Matches 1 - 50 out of 214 1 2 3 4 5 >


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9012018 Laser markable security film  
A security film including a support (1) and a laser markable layer (3), wherein the laser markable layer includes i) a laser additive; ii) a polymer selected from the group consisting of...
8962065 Invisible composite security element  
Disclosed is a composite security element and a method for applying the same to a substrate (e.g., paper). The composite security element has a first pattern mark and a second pattern mark. The...
8852947 Application of unique surface coatings to high volume manufacturing output  
A photographic material for image display including an intimately sorbed contrast agent that provides a contrast layer against which the recorded image can be seen regardless of the nature and...
8828729 Methods and apparatus for the detection of taggants by surface enhanced raman scattering  
One embodiment is a SERS enhancing substrate which includes a porous substrate and a Raman enhancing material associated with a surface of the porous substrate. The Raman enhancing material may be...
8821756 Substrate with a modified liquid crystal polymer marking  
The present invention relates to a marking on an item or substrate, which marking is based on a chiral nematic (also called cholesteric) liquid crystal precursor composition. Prior to curing the...
8815001 Compound for manufacturing watermark in a textile sheet material and the corresponding composition, material, method and use  
The invention relates to a compound for manufacturing watermark in a textile sheet material and the corresponding composition, material, method and use. The compound for manufacturing a watermark...
8772745 X-ray obscuration film and related techniques  
An X-ray obscuration (XRO) film comprising one or more metallic wire mesh layers and an adjacent layer of indium foil having portions which extend into openings of the wire mesh and in contact...
8697177 Method for varnishing security documents, especially intaglio-printed security document such as banknotes, and varnishing machine for carrying out the same  
There is described a method for varnishing security documents, especially intaglio-printed security documents such as banknotes, wherein both sides of the security documents are covered by a...
8691369 Element with optical marking, manufacturing method, and use  
A layer combination with a marking is proposed, for example, for a miniaturized electrical component. The layer combination includes a first layer and a different release layer, which is applied...
8685488 Method for producing a microstructure  
The present invention relates to a method for producing a micropattern on a substrate (22), in which a substrate (22) is provided with a relief pattern (26, 28) that exhibits elevations (26) and...
8632849 Anti-counterfeit film with an amphichroic pattern and a preparation method thereof  
An anti-counterfeit film comprising an amphichroic pattern is prepared by (1) mixing a polymerizable liquid crystal material of chiral structure and a photoinitiator, blade-coating the mixture on...
8622436 Chemically reactive security ink, a method of use of such ink, and security documents incorporating such ink  
A document uses a chemically reactive security ink to facilitate security, making it more difficult to alter a genuine security document. The chemically reactive security ink masks a warning word...
8545928 Double layer UV variable data text  
A method and system for including a double layer security mark in digital document data defining an image of a document to be printed and in the printed document. A fluorescence mark region...
8496998 Producing gloss watermark on receiver  
A method for producing a gloss watermark includes depositing a heat-softenable marking material onto a receiver. A heatable fixing member is surfaced in a selected region so that the surface...
8426013 Marking based on modified chiral liquid crystal polymers  
A liquid crystal polymer marking is obtainable by a process that comprises applying a chiral liquid crystal precursor composition onto a substrate, heating the composition to a first chiral liquid...
8426014 Modified marking based on chiral liquid crystal polymers  
A liquid crystal polymer marking is obtainable by a process that comprises applying a chiral liquid crystal precursor composition onto a substrate, heating the composition to a chiral liquid...
8426011 Marking based on chiral liquid crystal polymers  
A liquid crystal polymer marking is obtainable by a process that comprises applying a chiral liquid crystal precursor composition onto a substrate, heating the composition to a bring same to a...
8426012 Chiral liquid crystal polymer marking  
A liquid crystal polymer marking is obtainable by a process that comprises applying a first chiral liquid crystal precursor composition onto a substrate, heating the composition to bring same to a...
8403223 Invisible-fluorescent identification tags for materials  
A taggant composition including a taggant material that is invisible in light of the visible spectrum and fluoresces under a non-visible excitation energy, a binder, and a solvent in which the...
8367188 Authenticity mark in the form of luminescent substances  
A printed document of value has an authenticity feature in the form of at least two luminescent substances on the basis of host lattices which are doped with one or a plurality of ions. By...
8343569 Method for making security laser printing film  
A laser markable security laser transfer film includes a carrier web formed from a laser light-transmissive material and a taggant-containing film disposed on the carrier web. The...
8313793 Method for producing and visualizing an optically hidden mark  
The invention relates to read/write methods for information hidden from visual perception and can be used to visualize hidden images of identification of an object, which provide protection...
8257784 Methods for identifying articles of manufacture  
In one embodiment, a method for identifying an article of manufacture may include: producing a plurality of multilayer photonic structures, wherein each of the plurality of multilayer photonic...
8252412 Angle switchable crystalline colloidal array films  
A radiation diffractive film is disclosed, which includes a viewing surface, with at least a portion of the viewing surface residing in a viewing plane. The film comprises an ordered periodic...
8227024 Method of producing polymer layer with latent polarized image  
The present invention provides a method of producing a latent polarized image having high contrast characteristics with no apparent contours or traces of the image under normal visualization. A...
8215559 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...
8211538 Microelectronic security coatings  
A security coating on an electronic circuit assembly comprises a mesh coating that may have a unique signature pattern and comprise materials that easily produce an image of the signature so that...
8211490 Double layer UV variable data text  
A method and system are provided for including a double layer security mark in digital document data defining an image of a document to be printed and in the printed document, itself. A...
8211509 Alignment of paste-like ink having magnetic particles therein, and the printing of optical effects  
A method and apparatus is provided for printing using paste like inks such as those used in intaglio printing, wherein the inks include specialty flakes such as thin film optically variable...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 50 out of 214 1 2 3 4 5 >