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Details for Patent: 5,637,320

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Summary for Patent: 5,637,320

Title: Controlled absorption naproxen formulation for once-daily administration
Abstract:A once-daily naproxen formulation for oral administration having a first portion of the naproxen as a multi-particulate pellet form, each pellet having a core of naproxen or a pharmaceutically acceptable salt thereof in association with an organic acid, the core being surrounded by a multi-layer membrane and optionally a second portion of naproxen formulated to release the drug promptly following oral administration.
Inventor(s): Bourke; Edward A. (Athlone, IE), Mulligan; Seamus (Athlone, IE)
Assignee: Elan Corporation, PLC (Athlone, IE)
Application Number:08/227,566
Patent Claim Types:
see list of patent claims
Formulation; Compound; Dosage form; Device;
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Foreign Priority and PCT Information for Patent: 5,637,320

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Ireland149/90Jan 15, 1990

International Patent Family for Patent: 5,637,320

Country Document Number Publication Date Supplementary Protection Certificate SPC Country SPC Expiration
Ireland900149Jul 17, 1991
Greece3017633Jan 31, 1996
Germany69111832Sep 14, 1995
Austria126055Aug 15, 1995
Israel96900Mar 29, 1992
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Preferred citation:

Friedman, Y. Location of pharmaceutical innovation: 2000–2009 Nature Reviews Drug Discovery 9, 835–836 (2010).

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