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Details for Patent: 5,900,424

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Patent 5,900,424 protects PRILOSEC OTC, PRILOSEC, NEXIUM, VIMOVO, and NEXIUM 24HR, and is included in eight NDAs. There have been zero Paragraph IV challenges on Prilosec OTC, Vimovo, and . There are two tentative approvals for the compound protected by this patent. Additional details are available via the generic ingredient links below.

Protection for NEXIUM has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has fifty-one patent family members in thirty-eight countries.

Summary for Patent: 5,900,424

Title: Omeprazole magnesium salt form
Abstract:A novel compound form of magnesium omeprazole useful in the manufacture of pharmaceutical formulations, the use of the product and the process for its production are described.
Inventor(s): Kallstrom; Lars .ANG.ke (Sodertalje, SE), Nygren; Monica Annelie (Sodertalje, SE)
Assignee: Astra Aktiebolag (Sodertalje, SE)
Application Number:08/313,342
Patent Claim Types:
see list of patent claims
Compound; Process; Use; Formulation;

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Astrazeneca Pharms
PRILOSEC OTC
omeprazole magnesium
TABLET, DELAYED RELEASE;ORAL021229-001Jun 20, 2003OTCYes5,900,424► subscribe
Astrazeneca Pharms
PRILOSEC
omeprazole magnesium
FOR SUSPENSION, DELAYED RELEASE;ORAL022056-001Mar 20, 2008RXNo5,900,424► subscribeY PEDIATRIC USE AGES 1 MONTH TO 2 YEARS, GERD AND EROSIVE ESOPHAGITIS
Astrazeneca Pharms
PRILOSEC
omeprazole magnesium
FOR SUSPENSION, DELAYED RELEASE;ORAL022056-001Mar 20, 2008RXNo5,900,424► subscribeY PEDIATRIC USE AGES 1-2 YEARS, GERD AND EROSIVE ESOPHAGITIS
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Foreign Priority and PCT Information for Patent: 5,900,424

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Sweden9302396Jul 09, 1993
PCT Information
PCT FiledJuly 08, 1994PCT Application Number:PCT/SE94/00680
PCT Publication Date:January 19, 1995PCT Publication Number: WO95/01977

International Patent Family for Patent: 5,900,424

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria212628► subscribe
Australia679766► subscribe
Australia7198194► 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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