| http://www.w3.org/ns/prov#value | - The invention also relates to a process for the preparation of platelet-shaped cholesteric multilayered pigments having the layer sequence A1/B/A2, which comprises grinding a cholesteric layered material produced in accordance with the invention to a particle size in the range of up to about 200 ??m, for example from 10 to 50 ??m.
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