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Last Updated: October 26, 2020

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Details for Patent: 8,475,841

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Summary for Patent: 8,475,841
Title:Controlled release metformin formulations
Abstract: Sustained release pharmaceutical formulations comprising an antihyperglycemic drug or a pharmaceutically acceptable salt thereof are disclosed. The formulations provide therapeutic plasma levels of the antihyperglycemic drug to a human patient over a 24 hour period after administration.
Inventor(s): Cheng; Xiu Xiu (Weston, FL), Jan; Steve (Coral Spings, FL), Chou; Joseph (Manasses, VA), Chen; Chih-Ming (Taipei, TW)
Assignee: Andrx Labs, LLC (Davie, FL)
Application Number:13/052,154
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Dosage form; Device;

Drugs Protected by US Patent 8,475,841

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 8,475,841

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 3101999   Start Trial
Australia 739226   Start Trial
Canada 2324493   Start Trial
China 1158999   Start Trial
China 1308520   Start Trial
Germany 69941115   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Express Scripts
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Harvard Business School
Mallinckrodt
Boehringer Ingelheim

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