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Last Updated: March 28, 2024

Details for Patent: 6,893,662


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Summary for Patent: 6,893,662
Title: Pharmaceutical dosage form with multiple coatings for reduced impact of coating fractures
Abstract:The present invention relates to a pharmaceutical composition in a solid unit dosage form for oral administration in a human or lower animal comprising: a. a safe and effective amount of a therapeutically active agent; b. an inner coating layer selected from the group consisting of poly(methacrylic acid, methyl methacrylate) 1:2, poly(methacrylic acid, methyl methacrylate) 1:1, and mixtures thereof; and c. an outer coating layer comprising an enteric polymer or film coating material; wherein the inner coating layer is not the same as the outer coating layer; wherein if the inner coating layer is poly(methacrylic acid, methyl methacrylate) 1:1 then the outer coating layer is not poly(methacrylic acid, methyl methacrylate) 1:2 or is not a mixture of poly(methacrylic acid, methyl methacrylate) 1:1 and poly(methacrylic acid, methyl methacrylate) 1:2; and wherein the inner coating layer and the outer coating layer do not contain any therapeutically active agent. This invention further relates to a method of maintaining the desired site of delivery of a therapeutic agent in the gastrointestinal tract by administering the above compositions to a human or lower animal.
Inventor(s): Dittmar; Gregory Paul (Norwich, NY), Amante; Joseph Michael (Norwich, NY), Cronk; Tony Ryan (Mishawaka, IN), Newby; Daniel Gary (New Berlin, NY)
Assignee: The Procter & Gamble Company (Cincinnati, OH)
Application Number:09/996,555
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,893,662
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form; Use; Delivery;

Drugs Protected by US Patent 6,893,662

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

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