EP3322595B1 - Support de données à zone d'ouverture - Google Patents

Support de données à zone d'ouverture Download PDF

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Publication number
EP3322595B1
EP3322595B1 EP16738673.9A EP16738673A EP3322595B1 EP 3322595 B1 EP3322595 B1 EP 3322595B1 EP 16738673 A EP16738673 A EP 16738673A EP 3322595 B1 EP3322595 B1 EP 3322595B1
Authority
EP
European Patent Office
Prior art keywords
data carrier
data
viewing
security element
break
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.)
Active
Application number
EP16738673.9A
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German (de)
English (en)
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EP3322595B2 (fr
EP3322595A2 (fr
Inventor
Josef Schinabeck
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.)
Giesecke and Devrient Currency Technology GmbH
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Giesecke and Devrient Currency Technology GmbH
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
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Application filed by Giesecke and Devrient Currency Technology GmbH filed Critical Giesecke and Devrient Currency Technology GmbH
Publication of EP3322595A2 publication Critical patent/EP3322595A2/fr
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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
    • B42D25/346—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

Definitions

  • the invention relates to a data carrier, in particular a valuable document or a security paper, comprising a data carrier substrate having a perforation region with a front side and a back side, the front side of the data carrier substrate being provided with a film security element in the perforation region.
  • Data carriers in particular value documents, are usually provided with security elements for securing purposes, which permit verification of the authenticity of the data carrier and at the same time serve as protection against unauthorized reproduction of the data carrier.
  • security elements come e.g. Foil security elements into consideration, which have a foil substrate or plastic substrate and are applied by means of an adhesive layer on the data carrier.
  • the WO 95/10420 A1 describes a document of value in which the carrier is provided with a window-like opening, which is closed with an at least partially transparent cover film, wherein the cover, in particular in the region of the window-like opening with additional security features, such as diffraction structures, can be provided.
  • the WO 2005/025891 A2 describes a data carrier with a foil security element, wherein both the foil security element and the data carrier have a breakthrough area; the Breakthrough areas preferably overlap at least partially, and more preferably they are congruent.
  • the perforation region in the data carrier is covered by another side facing away from the side of the data carrier carrying the film security element.
  • the WO 2010/000432 A1 describes a document of value with an opening which is closed on one side with a translucent film.
  • a translucent coating which is preferably made over the entire surface.
  • the coatings are each independently extruded or laminated.
  • the WO 2011/015622 A1 describes a document of value having an opening which is closed on one side with an at least partially translucent or transparent film, wherein on the opposite side of the film of the document of value in the region of the opening and substantially in the region of the film surface is a coating, wherein the coating within the Opening does not exist or essentially does not exist.
  • the WO 2014/108329 A1 describes a method for producing an endless paper web for the production of security and value documents.
  • the paper web is first provided with a through opening. Subsequently, register-accurate application of a film with applied to the paper web security features.
  • the present invention has the object, a generic data carrier in such a way that the disadvantages of the prior art and in particular the protection against counterfeiting further increased.
  • the second, recognizable in transmitted light appearance of the film security element may in particular be in a sense context with the breakthrough area motif of the data carrier substrate. Furthermore, the second, visible in transmitted light appearance of the film security element together with the perforation area motif of the data carrier substrate produce a combination image.
  • a reflection in incident light is, in the sense of this invention, an illumination of the security element from one side and a viewing of the security element from the same side.
  • a reflection in reflected light is thus present, for example, when the front of the security element is illuminated and also viewed.
  • a reflection in the transmitted light is in the sense of this invention an illumination of a security element from one side and a view of the security element from another side, in particular the opposite side.
  • a reflection in transmitted light is thus, for example, when the back of the security element illuminated and the front of the security element is considered. The light thus shines through the security element.
  • the value document mentioned in the present description can be, for example, a banknote, in particular a paper banknote, a polymer banknote or a film composite banknote, a share, a bond, a certificate, a coupon, a check, a high-quality admission ticket, but also a banknote An authorization card, an identity card or a pass personalization page.
  • a banknote in particular a paper banknote, a polymer banknote or a film composite banknote, a share, a bond, a certificate, a coupon, a check, a high-quality admission ticket, but also a banknote An authorization card, an identity card or a pass personalization page.
  • the film security element mentioned in the present description may be e.g. a patch or label, a (continuous) strip, or an (endless) thread.
  • the opening region of the data carrier substrate by means of a plurality of openings breaking through the data carrier substrate, which together form an aperture region motif. It is preferred that the apertured recesses forming the aperture region motif be created in the data carrier substrate by the action of laser radiation on the data carrier substrate (i.e., by laser cutting).
  • the data carrier substrate is in particular a paper substrate or a paper-like substrate.
  • the breakthrough area motif may be in the form of a pattern or an image, in the form of characters or in the form of an encoding.
  • the breakthrough area motif is a so-called macroscopic breakthrough area motif, which is composed by a plurality of so-called microscopic erupting recesses.
  • the microscopic openings can be in the form of raster elements, for example in the form of a dot matrix and / or line raster.
  • a line grid may be formed by parallel lines, approximately parallel lines, divergent lines, or a combination of the aforementioned types.
  • microscopic is not to be understood as meaning “micrometer-sized” or the like, but is merely to be understood as relative.
  • the microscopic apertures are each to the viewer's naked eye, i. without the use of optical aids, perceptible and, in the case of the above preferred variant, give an overall picture, i. a macroscopic breakthrough area motif.
  • the perforation region motif is composed by a plurality of macroscopic breakthrough recesses.
  • the macroscopic erupting recesses form a pattern or an image or a part of an image, a character or a string or an encoding.
  • the perforation region motif is assembled by one or more macroscopic breakthrough recess (s) on the one hand and by a plurality of microscopic breakthrough recesses on the other hand.
  • the macroscopic erupting recess (or the plurality of macroscopic erupting recesses) thereby forms in particular a pattern or an image or a part of an image, a character or a character string or an encoding.
  • the microscopic apertures may be in the form of raster elements, as described above.
  • the microscopic erupting recesses may preferably have a dot size (in the case of a dot screen) or a line width (in the case of a line screen) having a width in a range of 0.05 mm to 1 mm, in particular in a range of 0.1mm to 0.4mm.
  • the distance between the adjacent microscopic break-through recesses (center-center) is preferably in a range of 0.05 mm to 1 mm.
  • the aperture region of the data carrier substrate is advantageously produced by the action of laser radiation (or laser cutting), as in the US Pat WO 2010/072329 A1 and in the WO 2011/154112 A1 described.
  • a film element which is applied by means of an adhesive layer above an opening region of a data carrier substrate formed by means of a plurality of through-breaking recesses, is significantly more robust to destruction than a film element which is applied by means of an adhesive layer above a perforation region of a data carrier substrate formed by a single opening.
  • the visual appearance of the film element or Adjust the transparency security element to the visual appearance of the breakthrough area motif of the data carrier substrate.
  • An even better protection of the opening area formed in the data carrier substrate can be ensured by providing a film element both on the front side and on the back side.
  • the first appearance of the interference-capable, multi-layered construction which can be recognized by the front side of the data carrier in incident light and the second appearance of the interference-capable, multilayered structure which can be seen in transmitted light when the front side of the data carrier is viewed can advantageously be recesses in the reflective layer and / or the semitransparent layer be generated.
  • a film security element with different incident light / transmitted light appearance is from the WO 2009/149831 A2 known.
  • the semi-transparent layer may comprise a plurality of grid-like recesses, in their entirety result in a character, a picture or a pattern. The pattern produced in this way is visible in reflected light and disappears in transmitted light.
  • a different incident light / transmitted light appearance of the multilayer structure can be achieved by combining the structure with a relief structure, in particular a diffractive relief structure, a microoptical relief structure or a sublambda structure.
  • Another preferred foil security element comprises e.g. a liquid crystal layer which shows a different color when viewed in reflected light as when viewed in transmitted light.
  • a different reflected-light / transmitted-light appearance can be achieved by combining the liquid-crystal layer with a relief structure, in particular a diffractive relief structure, a micro-optical relief structure or a sublambda structure.
  • Another preferred film security element comprises, for example, a printing layer having an effect pigment composition which, when viewed in reflected light, exhibits a different color than when viewed in transmitted light, in particular a gold / blue color change, a gold / violet color change, a green-gold / Magenta color change, violet / green color change, or silver / opaque color change.
  • a different reflected-light / transmitted-light appearance can be achieved by combining the printed layer with a relief structure, in particular a diffractive relief structure, a microoptical relief structure or a sublambda structure.
  • FIG. 1 shows a document of value 1, in the present example a banknote, in plan view.
  • the banknote 1 has an opening area 2 (shown in dashed lines).
  • the banknote 1 is provided on its front side with a film security element 3, which covers the opening area 2 of the banknote 1 on one side.
  • FIG. 2 shows a value document 4 according to a comparative example in cross-sectional view (along in the FIG. 1 shown line A-A ').
  • the document of value 4 is based on a paper substrate 5 which has a single opening 6 which breaks through.
  • the recess 6 was produced by punching and is present in the paper substrate 5 when viewed in plan view in the form of a square with the dimensions 1cm x 1cm.
  • the value document 4 is provided on the front with a film security element 7, which covers the breakthrough recess 6 on one side.
  • the film security element 7 is fixed on the paper substrate 5 by means of a marginal adhesive layer (not shown in the figure).
  • FIG. 3 shows a value document 8 according to an example according to the invention in cross-sectional view (along in the FIG. 1 shown line A-A ').
  • the document of value 8 is based on a paper substrate 9 with an opening region 10 which is formed by a plurality of recesses which penetrate the paper substrate 9.
  • the opening area 10 has the appearance according to FIG. 11 in which the black color designates the areas cut out of the paper by means of laser cutting and the white color designates the areas of paper remaining after the laser treatment.
  • the paper areas left after the laser treatment form the "macroscopic" string "PL", surrounded by sixteen thin, line-shaped paper webs.
  • the aperture region 10 is present in the paper substrate 9 when viewed in plan view in the form of a square with the dimensions 1cm x 1cm.
  • the value document 8 is provided on the front side with a film security element 11, which covers the opening area 10 on one side.
  • the film security element 11 is fixed on the paper substrate 9 by means of a marginal adhesive layer (not shown in the figure).
  • the value document 8 shown was subjected to the same experimental test as in the above comparative example, wherein the circulation resistance of the value document is simulated by contacting the value document with dirt and mechanical stress.
  • the investigation led to the result that, under extreme test conditions, the portion of the film 11 located directly above the aperture area 10 of the paper substrate 9 wears, but is not completely destroyed as in the above comparative example.
  • FIG. 4 shows the section of a film security element 12 according to a first example of the invention in incident light.
  • the observer perceives a brightly sketched area 13 (in the form of a sky) and a darkly sketched area 14 (in the form of a sea with waves).
  • FIG. 5 shows the section of the film security element 12 when viewed in transmitted light.
  • the viewer perceives the darkly sketched region 15 (in the form of a sun).
  • film security element 12 may, for example, a film substrate (eg, polyethelene terephthalate), which is provided with a three-layer, interference-capable structure, as it is eg in the WO 2009/149831 A2 is described (see in the WO 2009/149831 A2 eg the FIGS. 1 and 5 ).
  • a film substrate eg, polyethelene terephthalate
  • FIG. 6 shows the aperture area of a paper substrate 16, which with the film security element 12 of FIGS. 4 and 5 should be provided.
  • the paper substrate 16 has a paper area 17 (in FIG FIG. 6 white), from which paper areas 18 have been cut out by punching or by laser cutting.
  • the paper areas 18 together form an aperture area motif (in the form of an island and a palm tree).
  • FIG. 7 shows the paper substrate 16 of FIG. 6 , which with the foil security element 12 of the FIGS. 4 and 5 is provided, when viewed in transmitted light.
  • the viewer takes in addition to the Appearance of the film security element 12 in transmitted light (see FIG. 5 ) the breakthrough area motif 18 (see FIG. 6 true.
  • FIG. 8 shows the cross-sectional view of a value document 19 according to another example of the invention.
  • the value document 19 of FIG. 8 a paper substrate 20 with an opening portion 21, which is provided both on the front side, as well as on the back in each case with a film security element 23 and a film element 22.
  • the foil security element 23 can, for example, on the farther in connection with the FIGS. 4 and 5 based film security element 12, which is attached by means of an adhesive layer on the paper substrate 20.
  • the film element 22 may also be a film security element, ie a film element that is provided with security features such as a hologram or security printing.
  • the film element 22 may be a film security element that is similar to the film security element 23.
  • the film element 22 may also be a conventional film (without any security features) which is fastened to the paper substrate 20 by means of an adhesive layer.
  • FIG. 9 shows a film security element 24 according to a second example of the invention when viewed in incident light.
  • the viewer perceives the areas 25 and 26 in the form of a golden color.
  • the area 26 forms the string "50" and appears to the viewer compared with the background 25 in the form of a deceptively true, three-dimensional curved surface.
  • the film security element 24 comprises a film substrate and a multilayer structure with two semitransparent layers and a dielectric layer arranged between the two semitransparent layers, which appears gold-colored when viewed in reflected light and shows a blue hue when viewed in transmitted light.
  • a multilayer construction is known from WO 2011/082761 A1 known.
  • the multi-layer structure is combined in area 26 with a micro-optical relief structure.
  • the production of a micro-optical relief structure is known in the art (see, for example, the WO 2014/060089 A2 ).
  • the film substrate is first provided with an embossing lacquer which has a microoptical relief structure in certain areas.
  • the multilayer structure with two semitransparent layers and a dielectric layer arranged between the two semitransparent layers is applied to the embossing lacquer.
  • FIG. 10 shows the foil security element 24 of FIG. 9 when viewed in transmitted light. The viewer perceives the film in the form of a full-scale, uniform region 27 with a blue hue.
  • FIG. 11 shows the aperture region 28 of a paper substrate associated with the film security member 24 of FIG Figures 9 and 10 should be combined.
  • the black color indicates the areas cut out of the paper by means of laser cutting.
  • white paint in the FIG. 11 denotes the remaining after laser treatment paper areas. In the example, they are left after the laser treatment remaining paper areas the "macroscopic" string "PL", surrounded by sixteen thin, linear paper webs.
  • the area 28 has the shape of a square with the dimensions 1cm x 1cm.
  • FIG. 12 shows that in the FIG. 11 shown paper substrate 28, combined with the film security element 24 of the Figures 9 and 10 , when viewed in transmitted light.
  • the viewer takes in the FIG. 12 black areas with golden color in the form of a dark background true, in front of which the in the FIG. 12 white areas highlighted with blue hue striking in the form of a bright, visually appealing appearance stand out.
  • FIG. 13 shows a film security element 29 according to a third example of the invention when viewed in incident light.
  • the viewer perceives the areas 30 and 31 in the form of a golden color.
  • the region 31 forms the string "50" and appears to the viewer as compared to the background 30 in the form of a deceptively real, three-dimensionally curved surface.
  • the film security element 29 comprises a film substrate and a multilayer structure with two semitransparent layers and a dielectric layer arranged between the two semitransparent layers, which appears gold-colored when viewed in reflected light and shows a blue hue when viewed in transmitted light.
  • a multilayer construction is known from WO 2011/082761 A1 known.
  • the multi-layered structure is combined in area 31 with a micro-optical relief structure.
  • the production of a micro-optical relief structure is known in the art (see, for example, the WO 2014/060089 A2 ).
  • FIG. 14 shows the foil security element 29 of the FIG. 13 when viewed in transmitted light. The viewer perceives the film in the form of a full-scale, uniform area 32 with a blue hue.
  • FIG. 15 FIG. 12 shows the aperture region 33 of a paper substrate which is connected to the film security element 29 of FIGS. 13 and 14 should be combined.
  • the black color indicates the areas cut out of the paper by means of laser cutting.
  • white paint in the FIG. 15 denotes the remaining after laser treatment paper areas.
  • the area shown 33 has the shape of a square with the dimensions 1cm x 1cm.
  • FIG. 16 shows that in the FIG. 15 shown paper substrate 33, combined with the film security element 29 of the FIGS. 13 and 14 , when viewed in transmitted light.
  • the viewer takes in the FIG. 16 black areas with golden color in the form of a dark background true, in front of which the in the FIG. 16 white areas highlighted with blue hue striking in the form of a bright, visually appealing appearance stand out.
  • the aperture area in the paper substrate was merely exemplified to have the dimensions 1 cm x 1 cm and the shape of a square. It goes without saying that both the exact dimensions and the exact shape of the opening area (square shape, rectangular shape, trapezoidal shape, round shape, oval shape, archway shape, etc.) can be chosen arbitrarily.

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  • Credit Cards Or The Like (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Claims (13)

  1. Support de données (1), en particulier un document de valeur ou un papier de sécurité, comprenant un substrat de document de valeur (5) comportant une zone de transpercement (2, 10) ayant une face avant et une face arrière, cependant que
    - la face avant du substrat de document de valeur est, dans la zone de transpercement, pourvue d'un élément de sécurité formant film (7);
    - la zone de transpercement du substrat de document de valeur est constituée par une pluralité d'évidements qui transpercent le substrat de document de valeur et constituent ensemble un motif de zone de transpercement, cependant que le motif de zone de transpercement est, lors d'une observation de la face avant du support de données en lumière transmise, reconnaissable à travers l'élément de sécurité formant film ; et
    - l'élément de sécurité formant film montre, lors d'une observation de la face avant du support de données en lumière incidente, un premier aspect, et montre, lors d'une observation de la face avant du support de données en lumière transmise , un deuxième aspect qui se complète avec le motif de zone de transpercement du substrat de document de valeur,
    caractérisé en ce que le motif de zone de transpercement n'est, lors d'une observation de la face avant du support de données en lumière incidente, pas reconnaissable et est masqué par l'élément de sécurité formant film.
  2. Support de données selon la revendication 1, cependant que l'élément de sécurité formant film comporte une structure multicouche susceptible d'interférer ayant une couche réfléchissante, une couche semi-transparente et une couche diélectrique agencée entre la couche réfléchissante et la couche semi-transparente, cependant que la couleur de la structure multicouche varie en fonction de la variation de l'angle d'observation.
  3. Support de données selon la revendication 2, cependant que le premier aspect, reconnaissable lors d'une observation de la face avant du support de données en lumière incidente, de la structure multicouche susceptible d'interférer, et le deuxième aspect, reconnaissable lors d'une observation de la face avant du support de données en lumière transmise, de la structure multicouche susceptible d'interférer, est basé sur des évidements dans la couche réfléchissante et/ou dans la couche semi-transparente.
  4. Support de données selon la revendication 1, cependant que l'élément de sécurité formant film comporte une structure multicouche ayant deux couches semi-transparentes et une couche diélectrique agencée entre les deux couches semi-transparentes, cependant que la structure multicouche présente, lors de l'observation en lumière incidente d'une part, et lors de l'observation en lumière transmise d'autre part, différentes teintes.
  5. Support de données selon la revendication 1, cependant que l'élément de sécurité formant film comporte une couche cristaux liquides qui, lors de l'observation en lumière incidente, montre une autre couleur que lors de l'observation en lumière transmise.
  6. Support de données selon la revendication 1, cependant que l'élément de sécurité formant film comporte une couche imprimée ayant une composition de pigments à effet, laquelle, lors de l'observation en lumière incidente, montre une autre couleur que lors de l'observation en lumière transmise.
  7. Support de données selon une des revendications de 2 à 4, cependant que la structure multicouche est combinée à une structure en relief, en particulier à une structure en relief diffractive, à une structure en relief micro-optique ou à une structure sub-lambda.
  8. Support de données selon la revendication 5, cependant que la couche cristaux liquides est combinée à une structure en relief, en particulier à une structure en relief diffractive, à une structure en relief micro-optique ou à une structure sub-lambda.
  9. Support de données selon la revendication 6, cependant que la couche imprimée est combinée à une structure en relief, en particulier à une structure en relief diffractive, à une structure en relief micro-optique ou à une structure sub-lambda.
  10. Support de données selon une des revendications de 7 à 10, cependant que la structure en relief conduit à un aspect qui n'est visuellement reconnaissable que lors d'une observation de la face avant du support de données en lumière incidente, et non lors d'une observation de la face avant du support de données en lumière transmise.
  11. Support de données selon une des revendications de 1 à 10, cependant que les évidements transperçants constituant le motif de zone de transpercement dans le substrat de document de valeur peuvent être obtenus par effet de rayonnement laser sur le substrat de document de valeur.
  12. Support de données selon une des revendications de 1 à 11, cependant que la face arrière du substrat de document de valeur est, dans la zone de transpercement, pourvue d'un élément formant film, en particulier d'un élément de sécurité formant film, lequel est choisi indépendamment de l'élément de sécurité formant film agencé sur la face avant du substrat de document de valeur.
  13. Support de données selon selon la revendication 12, cependant que la face arrière du substrat de document de valeur est, dans la zone de transpercement, pourvue d'un élément de sécurité formant film, lequel, lors d'une observation de la face arrière du support de données en lumière incidente, montre un premier aspect, et, lors d'une observation de la face arrière du support de données en lumière transmise, montre un deuxième aspect qui se complète avec le motif de zone de transpercement du substrat de document de valeur.
EP16738673.9A 2015-07-14 2016-07-13 Support de données à zone d'ouverture Active EP3322595B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015009164.6A DE102015009164A1 (de) 2015-07-14 2015-07-14 Datenträger mit Durchbrechungsbereich
PCT/EP2016/001208 WO2017008905A2 (fr) 2015-07-14 2016-07-13 Support de données à zone d'ouverture

Publications (3)

Publication Number Publication Date
EP3322595A2 EP3322595A2 (fr) 2018-05-23
EP3322595B1 true EP3322595B1 (fr) 2019-09-11
EP3322595B2 EP3322595B2 (fr) 2023-09-27

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EP16738673.9A Active EP3322595B2 (fr) 2015-07-14 2016-07-13 Support de données à zone d'ouverture

Country Status (5)

Country Link
EP (1) EP3322595B2 (fr)
CN (1) CN107835751B (fr)
DE (1) DE102015009164A1 (fr)
ES (1) ES2755756T5 (fr)
WO (1) WO2017008905A2 (fr)

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AU2020210698A1 (en) 2019-01-21 2021-07-15 Basf Se Security element
US20230241675A1 (en) 2020-04-23 2023-08-03 Basf Se Compositions, comprising platelet-shaped transition metal particles
EP4288229A1 (fr) 2021-02-03 2023-12-13 Basf Se Compositions comprenant des nanoplaquettes d'argent
MX2023013396A (es) 2021-05-12 2023-11-27 Basf Se Composiciones que comprenden particulas de metal de transicion con forma de plaqueta.
WO2023072740A1 (fr) 2021-10-26 2023-05-04 Basf Se Procédé pour la production d'éléments d'interférence

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Also Published As

Publication number Publication date
CN107835751B (zh) 2019-10-11
EP3322595B2 (fr) 2023-09-27
EP3322595A2 (fr) 2018-05-23
ES2755756T3 (es) 2020-04-23
WO2017008905A3 (fr) 2017-04-06
ES2755756T5 (es) 2024-03-26
WO2017008905A2 (fr) 2017-01-19
CN107835751A (zh) 2018-03-23
DE102015009164A1 (de) 2017-01-19

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