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Last Updated: January 28, 2020

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Details for Patent: 8,481,083

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Which drugs does patent 8,481,083 protect, and when does it expire?

Patent 8,481,083 protects PREPOPIK and is included in one NDA.

This patent has thirty-one patent family members in twenty-four countries.

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 Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,481,083
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 Submissiondate
Ferring Pharms Inc PREPOPIK citric acid; magnesium oxide; sodium picosulfate FOR SOLUTION;ORAL 202535-001 Jul 16, 2012 DISCN Yes No   Start Trial   Start Trial Y   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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

International Family Members for US Patent 8,481,083

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2008309287   Start Trial
Brazil PI0818541   Start Trial
Canada 2702152   Start Trial
China 101406457   Start Trial
China 101820859   Start Trial
Denmark 2207526   Start Trial
European Patent Office 2207526   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

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Express Scripts

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