US Patent
US9301948 — Instantly wettable oral film dosage form without surfactant or polyalcohol
Composition of Matter · Assigned to IntelGenx Corp · Expires 2034-07-30 · 8y remaining
Vulnerability score
12/100
Ironclad — strong claim type, well-established, deep family
What this patent protects
This patent protects an instantly wettable and rapidly disintegrating oral film dosage form for a drug, without a surfactant or polyalcohol.
USPTO Abstract
An instantly wettable and rapidly disintegrating oral film dosage form without a surfactant and without a polyalcohol was achieved by combining at least one water soluble polymer that is not a copolymer of vinylpyrrolidone, at least one active agent, a copolymer of vinylpyrrolidone and titanium dioxide. In certain embodiments, the film comprises hydroxypropyl cellulose or a combination of hydroxypropyl cellulose and a polymer or copolymer of vinylpyrrolidone or a substituted vinylpyrrolidone as the water soluble polymer(s). A plasticizer, and optional additives selected from synthetic sweeteners, natural sweeteners, flavorants, antioxidants, colorants, and opacifiers, can be added to the disclosed film oral dosage forms.
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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