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Serving leading biopharmaceutical companies globally:

Express Scripts
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Generated: December 16, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,842,864

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Summary for Patent: 4,842,864

Title: Self-adhesive device for the percutaneous administration of an active ingredient
Abstract:The present invention relates to a novel self-adhesive matrix for the percutaneous administration of an active ingredient. This matrix comprises a combination of the following: (a) 40 to 60 parts by weight of an ethylene/vinyl acetate copolymer material, (b) 40 to 60 parts by weight of a higher aliphatic monoalcohol compound, (c) 1 to 20 parts by weight of a cellulose derivative material, (d) 0.1 to 8 parts by weight of a polyhydric alcohol compound, and (e) 0.01 to 10 parts by weight of an active ingredient which can be administered percutaneously, the weight ratio a+c/b+d being between 0.7 and 1.3.
Inventor(s): Guillemet; Alain (Dijon, FR), Teillaud; Eric (Talant, FR), Reginault; Philippe (Fontaine les Dijon, FR)
Assignee: Laboratories D'Hygiene et de Dietetique (Paris, FR)
Application Number:07/174,414
Patent Claim Types:
see list of patent claims
Compound; Use;

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Foreign Priority and PCT Information for Patent: 4,842,864

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
France87 04133Mar 25, 1987

International Patent Family for Patent: 4,842,864

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria69724► Subscribe
Germany3866408► Subscribe
European Patent Office0288336► Subscribe
Spain2027773► Subscribe
France2612785► Subscribe
Greece3003887► Subscribe
JapanH0780758► Subscribe
JapanS63255217► Subscribe
Portugal87029► 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:

US Department of Justice
Express Scripts
Chinese Patent Office
Boehringer Ingelheim

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