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Last Updated: May 29, 2020

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Details for Patent: 5,004,613


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Summary for Patent: 5,004,613
Title: Oral sustained release pharmaceutical formulation and process
Abstract:A pharmaceutical sustained release tablet or tablet layer is formed by making a wet granulation, using povidone (PVP) in water or alcohol-water as the granulating fluid which is mixed with a pharmaceutical active, hydroxyethyl cellulose, a wicking agent e.g. microcrystalline cellulose, then drying and milling the granulation and blending with dry powdered erosion promotor, e.g. pregelantinized starch, additional wicking agent, lubricant e.g. magnesium stearate and glidant e.g. silicon dioxide, and compressing the resultant granulation, which upon administration results in a slow release of the pharmaceutical active.
Inventor(s): Radebaugh; Galen W. (Chester, NJ), Murtha; John L. (Holland, PA), Glinecke; Robert (Glenside, PA)
Assignee: McNeil-PPC, Inc. (Milltown, NJ)
Application Number:07/392,748
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 5,004,613
Patent Claim Types:
see list of patent claims
Dosage form; Process; Composition; Formulation;

Drugs Protected by US Patent 5,004,613

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 5,004,613

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2001288   Start Trial
Australia 611704   Start Trial
Canada 1315202   Start Trial
Germany 3880762   Start Trial
European Patent Office 0305051   Start Trial
Spain 2054813   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Dow
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