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8163328 |
Compositions for marking objects with DNA and methods for marking and linking an object to its owner
The invention can be summarized as follows. There is provided one or more DNA coating compositions that comprise one or more polymer compounds, water, and optionally one or more non-water polar...
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8147900 |
Multiple color fluorescence security imprint
A method for creating a security mark includes applying a first color fluorescence ink to a substrate and applying a second color fluorescent ink to the substrate is provided. The second color...
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8142834 |
Fingerprint detection
A method of and apparatus (2) for locating and detecting a fingerprint deposited on a surface (10), the method comprising setting up an electric field such that a differential charge density is...
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8119185 |
Protective material comprising reversible and irreversible photochemical functional constituents
The invention relates to a security material comprising a carrier and at least one photochromic Protein and/or a mutein of a photochromic protein. The security material is characterized in that it...
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8080097 |
System and a method for the creation of edible, optically invisible images
A method for labeling a UV-fluorescing substrate includes positioning a UV-fluorescing substrate adjacent to an inkjet material dispenser, and selectively jetting an edible, invisible, non-UV...
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8067056 |
Method for producing tamper-proof identification elements
The invention relates to a method for producing tamper-proof identification elements, and to tamper-proof identification elements produced according to said method and consisting respectively of at...
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8034398 |
Secure tag coding
A secure tag coding method and device. The method comprises: providing a first type of secure tag having a first luminescence profile to indicate a first level code; providing a second type of...
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8019130 |
Collectable fingerprinted apparatus and methods
Collectable fingerprinted items, and methods of making such fingerprinted items, including original and simulated fingerprints for application to an item to create a collectable item. The processes...
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7966267 |
Method and system for validating a security marking
A method and system for authenticating an item by using a security marking. The security marking is provided on the item with an OVD ink capable of absorbing light in a visible wavelength range to...
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7938333 |
Secure core material for documents
Particles conveying a code are incorporated into polymer matrix to form a core document substrate. These particles may be colored to create a distinctive look of the document that makes it unique...
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7939124 |
Method of producing an information carrier
Methods for producing an information carrier produced by: (1) providing an information carrier precursor comprising a 5 rigid sheet or support; a receiving layer configuration having an...
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7939164 |
Pigment layer and method of permanently scribing a substrate by means of high-energy radiation
Pigment layer intended particularly for the permanent marking of glass, based on a polymer matrix which reacts predominantly with pulverization to a high-energy beam, more particularly to laser...
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7923097 |
Security element with thin-layer element
The invention relates to a security element for security papers, documents of value and the like having a thin-layer element (12) with color shift effect, which has a reflection layer (14), an...
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7897212 |
Method of marking material, marked and verification of genuineness of a product
The invention relates to the marking of a material (18) with identifier marks (16), the material thus marked, and verification of the genuineness of a product on the basis of the marks. In...
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7823791 |
Secure core material for documents
Particles conveying a code are incorporated into polymer matrix to form a core document substrate. These particles may be colored to create a distinctive look of the document that makes it unique...
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7799568 |
Authentication of products using molecularly imprinted polymers
A method for identifying a product includes providing a solid body (10) fabricated from at least a molecularly imprinted polymer having molecular sized cavities (12) adapted to selectively receive...
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7754273 |
Method of printing a time-temperature indicator based on azo coupling reactions onto a susbtrate
The present invention relates to a method of printing a substrate, comprising (a) printing onto the substrate at least one time temperature indicator with chromic properties based on an azo...
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7658980 |
Tamper-indicating printable sheet for securing documents of value and methods of making the same
A tamper-indicating printable sheet. A preferred embodiment of the invention provides a tamper-indicating printable sheet comprising a retroreflective layer comprising a plurality of microbeads...
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7648648 |
Anti-stokes fluorescent material composition
The invention relates to anti-Stokes fluorescent material compositions which, upon excitation by IR radiation, emits IR radiation without significant quantities of visible blue light being emitted...
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7648763 |
Security element and method for production thereof
The invention relates to an object, in particular a security element for security papers, bank notes, identity card or the like, as well as a security paper and a document of value with such a...
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7601417 |
Recorded matter having countermeasure against forging
An object is to provide a recorded article or sticker whereby counterfeited articles and genuine articles can be visually distinguished in simple fashion in the market and wherein it is not...
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7531108 |
Security features incorporating photoluminescent phosphor powders and methods for making security features
Photoluminescent phosphor powders and a method for making phosphor powders. The phosphor powders have a small particle size, narrow particle size distribution and are substantially spherical. The...
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7455877 |
Vehicle identification marking system
A method of identifying an object comprising providing an vehicle having on a surface thereof at least one layer of paint, such as a urethane-based paint. A unique alphanumeric identification is...
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7449212 |
Security document
A security document with a security element, wherein the security element includes at least partly a material that is optically changeable by an electric or magnetic field. In addition, a...
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7396557 |
Method for forgery-proof labeling of items, and forgery-proof label
The invention relates to a method for forgery-proof labeling of items, such as credit cards, bank notes and the like, comprising the following steps: (a) applying, to a first layer (1) that...
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7316790 |
Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same
Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same. The powders have a small particle size, narrow particle size distribution and are...
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7192471 |
Aryl-ureido benzoxazinone compounds
Fluorescent pigment compounds comprising aryl-ureido benzoxazinone compounds of the general formula (I): wherein R1 is an substituted or unsubstituted aryl group, R2 and R3 are each independently...
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7115301 |
Method of marking solid or liquid substances with nucleic acid for anti-counterfeiting and authentication
A method of marking a solid article or substance includes the steps of dissolving a water-insoluble medium in a first solvent to form a first mixture, mixing a nucleic acid solution with an...
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7052730 |
Document security processes
A process for generating on a substrate, such as a document, a security mark comprised of a glossy ink containing a colorant.
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7046828 |
Method and system for verifying and authenticating signed collectibles
A system and method for verifying the identity of an authenticated item such as memorabilia and collectibles where each authenticated item is assigned a unique identifier. Also, digital image is...
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6905725 |
Method for creating and visualizing an optically invisible mark
This invention relates to methods of writing and reading information hidden from visual observation and may be used for visualizing hidden images (marks) identifying an object, which provide...
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6861012 |
Latent inkjet formulation and method
A latent or “invisible ink” security marking formulation is provided using a phosphor with distinct emissions characteristics including visible emission due to excitation at a particular inv...
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6841188 |
Method of developing latent fingerprints
A method of developing latent fingerprints involves the preparation of an 8-quinolinol complex by mixing a solution of 8-hydroxyquinoline or a derivative with a complexing reagent such as a metal...
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6835326 |
Fluorescent ink compositions comprising functionalized fluorescent nanocrystals
A fluorescent ink composition comprising functionalized fluorescent nanocrystals, an aqueous-based ink carrier comprising water or a water-based solution, and a binder. Also provided are methods of...
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6835409 |
Method of recording fingerprints on a recording surface having a thermosenstivive color developing layer thereon
A method of recording fingerprints in which a solution of monohydrogen or dihydrogen ester having an AAV of about 9 or more is applied to a person's fingerprint area with the area then pressed onto...
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6827967 |
Treatment process which makes possible the chemical destruction of securities or paper documents
The present invention relates to a chemical treatment process which makes it possible to modify the chemical structure of securities, bank notes or paper documents during their transportation or...
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6817538 |
Method and system for preventing parallel marketing of wholesale and retail items
A system and method for detecting parallel marketing of an item, include forming at least one of a coating and a code on the item, interrogating the at least one of the coating and said code, and...
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6805926 |
Security label having security element and method of making same
A security label having one or more security elements is used on or in association with items, such as consumer products, that have value and are susceptible to counterfeiting. The security label...
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6793721 |
Invisible ink composition and method to ensure document confidentiality
An invisible ink composition and a method to ensure document confidentiality. The invisible ink composition includes a carrier as a solvent; and at least one leuco dye evenly dispersing in the...
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6760794 |
Method for decreasing downtime in vehicle identification number stamping operations
Vehicle identification number (VIN) data acquisition and stamping center control, wherein a main computer supplies VIN data to a PLC disposed at the stamping center, and the PLC stores a quantity...
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6708618 |
Method and apparatus of using a security feature which includes plural patterned microscopic makers for authentication and to prevent counterfeiting of objects
An apparatus for authenticating an object on the basis of incorporating onto the object at least one security feature known as a microdot which includes plural unique microscopic patterned markers...
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6706314 |
Method of labelling an object
The present invention in one aspect is directed to a method for labeling the durable surface of an object for its identification, which object has a durable surface or a durable surface tag affixed...
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6693441 |
Capacitive fingerprint sensor with protective coating containing a conductive suspension
A capacitive fingerprint sensor includes a polymeric protective coating defining a sensing surface and having conductive particles suspended therein. The conductive particles act as parallel...
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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...
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6627250 |
Method of safeguarding electrical switchgear, in particular, against imitation
A method for marking a product for detecting unauthorized imitations of the product, in particular of electrical switchgear equipment and the like. A color imprint is applied to an outer or inner...
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6616983 |
Process for making a decorative metal slot machine token
An improved decorated metal slot machine token produced by coating a metal base with a sublimative dye receptive coating, then infusing sublimative decorative dye into the coating under heat and...
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6616964 |
Method and preparation for the photochromic marking and/or for securing the authenticity of objects
Method and preparation for the photochromic labeling and/or for protecting the authenticity of objects, in which bacteriorhodopsin materials and preparations therefrom are used for application to...
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6610351 |
Raman-active taggants and their recognition
An organic or organoelement, linear or branched, monomeric or polymeric composition of matter having a Raman-active component in the form of particles. The particles having a maximum dimension of...
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6455157 |
Method for protecting and marking products by using microparticles
The invention relates to a method for protecting and marking products by using microparticles, which are to be attached or added to the product, each microparticle having several color layers...
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6402986 |
Compositions and methods for luminescence lifetime comparison
This patent disclosure describes novel compositions and methods used in the verification of products or documents based on the reading of emitted light from luminescent compositions that can be...
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