the lanthanide chelates in acetone, which has already been mentioned above.
- a fiber can be dissolved or dissolved with acetone to check the authenticity of the security paper according to the invention; the luminophore also loosens and «bleeds into the paper stock.
- a correspondingly broad stain can therefore be seen under the UV lamp, which can be used as an authenticity criterion. Because the stain is not visible under room or daylight, a security paper tested in this way can then be put back into circulation. Such an authenticity check cannot be carried out with known mottled fibers.
- Another important advantage results from the narrow-band nature of the luminescence emission of fibers according to the invention. So z. B.
- a Europium-ß-diketone chelate with a concentration of 5% (weight) is used in a transparent cellulose acetate fiber.
- this fiber When excited with ultraviolet light, this fiber shows a very intense emission in the red; the corresponding emission line only has a spectral width of 5 nm.
- this invention is the first to produce a colorless fiber that luminesces strongly in red. Mottled fibers with conventional, broadband fluorescence, on the other hand, always have a body color and can therefore already be seen with the naked eye.
- the invention is in no way limited to fibers and threads with luminescence emission in the visible.
- Example 2 describes a lanthanide chelate which emits exclusively in the infrared but otherwise has the same properties with regard to the invention as the luminophores emitting in the visible.
- the use of such mottled fibers or security threads is such.
- B. advantageous if one does not want to make the authenticity check understandable by everyone for given reasons. In such devices, the emitted light is detected and evaluated by appropriate IR photo detectors or also by IR image converters.
- a suitable test device for the detection of luminescent mottled fibers is e.g. B. described in DE-B-20 37 755; it only has to be adapted to the luminophore used by appropriate selection of the filter and the photo receiver.
- R and R ' can be the same or different or can also be parts of a cyclic product: z . B.
- a 30% acetone solution is prepared from the synthesized chelate, and this is then added to an acetone solution of cellulose acetate. Then the mixture is pressed through a nozzle into a heated chute and thus spun into an endless thin fiber of cellulose acetate, which contains the luminophore up to a proportion of 10% (weight) in volume. The fiber is then crimped and cut into sections approximately 3 mm in length. The mottled fibers thus produced luminesce intensely at 610 nm when they are irradiated with ultraviolet light; the fibers are lightfast up to WS3 and resistant to petrol, benzene, ether and oils.
- the fibers are added to the pulp of a paper machine in a known manner.
- the corresponding chelate is prepared as described in Example 1, except that instead of 1 mol of EuCl 3 - 6H 2 O mole NdCl3 .6H 2 O is used.
- a 30% acetone solution is again produced from the chelate synthesized in this way, this is mixed with an acetone solution of cellulose acetate and spun into a fine fiber. Then several of these fibers are twisted into a thread 0.5 mm wide. This thread is colorless and luminescent intensely in the infrared at 1.06 ⁇ m after excitation with visible light; it is lightfast and resistant to petrol, benzene, ether and oils.
- To produce a corresponding security paper it is guided on a double-round paper machine from a roll between the two layers of the sheet that is formed and is thus enclosed by the paper stock.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
- Credit Cards Or The Like (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Details Of Garments (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT82104887T ATE12532T1 (de) | 1981-06-05 | 1982-06-03 | Sicherheitspapier und verfahren zur herstellung desselben. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3122470A DE3122470C2 (de) | 1981-06-05 | 1981-06-05 | Sicherheitspapier und Verfahren zur Herstellung desselben |
DE3122470 | 1981-06-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0066854A1 EP0066854A1 (de) | 1982-12-15 |
EP0066854B1 true EP0066854B1 (de) | 1985-04-03 |
Family
ID=6134067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82104887A Expired EP0066854B1 (de) | 1981-06-05 | 1982-06-03 | Sicherheitspapier und Verfahren zur Herstellung desselben |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0066854B1 (ja) |
JP (1) | JPS5854099A (ja) |
AT (1) | ATE12532T1 (ja) |
DE (1) | DE3122470C2 (ja) |
ES (1) | ES514027A0 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6832783B2 (en) | 1999-02-08 | 2004-12-21 | Spectra Science Corporation | Optically-based methods and apparatus for performing sorting, coding and authentication using a gain medium that provides a narrowband emission |
US6893489B2 (en) | 2001-12-20 | 2005-05-17 | Honeywell International Inc. | Physical colored inks and coatings |
US7122248B2 (en) | 2001-02-21 | 2006-10-17 | Honeywell International Inc. | Security articles |
WO2012167894A1 (en) | 2011-06-06 | 2012-12-13 | Sicpa Holding Sa | In-line decay-time scanner |
WO2014191029A1 (en) | 2013-05-28 | 2014-12-04 | Sicpa Holding Sa | Sequenced illumination in mark reading devices |
WO2019121315A1 (en) | 2017-12-22 | 2019-06-27 | Sicpa Holding Sa | Light sensor and decay-time scanner |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2566440B1 (fr) * | 1984-06-22 | 1988-07-22 | Jalon Michel | Fibres de securite et autres matieres rendues luminescentes par un procede de teinture, leurs procedes de realisation et leurs applications |
FR2585987B1 (fr) * | 1985-08-08 | 1989-02-03 | Petrel Sarl | Procede de marquage de securite, matieres pourvues de marques de securite |
US5118349A (en) * | 1986-08-19 | 1992-06-02 | Petrel | Security markings, material provided with security marks, and apparatus to detect the security mark |
FR2603043B1 (fr) * | 1986-08-19 | 1988-11-10 | Petrel Sarl | Marquage de securite, matieres pourvus de marques de securite, appareil pour reveler la marque de securite |
JP2585245B2 (ja) * | 1987-02-27 | 1997-02-26 | 株式会社日立製作所 | セキユリテイ・スレツド検出装置 |
DE3843077A1 (de) * | 1988-12-21 | 1990-06-28 | Gao Ges Automation Org | Sicherheitselement in form von faeden oder baender zur einbettung in sicherheitsdokumente sowie verfahren zur herstellung und pruefung derselben |
CA2160456C (en) * | 1993-04-16 | 2003-03-11 | Toru Murakami | Anti-falsification paper |
DE29513468U1 (de) * | 1995-08-22 | 1997-01-02 | Hummel GmbH & Co., 71106 Magstadt | Fälschungssicheres Dokument |
FI98744C (fi) * | 1996-01-17 | 1997-08-11 | Valtion Teknillinen | Menetelmä paperin merkkaamiseksi ja laitteisto merkatun paperin detektoimiseksi |
US6068895A (en) * | 1997-08-27 | 2000-05-30 | Nippon Dom Co., Ltd. | Woven security label |
US6744525B2 (en) | 1997-11-25 | 2004-06-01 | Spectra Systems Corporation | Optically-based system for processing banknotes based on security feature emissions |
DE19962790A1 (de) | 1999-12-23 | 2001-06-28 | Giesecke & Devrient Gmbh | Sicherheitspapier mit aufgebrachter Codierung aus lumineszierenden Melierfasern |
FR2813134B1 (fr) * | 2000-08-21 | 2004-01-16 | Banque De France | Procede d'authentification de documents sensibles |
DE10047677A1 (de) * | 2000-09-25 | 2002-04-25 | Jackstaedt Gmbh | Lumineszenzfähige Beschichtungsmasse |
GB0126065D0 (en) * | 2001-10-31 | 2001-12-19 | Elam T Ltd | Document authentication |
DE10206626A1 (de) * | 2002-02-15 | 2003-08-28 | Orga Kartensysteme Gmbh | Verfahren zur Ausstattung von Datenträgerkarten mit einem Sicherheitsmerkmal und nach dem Verfahren hergestellte Datenträgerkarte |
BR0315835A2 (ja) * | 2002-10-30 | 2009-01-20 | ||
AU2003298093A1 (en) * | 2002-10-30 | 2004-05-25 | Ciba Specialty Chemicals Holding Inc. | Process for incorporation of uv-luminescent compounds in polymeric materials |
DE10346687A1 (de) * | 2003-10-08 | 2005-05-04 | Giesecke & Devrient Gmbh | Codierungssystem für Wertdokumente |
NL1026430C2 (nl) * | 2004-06-16 | 2005-12-19 | Vhp Ugchelen Bv | Veiligheidspapier, omvattende een door zijden begrensd substraatoppervlak, voorzien van een luminescentie vertonend veiligheidskenmerk. |
DE102005041054A1 (de) | 2005-08-30 | 2007-03-01 | Giesecke & Devrient Gmbh | Verfahren und Vorrichtung zur Echtheitsprüfung von Banknoten |
DE102014203080A1 (de) * | 2014-02-20 | 2015-08-20 | Bundesdruckerei Gmbh | Verfahren zur Herstellung einer Polymerschicht mit mindestens einem darin enthaltenen feinteiligen Feststoff, Polymerfolie und Verfahren zur Herstellung eines Folienkörpers |
US9633579B2 (en) | 2014-06-27 | 2017-04-25 | Eastman Chemical Company | Fibers with physical features used for coding |
US9863920B2 (en) | 2014-06-27 | 2018-01-09 | Eastman Chemical Company | Fibers with chemical markers and physical features used for coding |
US9851341B2 (en) | 2014-06-27 | 2017-12-26 | Eastman Chemical Company | Fibers with chemical markers used for coding |
BE1027929B1 (nl) | 2019-12-27 | 2021-08-03 | Italmaster Belgium | Werkwijze voor het produceren van gekleurde kunststofvezels |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3068063A (en) * | 1962-12-11 | Cellulose acetate spinning solutions | ||
US2208653A (en) * | 1937-09-16 | 1940-07-23 | Celanese Corp | Safety paper |
US2255696A (en) * | 1938-04-05 | 1941-09-09 | Waterlow & Sons Ltd | Means for safeguarding bank notes, bonds, and like documents of value from fraudulent imitation |
CH516196A (de) * | 1965-03-08 | 1971-11-30 | American Cyanamid Co | Verfahren zum Wiedererlangen aufgezeichneter Information |
BE754221A (fr) * | 1969-08-01 | 1970-12-31 | Ncr Co | Dispositif d'avancement de supports d'enregistrement |
JPS5634782A (en) * | 1979-08-31 | 1981-04-07 | Asahi Chem Ind Co Ltd | Novel energy converting substance and illuminant |
-
1981
- 1981-06-05 DE DE3122470A patent/DE3122470C2/de not_active Expired
-
1982
- 1982-06-03 AT AT82104887T patent/ATE12532T1/de not_active IP Right Cessation
- 1982-06-03 EP EP82104887A patent/EP0066854B1/de not_active Expired
- 1982-06-04 ES ES514027A patent/ES514027A0/es active Granted
- 1982-06-04 JP JP57095026A patent/JPS5854099A/ja active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6832783B2 (en) | 1999-02-08 | 2004-12-21 | Spectra Science Corporation | Optically-based methods and apparatus for performing sorting, coding and authentication using a gain medium that provides a narrowband emission |
US7122248B2 (en) | 2001-02-21 | 2006-10-17 | Honeywell International Inc. | Security articles |
US7357986B2 (en) | 2001-02-21 | 2008-04-15 | Honeywell International Inc. | Security articles |
USRE42188E1 (en) | 2001-02-21 | 2011-03-01 | Honeywell International Inc. | Security articles |
US6893489B2 (en) | 2001-12-20 | 2005-05-17 | Honeywell International Inc. | Physical colored inks and coatings |
WO2012167894A1 (en) | 2011-06-06 | 2012-12-13 | Sicpa Holding Sa | In-line decay-time scanner |
WO2014191029A1 (en) | 2013-05-28 | 2014-12-04 | Sicpa Holding Sa | Sequenced illumination in mark reading devices |
WO2019121315A1 (en) | 2017-12-22 | 2019-06-27 | Sicpa Holding Sa | Light sensor and decay-time scanner |
Also Published As
Publication number | Publication date |
---|---|
ATE12532T1 (de) | 1985-04-15 |
JPS5854099A (ja) | 1983-03-30 |
DE3122470A1 (de) | 1983-01-05 |
ES8400524A1 (es) | 1983-10-16 |
ES514027A0 (es) | 1983-10-16 |
DE3122470C2 (de) | 1985-09-05 |
EP0066854A1 (de) | 1982-12-15 |
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