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| Number | Title | Issue Date |
| 7960084 | Method of preparing information recording medium An information recording medium includes a transparent recording member and a substantially non-transparent member. The transparent recording member has at least one transparent area and a concavo-convex pattern on a first surface thereof while bearing a reverse ton... | 06/14/2011 |
| 7897307 | Marking material with birefringent nanoparticles Disclosed is a birefringent marking material comprising a vehicle for the marking material and birefringent nanoparticles having an average particle size of less than about 700 nm. The birefringent marking material, such as an ink or a toner, can be used to provide ... | 03/01/2011 |
| 7514188 | Process for providing marking on security papers A process for providing a security paper, in particular a banknote, with a coloured marking, comprising providing a photosensitive preparation on a portion of said document and submitting at least selected areas of said portion to a light beam, wherein said preparat... | 04/07/2009 |
| 7429413 | Nonmetallic label with metallic appearance In one embodiment, a nonmetallic, tamper-indicating, multi-layer label with a metallic appearance is described. The label comprises a pearlescent layer, a film layer, a patterned release layer, and a pigmented adhesive layer with the provisos that (i) the pigmented ... | 09/30/2008 |
| 7373180 | Method and apparatus for accentuating graphical elements on a mobile handset housing A transparent mobile handset housing with graphical elements such as alphanumeric characters, icons, and logos positioned directly onto the housing with visibility enhanced through backlighting. The transparent housing is covered with an opaque coating and omitted p... | 05/13/2008 |
| 7326504 | Imaged anti-copy film An anti-copy film is disclosed. The film has a light transmissive imageable substrate having opposing first and second surfaces. Each surface has an image receptive coating. Complementary positive and negative images are disposed on the first and second surfaces suc... | 02/05/2008 |
| 7315629 | System and method for authenticating objects using non-visually observable encoded indicia An authentication method comprises providing at least one object having a print region with printed material contained thereon, the print layer comprising a layer of non-visible indicia. At least a portion of the non-visible indicia is formed from an emitting substa... | 01/01/2008 |
| 7305117 | Methods and tangible objects employing machine readable data The present invention relates generally to steganography. In one implementation we provide a method comprising: receiving optical scan data representing at least a portion of a physical object. The physical object includes information steganographically hidden there... | 12/04/2007 |
| 7284270 | IC card and card certification method An IC card comprising: a core layer comprising therein an electronic element having a memory medium; an image receptive layer recording at least either text information or image information; and an optical variation element layer comprising an optical variation elem... | 10/16/2007 |
| 7270918 | Printing system, process, and product with microprinting The invention relates to printing of documents, for example bank checks. According to the various aspects of the invention, a printing system, process and product with microprinting are provided. Documents printed as described may include digitally variable micropri... | 09/18/2007 |
| 7252239 | Method for producing laser-writable data carriers and data carrier produced according to this method The invention relates to a method for producing a data carrier having a laser-markable layer and a transparent optically variable layer overlapping therewith at least in certain areas, wherein visually visible markings that at least partly overlap with the optically... | 08/07/2007 |
| 7241691 | Conducting metal oxide with additive as p-MOS device electrode Methods for fabricating high work function p-MOS device metal electrodes are provided. In one embodiment, a method is provided for producing a metal electrode including the steps of: providing a high k dielectric stack with an exposed surface; contacting the exposed... | 07/10/2007 |
| 7241537 | Method for producing an exposed substrate Method for producing an exposed substrate, which has at least two different image areas. The substrate is provided with at least two photoresist layers, which are adjusted to the type of image areas to be produced. ... | 07/10/2007 |
| 7220525 | Secure imaging toner and methods of forming and using the same A toner for printing documents that are difficult to chemically or physically forge and that are readily easy to visually verify and methods of using and forming the toner are disclosed. The toner includes a colorant for printing an image on a surface of a document ... | 05/22/2007 |
| 7220524 | System and method for producing secure toner-based images A system and a method for printing a secure document that is difficult to forge and readily easy to visually verify are disclosed. The system includes a colorant for printing an image on a surface of a document, a dye for forming a latent version of the image undern... | 05/22/2007 |
| 7215450 | Optically variable element The present invention relates to an optically variable element having surface portions with achromatic surface structures and different scatter, diffraction and reflection characteristics. The achromatic surface structures are combined with a thin-film structure, wh... | 05/08/2007 |
| 7201953 | Method for the production of a multi-layer identity card of plastic An improvement applicable to a method for the production of a multi-layer identity card of plastic wherein the card comprises one or more card core layers bonded under the action of pressure and heat and printed on either side or on opposite sides with a covering la... | 04/10/2007 |
| 7197980 | Engraving sheet and method of engraving the same An engraving sheet includes a support layer fabricated of biaxially oriented high-density polypropylene, and an engraving layer formed on the support layer and having an opacity of 40%. The engraving sheet is engraved from the engraving layer down to the support lay... | 04/03/2007 |
| 7199911 | Optical structure An optical device for security and anti-counterfeit applications has a holographic diffractive structure that includes a discrete region that in response to white light illumination generates a holographic image by a process of diffraction of light in one embodiment... | 04/03/2007 |
| 7191945 | Fraud-resistant merchandise redemption coupons A copy-resistant coupon including a human-readable section with text formed by reflective areas and dark-colored areas, and a machine-readable bar code section composed of reflective bars appearing in a light-colored background. Photosensitive devices used in copier... | 03/20/2007 |
| 7185814 | Layer structure and method of manufacture for optical memory strip (OMS) This invention discloses an optical memory strip and a data card that has at least an optical memory strip as a cutoff piece bonding and attaching to the data card for storing data accessible with an optical read/write head. The data card can further includes at lea... | 03/06/2007 |
| 7166405 | Organosol including high Tg amphipathic copolymeric binder and liquid toners for electrophotographic applications The invention provides liquid toner compositions in which the polymeric binder is chemically grown in the form of copolymeric binder particles dispersed in a liquid carrier. The polymeric binder includes one amphipathic copolymer comprising one or more S material po... | 01/23/2007 |
| 7161720 | Embedded information carrier for optical data In a system for authenticating information, a holographic element, including a first layer of optical information in a first coded pattern and a second layer of optical information in a second coded pattern is inserted into a reader. The reader includes an opening i... | 01/09/2007 |
| 7162052 | Steganographically encoding specular surfaces The present invention provides techniques to steganographically mark specular surfaces. In one implementation, we steganographically mark a specular surface by providing a steganographic signal including at least plural-bit data, and arranging ink in a pattern on th... | 01/09/2007 |
| 7157301 | Semiconductor package security features using thermochromatic inks and three-dimensional identification coding Numerous embodiments of an apparatus and method for generating an identification feature are described. In one embodiment of the present invention, portions of an identification character printed with thermochromatic ink are distributed within a three-dimensional ma... | 01/02/2007 |
| 7154170 | Semiconductor package security features using thermochromatic inks and three-dimensional identification coding Numerous embodiments of an apparatus and method for generating an identification feature are described. In one embodiment of the present invention, portions of an identification character printed with thermochromatic ink are distributed within a three-dimensional ma... | 12/26/2006 |
| 7144617 | Diffractive security element A security element (2) comprising a reflective, optically variable surface pattern (3) which is embedded in a layer composite of plastic material and which can be visually recognized from predetermined observation directions is formed from a mosaic of ... | 12/05/2006 |
| 7137337 | Process for the production of cards with images and relative image card A process for the production of image cards including printing of a sheet so as to obtain a printed sheet with a plurality of images disposed in a plurality of windows, overprinting of decorations on said image windows, deposition of a protective layer on said decor... | 11/21/2006 |
| 7135264 | Organosol including amphipathic copolymeric binder and use of the organosol to make dry toners for electrographic applications The present invention relates to amphipathic copolymeric binder particles chemically grown in a substantially nonaqueous liquid carrier to form an organosol. The invention also pertains to dry particulate electrographic toners incorporating an organosol comprising a... | 11/14/2006 |
| 7114750 | Self-authenticating documents The present invention provides a durable and self-verifying secure document system and a method for its production, wherein counterfeiting is prevented. The secure document system is potentially useful for a wide variety of documents including, but not limited to, l... | 10/03/2006 |
| 7113615 | Watermark embedder and reader A watermark system includes an embedder, detector, and reader. The watermark embedder encodes a watermark signal in a host signal to create a combined signal. The detector looks for the watermark signal in a potentially corrupted version of the combined signal, and ... | 09/26/2006 |
| 7108286 | Antifalsification paper and other antifalsification items The present invention describes security paper and security items in general containing at least one security element having at least one photoluminescent segment characterized by a linearly polarized photoluminescence and/or a linearly polarized absorption. The pre... | 09/19/2006 |
| 7097899 | Carrier of information bearing a watermark An information carrier comprising a support and a receiving layer is disclosed, together with the method of preparation. The information carrier further comprises (optionally personalized) information applied, preferably by ink jet printing, on the receiver layer, a... | 08/29/2006 |
| 7089420 | Authentication method and system The present invention provides a method and apparatus for the production and labeling of objects in a manner suitable for the prevention and detection of counterfeiting. Thus, the system incorporates a variety of features that make unauthorized reproduction difficul... | 08/08/2006 |
| 7074537 | Organosol liquid toner including amphipathic copolymeric binder having crystalline component Liquid electrographic toners are derived from organosols incorporating amphipathic copolymeric binder particles that include polymerizable, crystallizable compounds chemically incorporated into the dispersed portion of the copolymer. The invention further provides o... | 07/11/2006 |
| 7063925 | Expansion of color gamut for silver halide media The invention relates to a photographic article comprising a base material carrying at least one layer comprising a photographic image formed by combination of dyes formed from couplers wherein areas of said photo image are colored without dyes formed by couplers. | 06/20/2006 |
| 7063924 | Security device with patterned metallic reflection The invention relates to an image device comprising a base material having a pattern of diffuse and specular metallic reflectivity and overlaying said pattern an image. ... | 06/20/2006 |
| 7040663 | Value document The invention relates to a document of value such as a paper of value or ID card with a security element having an optically variable material. Said optically variable material conveys different color effects at different viewing angles. Additionally, the security e... | 05/09/2006 |
| 7029814 | Gel organosol including amphipathic copolymeric binder having crosslinking functionality and liquid toners for electrophotographic applications The invention provides liquid toner compositions in which the polymeric binder is chemically grown in the form of copolymeric binder particles dispersed in a liquid carrier. The polymeric binder includes one amphipathic copolymer comprising one or more S material po... | 04/18/2006 |
| 7018767 | Gel organosol including amphipathic copolymeric binder having acid/base functionality and liquid toners for electrophotographic applications The invention provides liquid toner compositions in which the polymeric binder is chemically grown in the form of copolymeric binder particles dispersed in a liquid carrier. The polymeric binder includes one amphipathic copolymer comprising one or more S material po... | 03/28/2006 |
