Process for producing a W/O/W type multiple emulsion for medicin

Details Process for producing a W/O/W type multiple emulsion for medicin Process for producing a W/O/W type multiple emulsion for medicin

1990-05-29

1991-01-15

Maples, John S.

Compositions

Preservative agents

Anti-corrosion

252312, 424 70, 426602, 514558, 514938, 514844, B01J 1300, A61K 3120

Patent

active

049851730

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.

REFERENCES:
patent: 4626443 (1986-12-01), Takahashi et al.
patent: 4931210 (1990-06-01), Takahashi et al.

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