Preparation of pharmaceutical or cosmetic dispersions
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United States of America Patent
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-
May 26, 1992
Issued Date -
N/A
app pub date -
Sep 13, 1990
filing date -
Aug 14, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process for the preparation of fine-particled, stable, pharmaceutical or cosmetic dispersions consisting of an aqueous phase and an organic phase which is insoluble or not completely soluble in water (oily phase), in which a pre-emulsion is first prepared from the two phases by known emulsifying methods and is then further processed to the end product. The invention furthermore relates to apparatus for carrying out the process.
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