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Details for Patent: 5,670,547

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Summary for Patent: 5,670,547

Title: Moisturizing vehicle for topical application of vitamin A acid
Abstract:A formulation containing tretinoin, a gelling agent, proteinaceous material, and water is provided for the uniform topical application of tretinoin. The water-based formulation is oil- and fat-free, alcohol-free, and rich in proteinaceous material. The formulation is stable over time and is comedogenic and less irritating and drying to the skin.
Inventor(s): Milstein; Elliott A. (West Bloomfield, MI), Milstein; Nathan (Hazel Park, MI)
Assignee: Dow Pharmaceutical Sciences (Petaluma, CA)
Application Number:08/430,154
Patent Claim Types:
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Formulation; Delivery; Composition;

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International Patent Family for Patent: 5,670,547

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia5296890► subscribe
Australia633892► subscribe
Canada2014437► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
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