Rubber-erasable aqueous ink for writing material composition and writing materials using the same
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United States of America Patent
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Dec 24, 2002
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N/A
app pub date -
Dec 2, 1999
filing date -
Dec 3, 1998
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Expired
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Abstract
A rubber-erasable aqueous ink for a writing material composition contains water, a water-soluble polar solvent, and a particulate adhesive colored resin. The particulate adhesive colored resin contains a pigment and an adhesive resin which is adhesive on at least a part of a surface thereof. The particulate adhesive colored resin has a particle diameter distribution such that the amount of particles having a particle diameter of from 2 .mu.m to 20 .mu.m is not less than 70% by weight of all the particles.
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