First sheet for copysets
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United States of America Patent
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-
Feb 8, 1994
Grant Date -
N/A
app pub date -
Dec 3, 1991
filing date -
Jun 16, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The upper surface of an upper sheet for a carbon copy system made of pressure-sensitive self-copying paper has a layer, designed to be printed on, made of pigment, binder and water-repelling agent, to increase the opacity and control the bonding properties for ease of sheet detachment.
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