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EP2488368A1 - Substances de marquage à bandes étroites - Google Patents

Substances de marquage à bandes étroites

Info

Publication number
EP2488368A1
EP2488368A1 EP10768457A EP10768457A EP2488368A1 EP 2488368 A1 EP2488368 A1 EP 2488368A1 EP 10768457 A EP10768457 A EP 10768457A EP 10768457 A EP10768457 A EP 10768457A EP 2488368 A1 EP2488368 A1 EP 2488368A1
Authority
EP
European Patent Office
Prior art keywords
absorption
article
marked
marker
wavelength range
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
Application number
EP10768457A
Other languages
German (de)
English (en)
Other versions
EP2488368B1 (fr
Inventor
Rüdiger Sens
Thomas Gessner
Erwin Thiel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43431087&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2488368(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BASF SE filed Critical BASF SE
Priority to EP10768457.3A priority Critical patent/EP2488368B1/fr
Publication of EP2488368A1 publication Critical patent/EP2488368A1/fr
Application granted granted Critical
Publication of EP2488368B1 publication Critical patent/EP2488368B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B41M3/144—Security printing using fluorescent, luminescent or iridescent effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper

Definitions

  • the present invention relates to methods of marking articles and articles which have been marked by this method. Furthermore, the present invention relates to methods for detecting markings on objects. Another object of the invention are methods for authenticating objects.
  • US 6,303,213 B1 describes substrates which are protected by the application of visible information against unauthorized copying.
  • the visible information is applied with the aid of dyes or pigments which have a half-width of less than 150 nm, preferably less than 100 nm, in the reflectance spectrum for the longest wavelength band.
  • dyes or pigments which have a half-width of less than 150 nm, preferably less than 100 nm, in the reflectance spectrum for the longest wavelength band.
  • the value of the absorption in solution can be used for the half-width.
  • No. 5,238,903 describes azomethine dyes for thermal printing with a half-width at the absorption maximum of 60 to 80 nm in the ethyl acetate solution (Example 1).
  • the absorption maxima of the dyes are between 430 and 620 nm.
  • EP 0 340 898 A2 describes a method for marking an article.
  • the security tag is achieved by means of an identification tag containing colorless or faintly colored, IR absorbing dyes.
  • IR dyes inter alia, nitroso, cyanine, iminium, diiminium, Dithio- lentagenen, phthalocyanines or azo compounds are mentioned.
  • WO 2004/029163 A1 describes printing inks for marking and authenticating objects.
  • the dyes or pigments of WO 2004/029163 A1 are selected so that the perception of the color space of the selected dyes with the help of the human eye is not complete.
  • the printing inks described in WO 2004/029163 A1 contain at least one dye or pigment having at least one absorption maximum in the visible region of the electromagnetic spectrum, which is clearly different from the absorption maxima of the primary colors of the CIEXYZ system and / or an absorption band in the visible range of the electromagnetic spectrum having a half-value width of more preferably less than 1500 cm -1 .
  • Dyes and pigments are selected from the classes of compounds of cyanines, quinones, porphyrins, phthalocyanines or the hetero-substituted polycyclic hydrocarbons.
  • This object has been achieved by methods for marking objects, wherein the article to be marked is brought into contact with at least one marker, wherein the absorption spectrum of the at least one marker in contact with the article at least a narrow band with a half width of ⁇ 1500 cm 1 and the at least one narrow band is in the UV and / or visible and / or IR wavelength range of the electromagnetic spectrum.
  • Expressions of the form C a -Cb designate in the context of this invention chemical compounds or substituents with a certain number of carbon atoms.
  • the number of carbon atoms can be selected from the entire range from a to b, including a and b, a is at least 1 and b is always greater than a.
  • Further specification of the chemical compounds or substituents is made by expressions of the form C a -Cb-V.
  • V here stands for a chemical compound class or substituent class, for example for alkyl compounds or alkyl substituents.
  • Halogen is fluorine, chlorine, bromine or iodine, preferably fluorine, chlorine or bromine, particularly preferably fluorine or chlorine.
  • C 1 -C 20 -alkyl straight-chain or branched hydrocarbon radicals having up to 20 carbon atoms, for example C 1 -C 10 -alkyl or C 2 -C 20 -alkyl, preferably C 1 -C 10 -alkyl, for example C 1 -C 3 -alkyl, such as methyl, ethyl, propyl, isopropyl or C 4 -C 6 -alkyl, n-butyl, sec-butyl, tert-butyl, 1,1-dimethylethyl, pentyl, 2-methylbutyl, 1,1-dimethylpropyl, 1,2-dimethylpropyl, 2,2-dimethylpropyl , 1-ethylpropyl, hexyl, 2-methylpentyl, 3-methylpentyl, 1,1-dimethylbutyl, 1,2-dimethylbutyl, 1,3-dimethylbutyl, 2,2-dimethylbut
  • C 2 -C 20 -alkenyl unsaturated, straight-chain or branched hydrocarbon radicals having 2 to 20 carbon atoms and a double bond in any position, for example C 2 -C 10 -alkenyl or C 2 -C 20 -alkenyl, preferably C 2 -C 10 -alkenyl, such as C 2 -C 4 Alkenyl, such as ethenyl, 1-propenyl, 2-propenyl, 1-methylethenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-methyl-1-propenyl, 2-methyl-1-propenyl, 1-methyl 2-propenyl, 2-methyl-2-propenyl, or Cs-C6 alkenyl, such as 1-pentenyl, 2-pentenyl, 3-pentenyl, 4-pentenyl, 1-methyl-1-butenyl, 2-methyl-1 butenyl, 3-methyl-1-butenyl, 1-methyl-2-butenyl,
  • C 2 -C 20 -alkynyl straight-chain or branched hydrocarbon groups having 2 to 20 carbon atoms and a triple bond in any position, for example example C2-Cio-alkynyl or Cn-C2o-alkynyl, preferably C2-Cio-alkynyl such as C2-C4-alkynyl, such as ethynyl, 1-propynyl, 2-propynyl, 1-butynyl, 2-butynyl, 3-butynyl, 1 Methyl-2-propynyl, or C 5 -C 7 -alkynyl, such as 1-pentynyl, 2-pentynyl, 3-pentynyl, 4-pentynyl, 1-methyl-2-butynyl, 1-methyl-3 -butynyl, 2-methyl-3-butynyl, 3-methyl-1-butynyl, 1, 1-dimethyl-2-propynyl
  • C3-C15-cycloalkyl monocyclic, saturated hydrocarbon groups having 3 to 15 carbon ring members, preferably Cs-Cs-cycloalkyl such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl or cyclooctyl and a saturated or unsaturated cyclic system such as. B. norbornyl or norbenyl.
  • Aryl a mono- to trinuclear aromatic ring system containing 6 to 14 carbon ring members, e.g. As phenyl, naphthyl or anthracenyl, preferably a mono- to dinuclear, more preferably a mononuclear aromatic ring system.
  • C 1 -C 20 -alkoxy denotes a straight-chain or branched alkyl group having 1 to 20 carbon atoms (as mentioned above) which are bonded via an oxygen atom (-O-), for example C 1 -C 10 -alkoxy or C 2 -C 20 -alkoxy, preferably C 1 C10 alkyloxy, particularly preferably Ci-C3-alkoxy, such as methoxy, ethoxy, propoxy.
  • Aryloxy is a mono- to trinuclear aromatic ring system (as mentioned above) which is attached via an oxygen atom (-O-), preferably a mono- to binuclear, particularly preferably a mononuclear aromatic ring system.
  • Arylalkyl is a mono- to trinuclear aromatic ring system (as mentioned above) which is attached via a C 1 -C 20 -alkylene group, preferably a mononuclear or dinuclear, more preferably a mononuclear aromatic ring system.
  • Preferred heteroatoms are oxygen, nitrogen and / or sulfur. Particular preference is given to nitrogen and / or oxygen.
  • Heteroatoms are phosphorus, oxygen, nitrogen or sulfur, preferably oxygen, nitrogen or sulfur whose free valencies are optionally saturated by H atoms.
  • the UV wavelength range of the electromagnetic spectrum relevant for the invention is from 180 to 380 nm. Accordingly, the visible and IR wavelength ranges of the electromagnetic spectrum are from 380 to 780 nm and 780 to 1800 nm.
  • the narrow bands have a half-value width of ⁇ ( less than) 1500 cm- 1 , on.
  • the half-width of a narrow band is preferably ⁇ (less than) 1200 cm -1 , more preferably ⁇ (less than) 1000 cm -1 , most preferably from 20 to 1000 cm -1 , especially from 20 to 800 cm -1 .
  • the marker remains permanently attached to the article after being brought into contact with the article to be marked.
  • the marker may be attached to or bonded to the article to be marked by chemical bonding or physical forces such as adsorption.
  • a permanent connection is achieved by the marker is connected by an intense interaction with the object to be marked. This intensive interaction ensures that the marker permanently, ie at least for the period of a few minutes to a few years, preferably from a few days to 25 years, more preferably from one year to 20 years, especially from one year to 10 years remains attached to the object.
  • An advantage of the method according to the invention is therefore that the marking agents have not only isolated, for example in solution, narrow bands, but also after bringing into contact with the object to be marked, for example after a printing operation.
  • the marker is in contact with an article, e.g. a label, this item itself serving to mark another item by temporarily or permanently engaging it with the other item, e.g. via an adhesive.
  • At least one of the markers has at least two narrow bands with a half-value width of ⁇ 1500 cm -1 and these narrow bands are in the UV and / or visible and / or IR wavelength range of the electromagnetic spectrum.
  • the absorption maximum of at least one narrow band is preferably in the wavelength range from 180 to 1100 nm, particularly preferably in the wavelength range from 350 to 900 nm, very particularly preferably from 350 to 750 nm, in particular from 400 to 750 nm.
  • markers selected from organic dyes or pigments are used, these being ironic bands in contact with the article to be marked.
  • inorganic chromophores are also suitable as markers, for example rare earth or transition metal compounds.
  • the rare earth ions which often have very narrow-band emission lines, which are used, for example, in fluorescent lamps and in cathode ray tubes. Examples include Y203: Eu complexes Mg 4 GeOs.5F or (Ce, Tb) MgAlnOi9 (see Industrial Inorganic Pigments: edited by Gunter Bux- tree and Gerhard Pfaff, Wiley-VCH, p 274-275, third, completely Call revised and ex- tended edition).
  • the narrow-band absorption lines of the holmium oxides used for the spectral calibration are H02O3, furthermore Ho ⁇ 3+ > in LiYF 4 or Nd: YAG compounds.
  • the markers are preferably selected from metal-containing or metal-free phthalocyanines, preferably copper phthalocyanines, silicon phthalocyanines, aluminum phthalocyanines, zinc phthalocyanines, particularly preferably silicon phthalocyanines, which are provided with sterically demanding substituents on the silicon atom or the Phthalocyaninchromophors; Cyanine dyes, preferably charged cyanine dyes, particularly preferably rhodamine, oxazine or pseudoisocyanine dyes; Merocyanines, preferably electroneutral merocyanines, more preferably merocyanines in Cyanlimit; perylene; Violanthrones, isoviolanthrones; Squaric acid dyes; Quinones, coumarins, rhodamines, or porphyrins.
  • metal-containing or metal-free phthalocyanines preferably copper phthalocyanines, silicon phthalocyanines, aluminum phthalocyanines, zinc phthalocyanines, particularly preferably silicon
  • R 1 , R 2 , R 3 , R 4 , R 5 , R 6 independently of one another, the same or different,
  • aryl radicals in the general form in the para position can also contain sulfonic acid radicals or alkali metal salts of these substituents (for example -SO 3 H, -SC 4 Na, -SO 3 K).
  • R 7 Ci-C 2 -alkyl, C 3 -C 5 cycloalkyl, aryl, hetaryl, N-heterocycle,
  • n-butyl independently of one another, identical or different, n-butyl, isobutyl, preferably the same,
  • R 8 , R 9 independently of one another, the same or different,
  • N-heterocycle here preferably pyrrolidine or piperidine.
  • Aryloxy radicals may contain in the para-position sulfonic acid residues or alkali salts of these substituents (-SO3H, -SC ⁇ Na, -SO3K).
  • merocyanine dyes according to EP 081681 16.5 may also be mentioned by way of example (formula IIa p.34 and formula L2-03 p.37).
  • an amount of the marking substance is used which can still be detected with the aid of the respective method for a later detection of the presence of the marking substance.
  • This amount of label may vary over a wide range, for example, depending on the nature of the label or detection method.
  • from 50% by weight up to a few ppb, based on the total amount of marker and article to be marked, of the marker is brought into contact with the article to be marked, preferably from 0.01 to 10% by weight.
  • the article to be marked is preferably brought into contact with at least one marker at at least one point on its surface.
  • the location to be marked on the surface is often relatively small in relation to the total surface of the article.
  • the area of the site to be marked is preferably from one square millimeter to one square centimeter.
  • the article to be marked preferably contains paper, for example cardboard or cardboard, metal, glass, ceramic or plastic. Particularly preferably, the article to be marked contains from 1 to 99 wt .-% paper, metal, glass, ceramic or plastic, most preferably from 10 to 99 wt .-%.
  • the object to be marked consists essentially of paper, metal, glass, ceramic and / or plastic.
  • the article to be marked is based on a composite material containing, for example, paper or cardboard and plastic.
  • the object to be marked is based on multilayer plastic films (laminate).
  • the object to be marked contains paper and is a banknote, a security, an admission ticket, a document, a packaging, a label or a document.
  • the object to be marked contains plastic and is a check card, a foil or a packaging.
  • the object to be marked represents a packaging for consumer goods, in particular pharmaceuticals, cosmetics, cleaning agents, foodstuffs or industrial goods, in particular automobile parts.
  • contacting the marker with the article to be marked is accomplished by printing the marker or a mixture containing the marker onto the article.
  • Ink jet printing ink jet
  • screen printing offset printing
  • flexographic printing thermal printing
  • thermal printing or (electro) photography
  • printing inks or inks are used as mixtures containing the marking substance.
  • the formulation of the mixture and / or the application of the marker or the mixture can be done with either aqueous or oil based inks or inks.
  • a further subject of the present invention is a method for detecting markings on articles which have been marked according to the invention, which comprises the following steps: a. Marking of the article according to the method of the invention, b. Irradiating the article with electromagnetic radiation comprising a wavelength range that at least partially overlaps with the at least one narrow band of the at least one marker,
  • step b. optionally, during step b. carrying out a change in the position of the at least one narrow band by a solvatochromic, electrochromic, photochromic or thermochromic influence, and
  • step b a change in the position of the at least one narrow band made by a solvatochromic, electrochromic, or thermochromic influence.
  • the change in the position of the narrow band by the action of electric and Thermochromism made.
  • a solvatochromic influence on the spectral position of the narrow band can be brought about, for example, by a change in the solvent.
  • Electrochromic influence results from the application and the change of an electric field and a thermochromic influence results from the change of the temperature.
  • a photochromic influence results from the irradiation of electromagnetic radiation.
  • the change of the spectral position is preferably recurring and is modulated with a certain frequency.
  • the modulation frequency is in this case preferably from 0.1 to 10 Hz, in particular from 0.1 to 5 Hz.
  • the irradiation of the object with electromagnetic radiation is preferably carried out with the aid of a narrow-band radiation source.
  • narrow-band radiation sources lasers such as dye lasers, solid-state lasers or laser diodes are used.
  • the narrow-band radiation source preferably has a half-width of 0.01 to 10 nm for the radiation emitted by it, particularly preferably from 0.1 to 5 nm, particularly preferably from 0.1 to 2 nm.
  • the irradiation is particularly preferably carried out with the aid of at least two, in particular narrow-band, radiation sources.
  • At least one of the markers (step a.) Has at least two narrow bands with a half-width of 20 cm -1 to 800 cm -1 and these narrow bands are in the UV - and / or visible and / or IR wavelength range of the electromagnetic spectrum and the irradiation (step b.) Is performed by means of at least two narrow-band radiation sources.
  • the determination of the absorption (step d.) Is carried out visually.
  • At least one of the markers (step a.) Has at least two narrow bands with a half-width of 0.5 nm to 10 nm, and these narrow bands are in the UV and / or visible and / or IR wavelength range of the electromagnetic spectrum and the irradiation (step b.) Is carried out with the aid of at least two narrow-band light sources and the determination of the absorption (step d.) Is carried out visually.
  • two light sources are preferably modulated in antiphase (visual lock-in method).
  • the Intensities of the two light beams adjusted so that unlabeled (areas of) objects offer the visual system very similar or substantially the same brightness.
  • step d. the determination of the absorption
  • At least one of the markers (step a.) Has at least two narrow bands with a half-width of 20 cm -1 to 800 cm -1 and these narrow bands are in the UV and / or visible and / or IR wavelength range of the electromagnetic spectrum and the irradiation (step b.) Is carried out with the aid of at least two narrow-band light sources and the determination of the absorption (step d.) Is by measuring an absorption spectrum with Help of a spectrometer performed.
  • two light sources are preferably phase-modulated (electronic lock-in method).
  • the intensities of the two light beams are adjusted so that unmarked (areas of) objects offer the spectrometer very similar or substantially the same intensities.
  • the spectrometer detects as detection or detection equipment in marked areas an oscillation with the modulation frequency of the light sources.
  • the modulation frequency is in this case preferably from 0.1 to 10 Hz, in particular from 0.1 to 5 Hz.
  • b Comparison of the absorption or absorption spectrum with a corresponding absorption or absorption spectrum of an authentic article.
  • quantities derived from the absorption or the absorption spectrum are used to compare the absorption or the absorption spectrum (step b.). For example, these quantities are intensities or positions of absorption maxima.
  • the comparison is performed by means of a computer having access to stored data for absorption, absorption spectrum or derived quantities of the authentic object.
  • the method according to the invention can also be carried out using fluorescence measurements, using appropriately markers with narrow fluorescence signals. These markers are preferably selected from the group of the above-mentioned markers.
  • the authentication is carried out with the aid of a ticket, ticket or cash machine.
  • the authentication is performed by means of a portable device.
  • the inventive method for authenticating an article is used in the authentication of consumer goods or industrial goods, in particular securities, documents, packaging.
  • Another object of the present invention are articles which have been marked by means of the inventive method for marking objects.
  • the methods according to the invention for marking for detection and authentication can be carried out with the aid of devices which are known to the person skilled in the art from the prior art and thus can be easily implemented.
  • the combination of narrow-band absorption bands, narrow-band radiation sources and the modulation of the radiation source or the band position offer an increased safety standard of the marking according to the invention over known markings of objects.
  • the basis for the production of the marking ink was the clear lacquer (matt) from Horstmann-Steinberg (ACRYLAC® Matt 57 0080/40, water-based dispersion lacquer).
  • this paint 0.01 wt .-% of the marker at room temperature (21 ° C) were stirred until a homogeneous distribution of the marker was reached.
  • the marker used was a mixture of silicon phthalocaninines:
  • the printing process was carried out with a printing machine of the company Heidelberger printing machines type GOT 52 two-color (offset printing).
  • a mark by printing was applied on white SM paper.
  • the concentration The above-mentioned marking substance in the printing ink was reduced to such an extent that, when illuminated with daylight or white artificial light, the marking was located just below the limit of visibility, ie could not be seen with the naked eye.
  • the marked white paper was overprinted with a color image (demo object). This happened with a commercial inkjet printer.
  • the perception of the marking pattern was possible, but only weakly, especially with bright backlighting.
  • a special lighting device was used.
  • This illumination device contains two light sources with different wavelengths. Two laser diodes with wavelengths of 666 nm (absorption maximum of the marker) and 650 nm were used (only weakly absorbed by the marker due to the narrow absorption band).
  • This lighting device has been implemented as a light source in the form of a light pen, with which the mark for the perception can be continuously illuminated with the human eye. Both of the above-mentioned wavelengths were alternately modulated in one-Hz rhythm. For the human eye both wavelengths appeared in the same color.
  • Example 1 can be carried out analogously for the case that the detection of the marker pattern does not take place with the human eye but with a spectrometer which is used to detect the modulation of an absorption or fluorescence signal.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Credit Cards Or The Like (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Printing Methods (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Abstract

L'invention concerne un procédé de marquage d'objets, l'objet à marquer étant amené au contact d'au moins une substance de marquage, le spectre d'absorption de la substance ou des substances de marquage en contact avec l'objet présentant au moins une bande étroite dont la largeur à mi-hauteur est < 1500 cm-1, et qui se trouve dans le domaine spectral des UV, et/ou de la lumière visible et/ou des IR du spectre électromagnétique. Les substances de marquage sont sélectionnées parmi des colorants organiques, des chromophores inorganiques ou des pigments. L'objet à marquer peut comprendre le papier, le métal, le verre, la céramique ou le plastique. En outre, l'invention concerne un procédé de détection de marquages sur des objets, comprenant le marquage de l'objet, l'irradiation de l'objet par un rayonnement électromagnétique comprenant un domaine spectral qui recouvre au moins partiellement la ou les bandes étroites de la substance de marquage ou des substances de marquage, éventuellement la réalisation d'une modification de la position de la bande étroite ou des bandes étroites et la détermination de l'absorption de l'objet, comprenant un domaine spectral qui recouvre au moins partiellement la ou les bandes étroites de la substance de marquage ou des substances de marquage.
EP10768457.3A 2009-10-16 2010-10-12 Utilisation de substances de marquage à bandes étroites Revoked EP2488368B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10768457.3A EP2488368B1 (fr) 2009-10-16 2010-10-12 Utilisation de substances de marquage à bandes étroites

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09173310 2009-10-16
PCT/EP2010/065234 WO2011045294A1 (fr) 2009-10-16 2010-10-12 Substances de marquage à bandes étroites
EP10768457.3A EP2488368B1 (fr) 2009-10-16 2010-10-12 Utilisation de substances de marquage à bandes étroites

Publications (2)

Publication Number Publication Date
EP2488368A1 true EP2488368A1 (fr) 2012-08-22
EP2488368B1 EP2488368B1 (fr) 2014-05-14

Family

ID=43431087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10768457.3A Revoked EP2488368B1 (fr) 2009-10-16 2010-10-12 Utilisation de substances de marquage à bandes étroites

Country Status (5)

Country Link
US (1) US8610893B2 (fr)
EP (1) EP2488368B1 (fr)
JP (1) JP2013507276A (fr)
CN (1) CN102574405B (fr)
WO (1) WO2011045294A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9087991B2 (en) 2011-02-01 2015-07-21 Basf Se Photovoltaic element
KR20140052016A (ko) 2011-08-12 2014-05-02 바스프 에스이 카르바졸로카르바졸-비스(디카르복스이미드) 및 반도체로서의 그의 용도
AT16766U1 (de) * 2018-12-06 2020-08-15 Engel Austria Gmbh Markier- und Detektierverfahren für thermoplastische Halbzeuge

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US8610893B2 (en) 2013-12-17
US20120194801A1 (en) 2012-08-02
JP2013507276A (ja) 2013-03-04
EP2488368B1 (fr) 2014-05-14
CN102574405B (zh) 2014-11-05
WO2011045294A1 (fr) 2011-04-21

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