| http://www.w3.org/ns/prov#value | - Although a variety of pigments may be employed in the practice of the present invention, it is presently preferred that the pigment is a particulate colorant pigment having a mean particle size of less than 10 ??m, preferably less than about 5 ??m, and most preferably between 0.1 ??m to about 2 ??m.
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