Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8083894 | Method for manufacturing a security paper The present invention relates to a method for manufacturing a security paper, for security or value documents, that exhibits at least one through opening (12) having characteristic irregularities (14) in the edge region. According to the present invent... | 12/27/2011 |
| 7985320 | Security or special paper with internal tactile recognition elements Applicable to be used to issue notes of legal tender or any other type of document to facilitate its tactile recognition or prevent its falsification. It consists of a sheet of paper in which expanding agents have been inserted, either centered heightwise or near th... | 07/26/2011 |
| 7820009 | Cellulose composites comprising hydrophobic particles and their use in paper products Polymer composite films were prepared by solvent casting suspensions of quantum dots (QDs) in cellulose triacetate (CTA) solution. The films were robust and possessed the optical properties characteristic of QDs. Transmission electron microscopy (TEM) images of the ... | 10/26/2010 |
| 7632380 | Article formed from at least a fibrous material jet comprising at least a null thickness zone and method for making same The present invention relates to an article formed from at least one ply of fibrous material comprising at least one region of zero thickness, characterized in that said region is covered on at least one of its faces with an at least partly transparent or translucen... | 12/15/2009 |
| 7628887 | Security paper or board product and security package A security paper or board product carrying micro or nano structures such as diffractive optical elements is formed in which the diffractive structures are integrated into the security paper or board product in the manufacturing process. A security package carrying d... | 12/08/2009 |
| 7431798 | Security paper Security paper adapted to resist fraudulent alteration of toner-printed information thereon and to make such alteration or attempts at alteration evident has a maximum Scott-Bond strength of 150 J m−2; a Bendtsen roughness of not more than about 150 ml ... | 10/07/2008 |
| 7429308 | Method of manufacturing an article comprising at least one electronic chip The present invention provides a method of manufacturing an article comprising a fiber layer and at least one electronic chip, the fiber layer being formed by depositing fibers on a surface immersed in a dispersion of fiber material. The method includes the followin... | 09/30/2008 |
| 7399513 | Paper including watermarks and/or embossing The invention relates to improvements in paper, and in particular to the use of watermarks and/or embossings for strengthening paper sheets and documents made therefrom. The invention therefore provides a sheet of paper having at least three corners and three sides ... | 07/15/2008 |
| 7384507 | Watermarked paper Watermarked paper, preferably shadow-watermarked paper is produced in conventional manner and then size-press dyed using a pigment dyestuff composition. This results in unusual and attractive decorative effects as a result of preferential dye take-up in parts of the... | 06/10/2008 |
| 7367592 | Marking substance and security markings for testing the authenticity of documents The invention relates to a marking substance for security documents of the kind difficult to discern by counterfeiters. The preferred marking substance is polyethylene dioxythiophene polystyrene sulfonate and, more particularly, PEDT/PSS of the CPP105 formulation. | 05/06/2008 |
| 7357986 | Security articles This invention provides security articles comprising fibers, threads and fiber sections (“dots”) possessing multiple verification characteristics. The fibers possess unique and difficulty duplicated combinations of complex cross-sections, components, and multipl... | 04/15/2008 |
| 7347917 | Paper incorporating a wide elongate impermeable element, and a method of making of the same Paper incorporating a wide elongate impermeable element with regions at least partially exposed at one surface of the paper at two sets of windows at spaced locations has its windows formed by two sets of raised portions on the support surface of the papermaking mac... | 03/25/2008 |
| 7294287 | Quinophenanthrine diones fluorescent whitening agents Tetrahydro- and dihydroquinophenanthrine dione fluorescent whitening agents and a process for their preparation are provided. ... | 11/13/2007 |
| 7277601 | Remote authentication system An authentication and/or tracking system for identifying, tracking, authenticating and/or otherwise checking the legitimacy of one or more items which include a coded identity tag or mark, the system comprising identification means for reading said coded identity ta... | 10/02/2007 |
| 7264691 | Fibrous substrates A fibrous security substrate for use in producing documents includes at least one aperture extending therethrough and contains an elongate impermeable element at least partially embedded therein such that at least one edge thereof is exposed in the aperture. ... | 09/04/2007 |
| 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 |
| 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 |
| 7175739 | Method for incorporating feature substances into a paper web A method and apparatus for incorporating feature substances into a still moist but already sufficiently consolidated paper web provides for directing a feature substance suspension onto the surface of the paper web as a laminar jet with low jet pressure. A special p... | 02/13/2007 |
| 7152047 | System and method for production and authentication of original documents A system and method for authenticating documents and content thereof. A counterfeit resistant document recording medium is provided, having thereon a predefined unique document identifier and at least one security feature. The recording medium is thereafter imprinte... | 12/19/2006 |
| 7130087 | Methods and apparatus to produce security documents Security documents (e.g. passports, currency, event tickets, and the like) are encoded to convey machine-readable multi-bit binary information (e.g., a digital watermark), usually in a manner not alerting human viewers that such information is present. The documents... | 10/31/2006 |
| 7122248 | Security articles This invention provides security articles comprising fibers, threads and fiber sections (“dots”) possessing multiple verification characteristics. The fibers possess unique and difficulty duplicated combinations of complex cross-sections, components, and multipl... | 10/17/2006 |
| 7113690 | Anti-counterfeit method and system by using a nano metal grating An anti-counterfeit method and system by using a nano metal grating, wherein an object to be recognized is formed with the nano metal grating. During the recognition process, an incidental light is applied on the metal grating. In response to the incidental light, t... | 09/26/2006 |
| 7111782 | Systems and methods for providing security in a voting machine The invention provides systems and methods for ensuring security for a voting machine. The voting machine can include a display screen upon which numerous election choices are displayed for selection by a voter. A detachable printer can also be provided that is adap... | 09/26/2006 |
| 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 |
| 7074299 | Process for using a phloroglucinol color delta to control blending, deinking and bleaching of groundwood-containing secondary pulp A method of processing papermaking fiber includes characterizing the initial color of the pulp and the color of the pulp after treatment with a phloroglucinol stain. The color response of the pulp to the stain has been found to be a better indicator of processing ne... | 07/11/2006 |
| 7076084 | Methods and objects employing machine readable data A tangible object (such as a microprocessor, wristwatch, pharmaceutical, compact disc, vehicle part, etc) is surface-textured to encode a plural-bit code thereon. In one arrangement, this encoding conveys date information. In use, the object can be imaged by a scann... | 07/11/2006 |
| 7054463 | Data encoding using frail watermarks Image, video, or audio data is encoded with both a frail and a robust watermark. The two watermarks respond differently to different forms of processing (e.g., copying the object may render the frail watermark unreadable), permitting an original object to be disting... | 05/30/2006 |
| 7028188 | Document authentication using the physical characteristics of underlying physical media A method for authenticating a document in which a document key for the document is generated by examining one or more attributes of a physical media that underlies the document. An original image is then imparted onto the physical media so that the original image is... | 04/11/2006 |
| 6974623 | Antifalsification paper provided with applied coding consisting of luminescent mottled fibers The invention relates to a security paper with at least two types of mottled fibers, which differ in terms of their luminescent characteristics and form a code. In each case one type of mottled fibers is present in a defined subarea of the security paper, and the co... | 12/13/2005 |
| 6930606 | Security device having multiple security detection features A security device, such as a security thread, uses multiple security detection features provided by combining metal and metal/magnetic security features on a carrier substrate. The security detection features basically comprise an optionally repeating pattern of dis... | 08/16/2005 |
| 6922480 | Methods for encoding security documents Line art on a banknote or other security document is slightly changed to effect the encoding of plural-bit digital data (i.e. the banknote is digitally watermarked). When such a banknote is thereafter scanned, the resulting image data can be recognized as correspond... | 07/26/2005 |
| 6911115 | Security paper Security paper (1) has a security zone (2) for providing protection against mechanical falsification. The security zone comprises a set of cells (3) indented in the paper and optionally interconnected by indented link portions, the thickness of ... | 06/28/2005 |
| 6902331 | Method and apparatus for secure printing The present disclosure relates to a method for printing a secure image on media using an inkjet printing device. The method includes printing an underlayer using an inkjet printing device that penetrates into a front surface of media. The underlayer is configured to... | 06/07/2005 |
| 6824647 | Method for marking a sheet of paper and sheet with a watermark A method for marking a watermark-type pattern onto at least part of an absorbent paper sheet is described. The method involves stress-deforming the sheet by making it pass between at least one first roll and at least one second roll. A film of additive is applied in... | 11/30/2004 |
| 6733627 | Method for manufacturing paper having variable characteristics A method for manufacturing paper having a variable characteristic in a crossmachine direction including the steps of feeding a slurry to a distributor and delivering the slurry from the distributor to a headbox through a plurality of delivery lines. The delivery lin... | 05/11/2004 |
| 6665406 | Variable density verification A counterfeit-resistant document comprises a contrasting layer and a dynamic camouflaging layer. The contrasting layer is highly contrastive and includes a latent message that can be reproduced over a broad range of copy device control settings. The dynam... | 12/16/2003 |
| 6663960 | Fluorescent particles, method for preparing the same and paper preventing forgery using the fluorescent particle Fluorescent particles strongly fluorescing upon irradiation with ultraviolet rays, as well as a process for producing the same, are provided. A water-insoluble fluorescent dyestuff and/or pigment fluorescing upon irradiation with ultraviolet rays and a po... | 12/16/2003 |
| 6630055 | Coated paper including a pseudo-watermark, and a method of manufacture The present invention relates to a method of manufacturing a coated paper having at least one mark resembling a watermark, the method being characterized in that said mark is made after the drying step which follows the last coating operation, by performi... | 10/07/2003 |
| 6616803 | Making paper This invention is directed to improvements in paper incorporating an elongate impermeable element, to a method of making such paper and to documents made therefrom. The invention therefore comprises a method of making single ply paper having an elongate i... | 09/09/2003 |
| 6592716 | Security fibers and process for the preparation thereof Security fibers having enhanced antifalsification features are prepared by a process which comprises the steps of: i) braiding 5 to 30 denier fibers to form a twine; ii) dyeing the twine with a dye or pigment; iii) drying the dyed twine; and then iv) cutt... | 07/15/2003 |
