Ink composition
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United States of America Patent
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-
Jan 21, 1992
Grant Date -
N/A
app pub date -
Apr 2, 1990
filing date -
Apr 21, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A substantially colorless, transparent ink composition which affords erasable, white ink images includes an organic solvent, an organic substance which is dissolved in the organic solvent, which has a molecular weight of less than 1,000 and which is a white or colorless solid at room temperature, and a polymer which is dissolved in the organic solvent and which has a molecular weight of at least 10,000.
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