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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.

This patent has seventy-three patent family members in forty countries.

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 Pharms
NEXIUM IV
esomeprazole sodium
INJECTABLE;INTRAVENOUS021689-001Mar 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 Pharms
NEXIUM IV
esomeprazole sodium
INJECTABLE;INTRAVENOUS021689-001Mar 31, 2005RXYes6,143,771<disabled>Y
Astrazeneca Pharms
NEXIUM IV
esomeprazole sodium
INJECTABLE;INTRAVENOUS021689-002Mar 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 Pharms
NEXIUM IV
esomeprazole sodium
INJECTABLE;INTRAVENOUS021689-002Mar 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

Non-Orange Book Patents for Patent: 6,143,771

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
5,714,504 Compositions<disabled in preview>
5,693,818 Process for preparing pure salts of pyridinylmethyl-sulfinyl-1H-benzimidazole<disabled in preview>
6,875,872 Compounds<disabled in preview>
5,877,192 Method for the treatment of gastric acid-related diseases and production of medication using (-) enantiomer of omeprazole<disabled in preview>
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International Patent Family for Patent: 6,143,771

Country Document Number Publication Date
Czech Republic9500202Oct 18, 1995
Hong Kong1028044Oct 16, 2009
Spain2326404Oct 09, 2009
Iceland4161Nov 29, 1994
Spain2099047May 16, 1997
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ISSN: 2162-2639

Preferred citation:

Friedman, Y. Location of pharmaceutical innovation: 2000–2009 Nature Reviews Drug Discovery 9, 835–836 (2010).

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