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Patent: 5,637,320

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;
Patent PDF download available with subscription

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Almatica Pharma Inc
NAPRELAN
naproxen sodium
TABLET, EXTENDED RELEASE;ORAL020353Jan 5, 1996RXNo5,637,320<disabled>
Almatica Pharma Inc
NAPRELAN
naproxen sodium
TABLET, EXTENDED RELEASE;ORAL020353Jan 5, 1996RXYes5,637,320<disabled>
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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
Austria126055Aug 15, 1995
Australia6933291Jul 18, 1991
Australia639519Jul 29, 1993
Canada2034096Jul 16, 1991
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