Marking pen with excellent cap-off performance
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United States of America Patent
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Oct 18, 2005
Grant Date -
Apr 8, 2004
app pub date -
Dec 21, 2001
filing date -
Dec 26, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A marking pen having an excellent cap-off performance which comprises at least a colorant, a solvent and a resin and, if necessary, an erasability-providing agent as ink components and in which a pen tip comprising a fibrous feed or a plastic feed is coated with a coating agent comprising a substance providing a cap-off property, wherein the above coating agent comprises petroleum waxes comprising hydrocarbons having side chains as a principal component (50% by weight or more). Preferably, the above petroleum waxes comprising hydrocarbons having side chains as a principal component have a melting point of 63° C. or lower and are solid at room temperature.
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