Process for preparing free-flowing ethylcellulose microcapsules
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United States of America Patent
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Sep 17, 1985
Grant Date -
N/A
app pub date -
Jul 1, 1983
filing date -
Jul 16, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for preparing free-flowing microcapsules by taking advantage of the phase-separation of ethylcellulose in cyclohexane is disclosed. In this process, a hydrocarbon compound which is soluble in cyclohexane and have a molecular weight of 150 to 3,000 and a solubility parameter (.delta., at 25.degree. C.) of 7 to 10 (cal/cm.sup.3).sup.1/2 is used as the phase-separation-inducing agent.
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