Optical-Effect-Producing Medium, Use Thereof and Object Having an Optically Responsive Feature Produced Using Said Optical-Effect-Producing Medium
There is described an optical-effect-producing medium comprising a carrier medium (1) containing or comprising pigment particles (10) having at least one optically responsive pigment or dye (100) that responds to incident electromagnetic radiation of at least a selected excitation wavelength or wave...
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Sprache: | eng |
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