Pressure-sensitive duplicating material
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United States of America Patent
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-
Mar 23, 1982
Issued Date -
N/A
app pub date -
Mar 10, 1980
filing date -
Jul 27, 1973
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure-sensitive copying material which employs a color-producing substance and a color substance-accepting material is disclosed. The color substance-accepting material contains, as reaction components, a chloride of a metal having an atomic weight of from 50-66, together with a urea or its derivatives and a binding agent. The color-producing substance includes a dyestuff which is combined with the binding agent and reacts with the color substance-accepting material during color formation.
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