Water-soluble microcapsules
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United States of America Patent
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Feb 6, 1990
Grant Date -
N/A
app pub date -
Nov 9, 1987
filing date -
Nov 7, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Water-soluble microcapsules using a water-containing hydrophilic substance as a core material and at least one member selected from the group consisting of polyvinyl alcohol and modified polyvinyl alcohols as a coating material are stably retained in a concentrated aqeuous solution and are dissolved in water or a dilute aqueous solution.
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