EP2470172A1 — Pharmaceutical formulations and methods of use
Assigned to Nuvo Research Inc · Expires 2012-07-04 · 14y expired
What this patent protects
In one embodiment, the present invention provides a topical composition including a topically acting anesthetic active ingredient; an ester; a non-ionic surfactant; a polar solvent; water, and optionally a buffer, a pH adjusting agent or an anti-oxidant. The compositions are usef…
USPTO Abstract
In one embodiment, the present invention provides a topical composition including a topically acting anesthetic active ingredient; an ester; a non-ionic surfactant; a polar solvent; water, and optionally a buffer, a pH adjusting agent or an anti-oxidant. The compositions are useful for alleviating pain especially associated with acute herpes zoster.
Drugs covered by this patent
- Duragesic (fentanyl) · Johnson & Johnson (Janssen Pharmaceutica)
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.
Track this patent
Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.