Hydrophilic polymer-coated microcrystallites of bicarbonate salt

Details Hydrophilic polymer-coated microcrystallites of bicarbonate salt Hydrophilic polymer-coated microcrystallites of bicarbonate salt

1995-01-10

1996-01-09

Dees, Jose G.

Drug, bio-affecting and body treating compositions

Anti-perspirants or perspiration deodorants

424 66, 424DIG5, A61K 734, A61K 738

Patent

active

054827027

ABSTRACT:
This invention provides a powder composition which is composed of particles consisting of a hydrophilic polymer coating having an encapsulated core matrix content of at least two microcrystallites of water-soluble inorganic compound such as sodium bicarbonate. The particles of an invention powder can have a narrowly uniform particle size distribution between about 5-30 microns. In one embodiment a present invention powder composition has a content of hydrophilic polymer-coated bicarbonate microcrystallites, and a cosmetically safe anti-caking agent such as talc, and has utility as a baby powder product. In another embodiment a present invention powder composition is a suspension phase in a cosmetic stick, roll-on or cream product.

REFERENCES:
patent: 5376362 (1994-12-01), Murphy et al.

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