Laser labels and their use
AssigneeBeiersdorf AG
InventorsKlaus Külper, Arne Koops
Life of this patent
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Abstract
Laser label comprising at least one polymer layer which is coated on one side with a self-adhesive composition, which is in turn optionally covered with a release paper or a release film, characterized in that an additive suitable for optical, magnetic or electrical labelling has been incorporated into the polymer.
Claims31
A laser label comprising at least one polymer layer, said polymer layer being coated on one side with a self-adhesive composition, said self-adhesive composition optionally being covered with a release paper or a release film, and said polymer layer comprising an additive incorporated into the polymer, wherein said additive is capable of undergoing a reversible luminescence or color which can be detected optically.
A laser label comprising at least one polymer layer, said polymer layer being coated on one side with a self-adhesive composition, said self-adhesive composition optionally being covered with a release paper or a release film, and said polymer layer comprising an additive incorporated into the polymer, wherein said additive is capable of being detected magnetically.
A laser label comprising at least one polymer layer, said polymer layer being coated on one side with a self-adhesive composition, said self-adhesive composition optionally being covered with a release paper or a release film, and said polymer layer comprising an additive incorporated into the polymer, wherein said additive is capable of being detected electrically.
Dependencies are inferred from the claim text.