Details for Patent: 6,723,340

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Summary for Patent: 6,723,340

Title:	Optimal polymer mixtures for gastric retentive tablets
Abstract:	Unit dosage form tablets for the delivery of pharmaceuticals are formed of the pharmaceutical dispersed in a solid unitary matrix that is formed of a combination of poly(ethylene oxide) and hydroxypropyl methylcellulose. The combination offers unique benefits in terms of release rate control and reproducibility while allowing both swelling of the tablet to effect gastric retention and gradual disintegration of the tablet to clear the tablet from the gastrointestinal tract after release of the drug has occurred.
Inventor(s):	Gusler; Gloria (Cupertino, CA), Berner; Bret (El Granada, CA), Chau; Mei (Sunnyvale, CA), Padua; Aimee (Daly City, CA)
Assignee:	DepoMed, Inc. (Menlo Park, CA)
Application Number:	10/029,134
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 6,723,340
Patent Claim Types: see list of patent claims	Formulation; Compound; Dosage form;

Drugs Protected by US Patent 6,723,340

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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 6,723,340

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	536863	⤷ Sign Up
Australia	2002337974	⤷ Sign Up
Canada	2409999	⤷ Sign Up
European Patent Office	1446106	⤷ Sign Up
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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