Drug – bio-affecting and body treating compositions – Designated inorganic nonactive ingredient or elemental... – Siliceous or calcareous material
Patent
1993-11-09
1995-08-22
Chang, Ceila
Drug, bio-affecting and body treating compositions
Designated inorganic nonactive ingredient or elemental...
Siliceous or calcareous material
514772, 424 59, 424 65, A61K 4704, A61K 4744
Patent
active
054440963
ABSTRACT:
An anhydrous, topically-effective composition that resists phase separation and exhibits improved properties comprising a topically-active compound, such as an astringent salt; an improved suspending agent comprising a finely-divided silica and a suspending wax composition; and a suitable volatile liquid carrier, such as a volatile silicone or a volatile hydrocarbon. The suspending wax composition comprises a wax, an ester including at least 10 to about 32 carbon atoms and a volatile liquid carrier. The anhydrous, topically-effective composition is useful in topical cosmetic and medicinal preparations, such as antiperspirants, sunscreens and topical drug products, and is especially useful in cosmetic and medicinal preparations wherein an insoluble topically-active compound is dispersed throughout a liquid phase.
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Diulus Michael P.
McCrea Andrew D.
Chang Ceila
Helene Curtis Inc.
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