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

Patent Metadata

Patent number
US9301948
Jurisdiction
US
Classification
Composition of Matter
Expires
2034-07-30
Drug substance claim
Yes
Drug product claim
Yes
Assignee
IntelGenx Corp
Source
FDA Orange Book + USPTO grounding via Google Patents

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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