EP2457563A1 — Zero-order modified release solid dosage forms
Assigned to Mallinckrodt LLC · Expires 2012-05-30 · 14y expired
What this patent protects
The invention comprises a solid dosage form for delivery of water soluble pharmaceutical agents. The solid dosage form comprises a matrix core containg the pharmaceutical agent and a hydrophobic material; a modified release coating containing a hydrophilic pore-forming agent and …
USPTO Abstract
The invention comprises a solid dosage form for delivery of water soluble pharmaceutical agents. The solid dosage form comprises a matrix core containg the pharmaceutical agent and a hydrophobic material; a modified release coating containing a hydrophilic pore-forming agent and a hydrophobic polymer; and an overcoating surrounding the modified release coating. The dosage form exhibits a zero-order release profile upon dissolution.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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