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Details for Patent: RE39069

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Patent RE39069 protects ALLEGRA-D 24 HOUR ALLERGY AND CONGESTION and is included in one NDA. There are three tentative approvals for the compound protected by this patent. Additional details are available via the generic ingredient links below.

This patent has seventeen patent family members in twelve countries.

Summary for Patent: RE39069

Title:Multi-layered osmotic device
Abstract:The present invention provides a simple and improved multi-layered osmotic device (1) that is capable of delivering a first active agent in an outer lamina (2) to one environment of use and a second active agent in the core (5) to another environment of use. Particular embodiments of the invention provide osmotic devices in which the first and second active agents are similar or dissimilar. An erodible polymer coat (3) between an internal semipermeable membrane (4) and a second active agent-containing external coat (2) comprises poly(vinylpyrrolidone)-(vinyl acetate) copolymer. This particular erodible polymer results in an improved multi-layered osmotic device possessing advantages over related devices known in the art. The active agent in the core (5) is delivered through a pore (6) containing an erodible plug (7). The osmotic device (1) can be coated by a final finish coat (8).
Inventor(s): Faour; Joaquina (Buenos Aires, AR), Mayorga; Jorge E. (Buenos Aires, AR)
Assignee: Osmotica Corp. (Tortola, VG)
Application Number:10/004,772
Patent Claim Types:
see list of patent claims
Delivery; Device; Formulation;

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Sanofi Aventis Us
ALLEGRA-D 24 HOUR ALLERGY AND CONGESTION
fexofenadine hydrochloride; pseudoephedrine hydrochloride
TABLET, EXTENDED RELEASE;ORAL021704-002Jan 24, 2011OTCYesRE39069► subscribeY
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Foreign Priority and PCT Information for Patent: RE39069

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
ArgentinaP97 01 02351May 30, 1997

Non-Orange Book Patents for Patent: RE39069

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
6,004,582 Multi-layered osmotic device► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: RE39069

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria250929► subscribe
Australia7706598► subscribe
Brazil9802144► 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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