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Serving hundreds of leading biopharmaceutical companies globally:

US Department of Justice
Express Scripts
Moodys
UBS
Cerilliant
Cantor Fitzgerald
Mallinckrodt
Merck
Colorcon

Generated: April 26, 2018

DrugPatentWatch Database Preview

Details for Patent: 8,481,083

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Summary for Patent: 8,481,083
Title:Granular compositions of magnesium oxide and citric acid 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 Port, CN), Diao; Tiejun (Zhongshan Port, CN)
Assignee: Ferring International Center S.A. (St-Prex, CH)
Application Number:12/677,857
Patent Claim Types:
see list of patent claims
Composition; Formulation;

Drugs Protected by US Patent 8,481,083

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Ferring Pharms Inc PREPOPIK citric acid; magnesium oxide; sodium picosulfate FOR SOLUTION;ORAL 202535-001 Jul 16, 2012 RX Yes Yes ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Foreign Priority and PCT Information for Patent: 8,481,083

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
PCT Information
PCT FiledOctober 10, 2008PCT Application Number:PCT/IB2008/003199
PCT Publication Date:April 16, 2009PCT Publication Number: WO2009/047633

Non-Orange Book US Patents Family Members for Patent 8,481,083

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
8,450,338 Granular compositions of sodium picosulphate and potassium bicarbonate and uses thereof ➤ Sign Up
Patent No. Title Estimated Patent Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Colorcon
Express Scripts
McKesson
Farmers Insurance
US Department of Justice
US Army
McKinsey
Dow
Harvard Business School

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