Patent application number | Description | Published |
20080241492 | Ir-Absorbing Intaglio Ink - Pasty ink for the engraved steel die printing process, having a viscosity value above 3 Pa·s, preferably above 5 Pa·s at 40° C., and comprising an infrared absorbing material, wherein said infrared absorbing material is a transition element compound whose IR-absorption is a consequence of electronic transitions within the d-shell of transition element atoms or ions. | 10-02-2008 |
20090184169 | Coating Composition for Producing Magnetically Induced Images - The present invention is related to a coating composition for the production of a magnetically induced image, consisting of volatile components (S) and non-volatile components, the latter consisting of an ink vehicle (I) and magnetically orientable optically variable interference pigment (P), to a process for manufacturing the coating composition, and to the use of the composition for the production of a magnetically induced image coating on a substrate with the help of applied magnetic fields. Said magnetically induced image coating may be used as a security device on value- or identity documents, brand protection labels and the like. | 07-23-2009 |
20090200791 | Oriented Image Coating on Transparent Substrate - The present invention discloses a security element comprising a transparent substrate and a magnetically oriented image coating on said substrate, wherein said image coating is preferably laid out such as to show a 3-dimensional effect, appearing in positive or negative relief respectively, if observed form the recto- or the verso side, respectively. The security element can be easily identified by the unaided eye, by just turning around the document and observing the angle-dependent image on either side. On the other hand, the security element cannot be reproduced by scanning or copying the document. | 08-13-2009 |
20090278345 | Black-to-Color Shifting Security Element - The invention discloses a security element for a banknote, a document of value, right or identity, a ticket, a label, a branded good identifier, or a tax banderole. The element comprises a combination of a coating containing at least one optically variable pigment having a substantial viewing-angle dependent color variation, with at least one selective spectral absorbing material, which blocks out visible spectral components reflected by the optically variable pigment at orthogonal incidence. The security element appears black when viewed at orthogonal angle, and colored when viewed at grazing angle. | 11-12-2009 |
20100040845 | Method and Means for Magnetically Transferring Indicia to a Coating Composition Applied on a Substrate - The invention concerns a device for magnetically transferring indicia, such as a design or an image, to a wet coating layer applied on a substrate, such as a sheet or a web, wherein the said coating layer comprises at least one type of magnetic or magnetizable particles; said device comprising a) at least one magnetized permanent-magnetic plate ( | 02-18-2010 |
20110298207 | MAGNETICALLY ORIENTED INK ON PRIMER LAYER - Disclosed is a security document (D), having a substrate (S) coated with at least one first coating layer (P), and over said first coating layer (P) at least one second coating layer (I), said second coating layer (I) comprising at least one type of magnetic or magnetizable particles (F), wherein indicia are embodied in the coating layer (I) through a selective orientation of the said magnetic or magnetizable particles (F). Further disclosed is a process of making said security document. | 12-08-2011 |
20120055355 | MAGNETIC ORIENTING AND PRINTING - The invention discloses a device and a process for producing indicia comprising magnetically oriented magnetic or magnetizable particles in an ink or coating composition on a sheet of substrate material. The device comprises a flat-bed screen-printing unit having a flat printing screen and a printing platen for receiving said sheet, the printing platen having an upper surface facing the printing screen and a first direction along its upper surface along which said sheet is unloadable, and a magnetic orienting unit comprising multiple magnet assemblies. The magnetic orienting unit is disposed below the upper surface of the printing platen, said multiple magnet assemblies are disposed along said first direction, and all of said magnet assemblies are concomitantly movable from a first position away from the upper surface of the printing platen to a second position close to the upper surface of the printing platen. | 03-08-2012 |
20120065313 | IR-ABSORBING INTAGLIO INK - Pasty ink for the engraved steel die printing process, having a viscosity value above 3 Pa·s, preferably above 5 Pa·s at 40° C., and comprising an infrared absorbing material, wherein said infrared absorbing material is a transition element compound whose IR-absorption is a consequence of electronic transitions within the d-shell of transition element atoms or ions. | 03-15-2012 |
20120091699 | PIEZOCHROMIC SECURITY ELEMENT - The invention discloses a reversibly piezochromic security element for the forgery-protection of value documents, the security element being characterized in that it comprises a collection of optically contrasting pigment particles in a film or a coating layer of an elastic polymer. In a particular embodiment, the particles are optically variable pigment flakes, oriented in a position which is substantially different from an alignment in the plane of the film or coating layer. | 04-19-2012 |
20120091701 | CLEAR MAGNETIC INTAGLIO PRINTING INK - The invention discloses an ink for the engraved steel die printing process, having a viscosity at 40° C. between 3 Pa.s to 15 Pa.s, preferably 5 to 10 Pa.s, and comprising a polymeric organic binder and magnetic pigment particle, characterized in that said magnetic pigment particles comprises a magnetic core material which is surrounded by at least one layer of another material. The surrounding layers, single or in combination, confer the pigment particle particular optical properties in the visible and/or in the near IR, chosen from high specular or diffuse reflectance, spectrally selective absorption or reflection, and angle-dependent absorption or reflection, and allow for the formulation of inks having a large gamut of color and other optical functionalities. | 04-19-2012 |
20120205905 | SECURITY ELEMENT DISPLAYING A VISUAL MOTION EFFECT AND METHOD FOR PRODUCING SAME - Device for the counterfeit protection of a banknote, a document of value or an article. The device includes a substrate (S), and on the substrate (S) a plurality of jointly visible zones of first ( | 08-16-2012 |
20120286503 | COATING COMPOSITION FOR PRODUCING MAGNETICALLY INDUCED IMAGES - The present invention is related to a coating composition for the production of a magnetically induced image, consisting of volatile components (S) and non-volatile components, the latter consisting of an ink vehicle (I) and magnetically orientable optically variable interference pigment (P), to a process for manufacturing the coating composition, and to the use of the composition for the production of a magnetically induced image coating on a substrate with the help of applied magnetic fields. Said magnetically induced image coating may be used as a security device on value- or identity documents, brand protection labels and the like. | 11-15-2012 |
20130033032 | SECURITY THREAD OR STRIPE COMPRISING ORIENTED MAGNETIC PARTICLES IN INK, AND METHOD AND MEANS FOR PRODUCING SAME - The present invention concerns a security thread or stripe for the incorporation into or onto a value-document or currency substrate, as well as a method and means of making such thread or stripe. The thread or stripe comprises a plastic foil which carries a hardened coating comprising oriented magnetic or magnetizable pigment particles, the orientation of said pigment particles representing graphic information. Preferred are optically variable magnetic or magnetizable pigment particles. Said hardened coating may also be comprised between a first and a second plastic foil. Said graphic information is a repetitive seamless pattern of suitable repetition length, which is produced using a magnetic orienting cylinder having a corresponding repetitive seamless magnetic field pattern. A magnetic orienting cylinder and a process for process for producing such magnetic orienting cylinder are also disclosed. The process comprises the coating of a cylindrical support body with a polymer material comprising a high-coercivity permanent-magnetic powder as a filler material, and magnetizing or engraving the seamless outer cylinder surface to form on the cylinder a repetitive seamless magnetic field pattern. | 02-07-2013 |
20130183067 | DEVICE, SYSTEM AND METHOD FOR PRODUCING A MAGNETICALLY INDUCED VISUAL EFFECT - The invention relates to a device, system and method for producing magnetically induced visual effects in coatings, particularly security or decorative features, containing orientable magnetic particles. The device comprises a printing unit, an orientation means, a substrate-guiding system and a photocuring unit. The printing unit is arranged to print with the coating composition an image on a first side of a substrate. The orientation means comprises a magnetic field generating element for orienting the magnetic particles in the coating composition of the printed image. The substrate-guiding system is arranged to bring and hold the substrate in contact with the orientation means. The photocuring unit irradiates the image printed on the substrate to at least partially cure the coating composition of the image while the substrate is still in contact with the orientation means. The photocuring unit is configured such that its emission of thermal radiation energy is such limited as to not heat the orientation means to an average temperature T | 07-18-2013 |
20140233033 | OPTICALLY VARIABLE ENTITY AUTHENTICATING DEVICE AND METHOD - Disclosed is a device for the authentication of an optically variable entity exhibiting a color shift with changing viewing-angle, the device comprising a plate of light-refractive material, said plate having two surfaces and an array of light-refracting protrusions or recesses on at least one of said surfaces, and being disposed in said device such as to provide, aside each other, a direct view and a view through said plate onto at least parts of said optically variable entity, said view through said plate being an angularly deflected view, resulting from light refraction at said protrusions or recesses. Further disclosed is a method for authenticating an optically variable entity, as well as the use of a plate having two parallel surfaces and an array of positive or negative light-refracting protrusions or recesses on at least one of said surfaces for authenticating an optically variable entity. | 08-21-2014 |