Microencapsulation of a medicament
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United States of America Patent
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Aug 23, 1988
Grant Date -
N/A
app pub date -
Aug 22, 1986
filing date -
Aug 29, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a process for the microencapsulation of a medicament by means of at least one coating agent, characterized in that is comprises the following steps: (a) Dissolution of the coating agent in water, by salification; (b) Dispersion of the particles of medicament to be microencapsulated, first in water, and then into the solution of the salified coating agent according to (a); (c) Addition to the so-obtained suspension of an acidifying substance, which causes the precipitation of the coating agent onto the particles of medicament while these are being kept in suspension by stirring, thus microcapsules being formed. (d) Recovery of microcapsules.
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