Watercolor ink composition for writing utensils and method for producing it
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United States of America Patent
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Issued Date -
Jul 21, 2005
app pub date -
Dec 28, 2004
filing date -
Jan 15, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A watercolor ink composition for writing utensils comprising at least an alkali-soluble acrylic copolymer, a lower alcohol solvent, water, and a coloring material wherein the alkali-soluble acrylic copolymer has a molecular weight of from 7000 to 15,000, an acid value of from 30 to 100, and a glass transition point of from -10 to 60.degree. C. The watercolor ink composition for writing utensils that has colored or colorless transparency in appearance and has both transparent feeling and solid feeling in handwriting can be provided.
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