Seamless capsule and method of manufacturing the same
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United States of America Patent
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Mar 16, 1999
Grant Date -
N/A
app pub date -
Dec 3, 1996
filing date -
Dec 7, 1995
priority date (Note) -
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Abstract
There are provided a seamless capsule containing therein a large quantity of an active ingredient which is difficultly soluble in water and oil and a method of manufacturing the seamless capsule. Encapsulating liquid 1, in which the active ingredient is difficultly soluble in water and oil is suspended in oil as particles each having the mean particle diameter of less than 20 .mu.m, is enclosed in hydrophilic outer shells. This seamless capsule SC is manufactured in such a manner that from a multiple nozzle 7, suspension, in which the active ingredient which is difficultly soluble in water and oil is dispersed in oil and the active ingredient in thus obtained dispersion is pulverized to obtain particles each having the mean particle diameter of less than 20 .mu.m, as encapsulating liquid 1, and aqueous liquid of a shell forming substance, as outer shell forming liquid 3, are dropped into hardening liquid 10.
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