Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Cosmetic – antiperspirant – dentifrice
Patent
1992-08-18
1993-11-02
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Cosmetic, antiperspirant, dentifrice
424439, 424455, 514937, 514943, 426602, A61K 9113
Patent
active
052581845
ABSTRACT:
The invention provides a water/oil/water duplex emulsion in which the external continuous phase is gelled. This gelling is obtained by having an osmotic pressure component, e.g. an electrolyte, in the internal aqueous phase which draws water from the external phase through the oil phase. The structure is firm but contains a considerable volume of available aqueous phase. The structure is of value in e.g. foods and cosmetics.
REFERENCES:
patent: 4254105 (1981-03-01), Fukuda
patent: 4379755 (1983-04-01), Yamada et al.
patent: 4714566 (1987-12-01), Takahashi et al.
patent: 4933192 (1990-06-01), Darling et al.
Bee Rodney D.
Evans Ian D.
Izzard Martin J.
Page Thurman K.
Spear James M.
Unilever Patent Holdings B.V.
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