Security feature and document of value
AssigneeGiesecke+Devrient Currency Technology GmbH
InventorJohann Kecht
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Abstract
The invention relates to a security feature for securing value documents, comprising a chemically unstable inorganic feature substance and a stabilizing component that comprises a substance that stabilizes the feature substance, which substance has at least the same solubility in water as the feature substance to be protected and releases ions when said substance is decomposed, which ions conform to the ions of the feature substance at least in part.
Claims19
A security feature for securing value documents, comprising a chemically unstable inorganic feature substance and a stabilizing component comprising a substance that stabilizes the feature substance, said substance having at least the same solubility in water as the feature substance to be protected and releasing ions when said substance is decomposed, which ions conform to the ions of the feature substance at least in part.
Dependencies are inferred from the claim text.