CA2847611A1 — Tamper resistant pharmaceutical formulations
Assigned to Purdue Pharma LP · Expires 2013-03-21 · 13y expired
What this patent protects
Disclosed in certain embodiments is an oral dosage form comprising a plurality of particles, each particle comprising a compressed core comprising: (i) an active agent susceptible to abuse and (ii) a gelling agent; wherein the plurality of particles contains a therapeutically or …
USPTO Abstract
Disclosed in certain embodiments is an oral dosage form comprising a plurality of particles, each particle comprising a compressed core comprising: (i) an active agent susceptible to abuse and (ii) a gelling agent; wherein the plurality of particles contains a therapeutically or prophylactically effective amount of the active agent; and wherein the viscosity of the dosage form mixed with from about 0.5 to about 10 ml of an aqueous liquid is unsuitable for parenteral or nasal administration.
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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