Process for producing a W/O/W type multiple emulsion for medicines, cosmetics, etc.
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United States of America Patent
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Jun 5, 1990
Issued Date -
N/A
app pub date -
Sep 19, 1988
filing date -
Mar 26, 1984
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Expired
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Abstract
The present invention relates to a process for producing a W/O/W type multiple emulsion using a polyglycerol polyricinolate (i.e. a polyglycerol ester of a polycondensed fatty acid of castor oil). The use of the polyglycerol polyricinolate is effective in increasing the rate of formation of the W/O/W type multiple emulsion remarkably and giving a W/O/W type multiple emulsion which is stable over a long period of time. The W/O/W type multiple emulsion has also an excellent heat stability and is useful for the production of medicines and cosmetics.
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