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WO/1994/024614A1 |
A method for protecting against duplication of a document with a color copier comprises providing a background color on a document having an average reflectance value and printing on the background with a contrast color having a spectral...
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WO/1994/022667A1 |
A novel process is disclosed for the manufacture of protected, distortion-free, full-color electrographic images for use on large format posters, billboards and the like. A novel electrographic element (10) is also disclosed which includ...
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WO/1994/022676A1 |
A method for producing a validation mark on security paper includes (10) printing the mark on the paper using an ink that has the same color as the paper but which has more uniform directional reflectance than the sheet of paper. That is...
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WO/1994/022976A1 |
An optical material comprises laminae of an aligned chiral liquid crystal or chiral liquid crystal polymer (1) which is a solid at room temperature, and a light transmissive medium such as nail varnish (2). The laminae may be constituted...
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WO/1994/022058A2 |
A method for making security documents using an electro-photographic printer, particularly a photocopier or laser printer, includes the step of exposing the printed image to an accelerator, in liquid or vapour form. Under the influence o...
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WO/1994/018609A1 |
The description relates to a process for the simultaneous replication and direct application of holograms and other diffraction grids on various printing materials (6), especially paper or cardboard. It is performed in the shaping proces...
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WO/1994/016892A1 |
A process and device are disclosed for printing patterns, in particular repeating patterns (register rounds) on webs (8) or sheets. The web (8) or sheets are conveyed through at least two printing stations (2a, 2b). A first printing stat...
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WO/1994/016902A1 |
The present invention is addressed to providing a simple method for labeling an object for its verification. The method of the present invention for labeling an object for its verification commences with applying to a location on said ob...
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WO/1994/015800A1 |
A mask (1) is adapted for superimposing on a photo carrying a motif in form of e.g. a portrait (7) that is to be accentuated. The mask is made of a transparent plastics foil as by means of e.g. coloured raster is made opaque in a periphe...
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WO/1994/014617A1 |
A latent image printing method and apparatus uses a substrate with one main surface having a covering comprising only one of a first pair of a color developer and color former dye in at least one selected latent imaging area defining a b...
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WO/1994/013749A1 |
An ultraviolet (UV) radiation-curable temporarily pressure sensitive composition which when irradiated with ultraviolet light quickly attains a high tack state for transferring dielectric material thereto, and within hours permanently bo...
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WO/1994/013489A1 |
The invention concerns the use of interference pigments made from multi-coated, flake-type silicate-like substrates with (A) a first layer of colourless or selectively absorbent, highly refractive metal oxide, (B) a second, non-selective...
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WO/1994/011198A1 |
The present invention provides a recording material comprising on a support (i) a heat sensitive layer comprising a substantially light insensitive organic silver salt, (ii) a protective layer containing a matting agent dispersed in a bi...
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WO/1994/011199A1 |
The present invention provides a recording material comprising on a support (i) a heat sensitive layer comprising a substantially light insensitive organic silver salt, (ii) a protective layer containing a thermomeltable particle dispers...
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WO/1994/009990A1 |
An anti-copying film or layer is composed of a film or layer of transparent material with a plurality of mutually spaced, at least partially non-transparent areas whose planes are arranged in approximately the same position with respect ...
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WO/1994/009078A1 |
A printing compound and method of producing three-dimensional signs and lettering and Braille reading materials is disclosed. The printing compound includes an ultraviolet radiation curable resin and a filler mixed with the resin to form...
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WO/1994/007694A1 |
An apparatus (10) for chemically watermarking paper which comprises a nip roller (11); a first coater roller (12); a second coater roller (13); an impression cylinder roller (15); and a die cylinder roller (16) in the form of a rotary sh...
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WO/1994/006419A1 |
A printing process for producing a flat administration form containing a dosage proportion of medicaments or a flat device for dispensing doses of volatile substances such as perfumes into ambient air uses easily volatile or thermally un...
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WO/1994/004367A1 |
An anti-copy film or coating for originals or documents consists of transparent film material with a plurality of spaced, at least partly opaque and possibly reflective regions arranged as coverings on the foil surfaces substantially sta...
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WO/1994/005139A1 |
A process is disclosed for producing finely structured conductive layers on a substrate, for example printed circuit cards. In order to improve the fineness of the structure and contour sharpness, a thin activation layer having the desir...
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WO/1994/004366A1 |
The invention concerns a film and/or layer which contains transparent and inclined opaque sectional zones and is produced by superposing and joining individual transparent and opaque or reflecting sheets and subsequently separating them....
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WO/1994/003333A1 |
A thermal transfer printing receiver sheet for use in security laminates, comprises a substrate having a dye-receiving surface on one side and a back coat on the other, characterised in that the substrate comprises a plastics material fi...
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WO/1994/002329A1 |
The present invention relates to means of identification or a document of value comprising a paper or polymer region, in particular, bank notes, passports, identification cards or any other document of sufficient value to make it liable ...
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WO/1994/002330A1 |
The present invention is directed toward a tamper evident informational article such as a temporary vehicle registration which may be made of paper or paperboard. The informational article has a zone (4) for inserting information and a p...
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WO/1994/000301A1 |
Production of a tactile print using an improved silk screen process which provides a product with raised imprinted surfaces of sufficient local definition to permit tactile "reading" of the print. In the case of a surface imprinted with ...
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WO/1993/025391A1 |
Receiver sheets useful as security cards are disclosed which have dye pixels defining a security image and a personal image wherein substantially all of the pixels are applied to the receiver sheet in a single stage printing operation by...
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WO/1993/024332A1 |
In one aspect of the invention there is provided a medium for applying an optically variable device to a security document (5) comprising a carrier web (1) and a release coating (2), or a carrier web (60) having a low surface energy rele...
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WO/1993/024334A1 |
This invention relates to latent image printed matter which uses a combination of projecting image lines of a color identical with or similar to that of a printing material and image lines of a color different from that of the projecting...
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WO/1993/023251A1 |
Methods for enhancing the visibility of and imparting a metallic luster to holographic and diffraction pattern surface embossments on transparent media such as plastic films (12) are disclosed. Enhancement is achieved by (1), metallic ef...
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WO/1993/022146A1 |
Disclosed is a method for providing a security feature to documents via intaglio printing and the documents produced thereby. The process allows the printing of a variable optical image security message which enables the public to immedi...
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WO/1993/022145A1 |
Disclosed is a method of providing a copy-evident feature to documents and the documents produced thereby. The process allows the printing of a novel security design (12) which is difficult to see with the naked eye when casually inspect...
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WO/1993/019483A1 |
An improved method of fabricating integrated circuits, particularly active matrix arrays. The present method comprises applying an etch-resist pattern to an integrated circuit by printing to form resist patterns. The circuit is then etch...
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WO/1993/016865A1 |
The invention concerns a process for producing porous moulded bodies with a predetermined pore structure. This involves shaping a plastically deformable material which can subsequently be set, and is characterized in that the moulded bod...
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WO/1993/016888A1 |
A method of manufacturing a transfer device comprising an optically variable transferable layer (3) on a carrier (1). A continuous adhesive layer (6) is coated on the transferable layer (3) and is selectively treated, for example by prin...
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WO/1993/015914A1 |
A method of enhancing an image (11) provided by a thermoplastic marking material on a substrate (4) which material can be thermally activated to take on adhesive properties. The method comprises bringing a transfer medium (7) into contac...
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WO/1993/012941A1 |
A base material of sheet for metallic transfer printing film, which can be formed into a sheet for metallic transfer printing film so as to form a beautiful and smooth metallic transfer printing film having decreased sander marks and hig...
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WO/1993/012416A1 |
A mixture of iodine powder, sodium iodide, purified water and ethyl alcohol forms a composition tincture which, when applied to currency, reacts with the ink therein to provide an indication of the genuineness of the currency.
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WO/1993/012020A1 |
A conveyor (10), such as a baggage carousel, includes a plurality of improved panels (40), each consisting of a plate (44), and a thin layer strip (56) containing visual information affixed to its bottom surface. A series of adjacent pan...
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WO/1993/011947A1 |
A latent image printing method and apparatus uses a substrate with one main surface having a covering comprising one of a first pair of a color developer and color former dye defining a background color in conjunction with the one main s...
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WO/1993/011198A2 |
A latent image ink particularly for use in printing forms such as games or colouring books. An offset lithographic press is used for imprinting a substantially invisible image on a sheet of standard paper. The latent ink used to form the...
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WO/1993/009955A1 |
A thermal transfer printing receiver sheet for use in security laminates, comprises a substrate supporting a receiver coat of a dye-receptive composition on one side and a backcoat on the other, wherein the backcoat comprises a thermopla...
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WO/1993/008992A1 |
In order to render more difficult the copying of tickets, a laminated security ticket comprising a carrier sheet of paper material and a face sheet of direct thermal paper is disclosed in which the face sheet is sufficiently transparent ...
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WO/1993/007233A1 |
A composition for preventing unauthorised removal of or damage to articles or goods from vehicles, buildings and/or premises or for preventing damage to premises, said composition being colourless, odourless and having no feel thereto, a...
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WO/1993/006942A1 |
A method of raised image printing, such as by letterpress, dry-offset, and particularly flexographic printing, with viscous, high solids, and microencapsulated materials, and the resultant product. In the method, a series of fine lines (...
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WO/1993/006968A1 |
Commercially available pigments mixed with fluorescence compound to obtain print stuff mixtures for transfer thereafter to mattes. The print stuff mixtures obtainable thereby are used to print security and facevalue documents which will ...
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WO/1993/004868A2 |
A security-printing device comprising: (i) a substrate; (ii) a toner image adhered to said substrate; and, (iii) a layer of an optically variable material adhered solely to said toner image, whereby said optically variable material is se...
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WO/1993/005124A1 |
An ultraviolet (UV) radiation curable pressure sensitive composition which when irradiated with ultraviolet light quickly attains a high tack state for transferring dielectric material thereto, and within hours permanently bonds to the d...
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WO/1993/004855A1 |
A heat activated transfer (11) is formed having a lower thermoplastic or thermoactive adhesive layer (12), an upper transparent thermoset layer (13) and indicia (14). The indicia (14) is formed from sublimation dye or diffusion dye which...
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WO/1993/001057A1 |
The invention concerns a credit or security document comprising an anti-forgery device. In accordance with the invention the anti-forgery device is in the form of a discontinuous reflecting surface (100) formed by a succession of individ...
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WO/1993/000390A1 |
A composite article comprising, in the unexpanded form, a fibrillated polyolefin matrix and energy expandable hollow polymeric particles, which article, on applying energy such as steam, heat or laser energy, provides an expanded article...
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