Security Structure Including Phosphorescent and Fluorescent Compositions
First Claim
Patent Images
1. A security structure comprising:
- at least one first fluorescent composition,at least one second phosphorescent composition, the first and second compositions being able to be excited simultaneously by a predefined illuminant from one and the same first face of the structure,the security structure being in the form of a security thread, a security film or a patch, andthe first fluorescent composition being superposed, at least partially, on the second phosphorescent composition,and/orthe first and second compositions being applied in register on the security structure.
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Abstract
The present invention relates to a security structure (10), comprising at least one first fluorescent composition (13) and at least one second phosphorescent composition (12), the first and second compositions being simultaneously excitable by a predefined illuminant from a single first surface (14) of the structure, the security structure (10) being provided in the form of a security thread, a security film, or a patch, wherein the first fluorescent composition is at least partially stacked on the second phosphorescent composition and/or the first and second compositions are used for the reference marking on the security structure.
12 Citations
24 Claims
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1. A security structure comprising:
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at least one first fluorescent composition, at least one second phosphorescent composition, the first and second compositions being able to be excited simultaneously by a predefined illuminant from one and the same first face of the structure, the security structure being in the form of a security thread, a security film or a patch, and the first fluorescent composition being superposed, at least partially, on the second phosphorescent composition, and/or the first and second compositions being applied in register on the security structure. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 24)
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2. (canceled)
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11. (canceled)
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22. A security document incorporating a security structure comprising:
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at least one first fluorescent composition, at least one second phosphorescent composition, the first and second compositions being able to be excited simultaneously by a predefined illuminant from one and the same first face of the structure, the security document comprising a paper substrate on which the first and second compositions are applied directly, and the first fluorescent composition being superposed, at least partially, on the second phosphorescent composition, and/or the first and second compositions being applied in register on the security structure. - View Dependent Claims (23)
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Specification