Erasable system including marking surface and erasable ink composition
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United States of America Patent
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-
Jan 29, 1991
Issued Date -
N/A
app pub date -
Dec 19, 1988
filing date -
Sep 15, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An erasable system including a marking element providing a non-porous marking surface and an erasable marking composition for applying markings to the marking surface. The erasable marking composition comprises a film forming polymeric material and a colorant. Preferred marking compositions comprise an elastomeric film forming polymeric material.
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Cited Art Landscape
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