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Details for Patent: 5,817,338

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Patent 5,817,338 protects PRILOSEC OTC and is included in one NDA. There have been two Paragraph IV challenges on Prilosec OTC. There is one tentative approval for the compound protected by this patent. Additional details are available via the generic ingredient links below.

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

Summary for Patent: 5,817,338

Title: Multiple unit tableted dosage form of omeprazole
Abstract:A new pharmaceutical multiple unit tableted dosage form containing omeprazole or one of its single enantiomers or an alkaline salt of omeprazole or one of its single enantiomers, a method for the manufacture of such a formulation, and the use of such a formulation in medicine.
Inventor(s): Bergstrand; Pontus John Arvid (Goteborg, SE), Lovgren; Kurt Ingmar (Molndal, SE)
Assignee: Astra Aktiebolag (Sodertalje, SE)
Application Number:08/454,395
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form; Compound; Process;

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Astrazeneca Pharms
omeprazole magnesium
TABLET, DELAYED RELEASE;ORAL021229-001Jun 20, 2003OTCYes5,817,338Oct 6, 2015
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Foreign Priority and PCT Information for Patent: 5,817,338

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Sweden9402432Jul 08, 1994
Sweden9402433Jul 08, 1994
PCT Information
PCT FiledJune 07, 1995PCT Application Number:PCT/SE95/00677
PCT Publication Date:January 25, 1996PCT Publication Number: WO96/01623

International Patent Family for Patent: 5,817,338

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria206044► subscribe
Austria414509► subscribe
Australia2993795► 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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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.