Pressure sensitive recording sheet containing size classified cereal starch granules
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United States of America Patent
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-
Jul 28, 1981
Issued Date -
N/A
app pub date -
Jul 24, 1979
filing date -
Mar 24, 1975
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pressure sensitive recording sheet, e.g. carbonless copy paper, having a surface coated with rupturable, micro-capsules and large granule cereal starch particles to prevent premature rupturing of the micro-capsules, the starch particles comprising 99% by weight large granules ranging in size from about 12 microns to 40 microns, and at least 22% comprising granules which are 22 microns or larger in size.
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