Ink composition and writing instrument
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United States of America Patent
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N/A
Issued Date -
Dec 14, 2006
app pub date -
May 23, 2006
filing date -
Jun 8, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An ink composition giving erasable white ink patterns and containing water and sodium benzoate dissolved in the water in an amount of at least 5 parts by weight per 100 parts by weight of the water. A writing instrument having a pen tip and an ink tank which contains the above ink composition and which is in fluid communication with the pen tip.
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