Details for Patent: 6,893,662

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Summary for Patent: 6,893,662

Patent landscape, scope, and claims:

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;
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Drugs Protected by US Patent 6,893,662

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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 6,893,662

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	389389	⤷ Subscribe
Australia	2002226955	⤷ Subscribe
Brazil	0117180	⤷ Subscribe
Brazil	PI0117180	⤷ Subscribe
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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