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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
Israel93928► Subscribe
HungaryT53518► Subscribe
China1047802► Subscribe
Czechoslovakia9001911► Subscribe
German Democratic Republic298352► 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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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.