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Serving hundreds of leading biopharmaceutical companies globally:

Farmers Insurance
McKinsey
Express Scripts
US Department of Justice
Cantor Fitzgerald
US Army
Chinese Patent Office
Mallinckrodt
Chubb

Generated: May 25, 2018

DrugPatentWatch Database Preview

Details for Patent: 8,450,338

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Summary for Patent: 8,450,338
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 Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,450,338
Patent Claim Types:
see list of patent claims
Composition; Formulation; Process;

Drugs Protected by US Patent 8,450,338

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 ➤ Try a Free Trial ➤ Try a Free Trial Y ➤ Try a Free Trial
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: 8,450,338

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 US Patents Family Members for Patent 8,450,338

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
8,481,083 Granular compositions of magnesium oxide and citric acid and uses thereof ➤ Try a Free Trial
Patent No. Title Estimated Patent Expiration

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International Family Members for US Patent 8,450,338

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Russian Federation 2473332 ➤ Try a Free Trial
Russian Federation 2010112483 ➤ Try a Free Trial
Portugal 2207526 ➤ Try a Free Trial
New Zealand 583899 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Baxter
Federal Trade Commission
QuintilesIMS
Cipla
Boehringer Ingelheim
Queensland Health
Express Scripts
Healthtrust
Merck

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