Method of producing a heat-sensitive recording material with authentification feature
Heat sensitive recording material with authentication, comprises a substrate and a color former and color acceptors containing heat sensitive recording layer, where the recording material exhibits an additional layer with not colored as authentication, in water and/or in alcohol soluble solid partic...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Heat sensitive recording material with authentication, comprises a substrate and a color former and color acceptors containing heat sensitive recording layer, where the recording material exhibits an additional layer with not colored as authentication, in water and/or in alcohol soluble solid particles, and the solid particles are reactive in an strong alkaline aqueous solution. |
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