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Details for Patent: 6,143,771

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Patent 6,143,771 protects NEXIUM IV and is included in one NDA. There has been one Paragraph IV challenge on Nexium IV.

Summary for Patent: 6,143,771

Title: Compounds
Abstract:The novel optically pure compounds Na.sup.+, Mg.sup.2+, Li.sup.+, K.sup.+, Ca.sup.2+ and N.sup.+ (R).sub.4 salts of (+)-5-methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H- benzimidazole or (-)-5-methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H- benzimidazole, in particular sodium and magnesium salt form thereof, where R is an alkyl with 1-4 carbon atoms, processes for the preparation thereof and pharmaceutical preparations containing the compounds as active ingredients, as well as the use of the compounds in pharmaceutical preparations and intermediates obtained by preparing the compounds.
Inventor(s): Lindberg; Per Lennart (Molndal, SE), von Unge; Sverker (Fjar.ang.s, SE)
Assignee: AstraZeneca AB (Sodertalje, SE)
Application Number:09/419,456
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form; Use;
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
Astrazeneca
NEXIUM IV
esomeprazole sodium
INJECTABLE;INTRAVENOUS021689Mar 31, 2005RXYes6,143,771<disabled>YTHE SHORT TERM TREATMENT (UP TO 10 DAYS) IN PTS HAVING GASTROESOPHAGEAL REFLUX DISEASE (GERD) AS AN ALTERNATIVE TO ORAL THERAPY IN PTS WHEN THERAPY WITH NEXIUM CAPSULES IS NOT POSSIBLE OR APPROPRIATE
Astrazeneca
NEXIUM IV
esomeprazole sodium
INJECTABLE;INTRAVENOUS021689Mar 31, 2005RXYes6,143,771<disabled>Y
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Foreign Priority and PCT Information for Patent: 6,143,771

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Sweden9301830May 28, 1993

International Patent Family for Patent: 6,143,771

Country Document Number Publication Date
South Africa9403557Apr 11, 1995
Yugoslavia31494May 28, 1997
Yugoslavia49065Aug 29, 2003
World Intellectual Property Organization (WIPO)9427988Dec 08, 1994
United States of America5693818Dec 02, 1997
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