Claims 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):	Xiu Xiu Cheng, Chih-Ming Chen, Steve Jan, Joseph Chou
Assignee:	Andrx Laboratories LLC
Application Number:	US09/045,330
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 6,099,859
Patent Claims:

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