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Last Updated: March 24, 2023

Details for Patent: 6,099,859


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Summary for Patent: 6,099,859
Title: Controlled release oral tablet having a unitary core
Abstract:A controlled release antihyperglycemic tablet that does not contain an expanding polymer and comprising a core containing the antihyperglycemic drug, a semipermeable membrane coating the core and at least one passageway in the membrane.
Inventor(s): Cheng; Xiu Xiu (Davie, FL), Chen; Chih-Ming (Davie, FL), Jan; Steve (Coral Springs, FL), Chou; Joseph (Coral Springs, FL)
Assignee: Andrx Pharmaceuticals, Inc. (Fort Lauderdale, FL)
Application Number:09/045,330
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,099,859
Patent Claim Types:
see list of patent claims
Dosage form; Formulation; Device;

Drugs Protected by US Patent 6,099,859

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 6,099,859

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 3101999 See Plans and Pricing
Australia 739226 See Plans and Pricing
Canada 2324493 See Plans and Pricing
China 1158999 See Plans and Pricing
China 1308520 See Plans and Pricing
>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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Merck
Harvard Business School

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