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Last Updated: November 21, 2024

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

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

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

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