GB Patent
GB0514043D0 — Fentanyl formulation
Assigned to Sosei R&D Ltd · Expires 2005-08-17 · 21y expired
What this patent protects
Formulations of fentanyl, especially pump spray formulations suitable for sublingual delivery, contain a low amount of methanol.
USPTO Abstract
Formulations of fentanyl, especially pump spray formulations suitable for sublingual delivery, contain a low amount of methanol.
Drugs covered by this patent
- Subutex (Buprenorphine Hydrochloride) · Indivior
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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