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Serving leading biopharmaceutical companies globally:

US Army
US Department of Justice
Argus Health

Generated: November 24, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,587,150

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Summary for Patent: 5,587,150

Title: Photostable cosmetic screening composition containing a UV-A screening agent and an alkyl .beta., .beta.-diphenylacrylate or .alpha.-cyano-.beta. , .beta.-diphenylacrylate
Abstract:A photostable cosmetic screening composition and process for protection of the human epidermis against UV rays of wavelengths between 280 and 380 nm, the composition having, in a cosmetically acceptable vehicle containing at least one fatty phase, 1 to 5% by weight of a dibenzoylmethane derivative and at least 1% by weight of an alkyl .beta.-.beta.-diphenylacrylate or .alpha.-cyano-.beta.-.beta.-diphenylacrylate of formula (I), the mole ratio of the compound of formula (I) to the dibenzoylmethane derivative being not less than 0.8.
Inventor(s): Deflandre; Andre (Orry-la-Ville, FR), Dubois; Michel (Coulommiers, FR), Forestier; Serge (Claye-Souilly, FR), Richard; Herve (Paris, FR)
Assignee: L'Oreal (Paris, FR)
Application Number:08/461,842
Patent Claim Types:
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Composition; Compound; Formulation;

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Foreign Priority and PCT Information for Patent: 5,587,150

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
France90 01761Feb 14, 1990

International Patent Family for Patent: 5,587,150

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia7310591► Subscribe
Australia652742► Subscribe
Canada2076003► Subscribe
Germany69100593► Subscribe
Denmark0514491► Subscribe
European Patent Office0514491► Subscribe
Spain2060370► Subscribe
Austria96654► Subscribe
Argentina248083► Subscribe
France2658075► Subscribe
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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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Serving leading biopharmaceutical companies globally:

Fish and Richardson
Harvard Business School
Boehringer Ingelheim
Queensland Health

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