Last Updated: November 8, 2026

Details for Patent: 6,495,162

Name: Drug Patent Intelligence for US Patent 6495162
Creator: DrugPatentWatch
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Summary for Patent: 6,495,162

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:	US10/016,556
Patent Claim Types: see list of patent claims	Formulation; Compound; Device; Dosage form;

Drugs Protected by US Patent 6,495,162

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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 6,495,162

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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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