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|Title:||Synergistic skin depigmentation composition|
|Abstract:||There is disclosed a synergistic composition for skin depigmentation with reduced irritation which does not contain a corticosteroid comprising 4-hydroxyanisole and a retinoid, such as all-trans retinoic acid, 11-cis,13-cis-12-hydroxymethyl retinoic acid .delta.-lactone or (N-acetyl-4-aminophenyl) retinoate, in a pharmaceutically acceptable topical vehicle.|
|Inventor(s):||Nair; Xina (E. Amherst, NY), Tramposch; Kenneth M. (Williamsville, NY)|
Patent Claim Types:|
see list of patent claims
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Austria||104544||<disabled in preview>|
|Brazil||1100177||<disabled in preview>|
|Canada||2022917||<disabled in preview>|
| This preview shows a limited data set|
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.
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