Generated: December 12, 2017
DrugPatentWatch Database Preview
Details for Patent: 5,721,275
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Summary for Patent: 5,721,275
|Title:|| Slow release vehicles for minimizing skin irritancy of topical compositions|
|Abstract:||Staple, aqueous gel vehicles are provided for the topical application to the skin of irritating active ingredients such as retinoids, particularly tretinoin, with slow release of the active ingredient and minimal irritancy to the skin. The vehicles include a gelling agent effective to form a gel and hold the active ingredient in the aqueous medium for slow release on the skin, and an effective amount of an antioxidant to retard decomposition of the active ingredient. The vehicles and formulations are preferably aqueous emulsions which contain a solubilizing agent for the generally non-water soluble active ingredients, as well as usually an emulsifying agent and/or surfactant. Chelating agents, emollients, preservatives and other adjuvants and additives may also be included in the vehicles and formulations.|
|Inventor(s):|| Bazzano; Gail S. (Metairie, LA) |
Patent Claim Types:|
see list of patent claims
|Composition; Use; |
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Foreign Priority and PCT Information for Patent: 5,721,275
|PCT Filed||June 07, 1990||PCT Application Number:||PCT/US90/03219|
|PCT Publication Date:||December 13, 1990||PCT Publication Number:||
International Patent Family for Patent: 5,721,275
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