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Serving 500+ biopharmaceutical companies globally:

Colorcon
Baxter
Dow
Chubb
Medtronic
Queensland Health
Merck
Argus Health
Accenture
Healthtrust

Generated: September 22, 2017

DrugPatentWatch Database Preview

Details for Patent: ► Subscribe

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Which drugs does patent 8,450,338 protect, and when does it expire?


Patent ► Subscribe protects PREPOPIK and is included in one NDA. There has been one Paragraph IV challenge on Prepopik.

This patent has twenty-three patent family members in sixteen countries.

Summary for Patent: ► Subscribe

Title:Granular compositions of sodium picosulphate and potassium bicarbonate and uses thereof
Abstract: Compositions are provided that are useful for the preparation of a medicament. The compositions comprise granules having a layer of sodium picosulphate coated on potassium bicarbonate. Additional granules having a layer of magnesium oxide coated on a core of citric acid are also provided. The two types of granules may be combined to obtain mixtures (preferably homogeneous or substantially homogeneous mixtures) of the two types of granules, which are useful, e.g., as pharmaceutical compositions.
Inventor(s): Xu; Haijun (Zhongshan, CN), Diao; Tiejun (Zhongshan, CN)
Assignee: Ferring International Center S.A. (St-Prex, CH)
Application Number:13/246,739
Patent Claim Types:
see list of patent claims
Composition; Formulation; Process;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Ferring Pharms Inc
PREPOPIK
citric acid; magnesium oxide; sodium picosulfate
FOR SOLUTION;ORAL202535-001Jul 16, 2012RXYesYes► Subscribe► SubscribeY
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Foreign Priority and PCT Information for Patent: ► Subscribe

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
07254049Oct 12, 2007
China2007 1 0186023Nov 09, 2007
United Kingdom0805953.7Apr 01, 2008

Non-Orange Book Patents for Patent: ► Subscribe

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
8,481,083Granular compositions of magnesium oxide and citric acid and uses thereof► 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: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia2008309287► Subscribe
BrazilPI0818541► Subscribe
Canada2702152► Subscribe
China101406457► Subscribe
China101820859► Subscribe
European Patent Office2207526► Subscribe
United Kingdom0805953► Subscribe
Israel204500► Subscribe
Japan2011500549► Subscribe
Japan5654873► 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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Serving 500+ biopharmaceutical companies globally:

Boehringer Ingelheim
Teva
Cipla
Accenture
Dow
Fuji
Harvard Business School
Medtronic
QuintilesIMS
Healthtrust

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.

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