Details for 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;

Drugs Protected by US Patent 5,637,320

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate

Foreign Priority and PCT Information for Patent: 5,637,320

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Ireland	149/90	Jan 15, 1990

International Family Members for US Patent 5,637,320

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	126055
Australia	639519
Australia	6933291
Canada	2034096
Germany	69111832