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Serving leading biopharmaceutical companies globally:

Johnson and Johnson
Express Scripts
Boehringer Ingelheim

Generated: October 24, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,626,874

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Summary for Patent: 5,626,874

Title: Controlled release pharmaceutical tablet having lenticular form
Abstract:Controlled release pharmaceutical tablet having a lenticular form consisting of three layers of which the central one or core (a) contains the active principle and the two outer layers or barriers (b) and (c) comprise gellable and/or erodible polymeric material, said barrier layers being equal or different among themselves for composition and/or thickness, while the central layer has a limited external annular surface exposed to the dissolution medium, through which the active principle is released.
Inventor(s): Conte; Ubaldo (Busto-Arsizio, IT), La Manna; Aldo (Pavia, IT), Maggi; Lauretta (Pavia, IT)
Assignee: Ekita Investments N.V. (Curacao, AN)
Application Number:08/352,072
Patent Claim Types:
see list of patent claims
Dosage form; Composition;

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Foreign Priority and PCT Information for Patent: 5,626,874

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
ItalyMI93A2519Nov 30, 1993

International Patent Family for Patent: 5,626,874

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada2137017► Subscribe
Germany69428862► Subscribe
Denmark0656204► Subscribe
European Patent Office0656204► Subscribe
Austria207740► Subscribe
Spain2166769► Subscribe
ItalyMI932519► Subscribe
Italy1265240► Subscribe
Portugal656204► 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:

Express Scripts
Johnson and Johnson
Fish and Richardson

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