Wednesday, July 8, 2026

Patent directory · USPTO A61K / A61P

Patents matching “epinephrine”

5 pharma patents match "epinephrine" in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.

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This filtered view shows 5 pharmaceutical patents matching "epinephrine" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

Patent results

5 results for “epinephrine” · 30,257 patents in full index Clear search

  1. US 12427121

    Enhanced delivery epinephrine compositions

    Aquestive Therapeutics, Inc. · Granted Sep 30, 2025 · Expires Sep 25, 2045

    granted
  2. US 12023309

    Enhanced delivery epinephrine compositions

    Aquestive Therapeutics, Inc. · Granted Jul 2, 2024 · Expires Jun 27, 2044

    granted
  3. US 11266611

    More potent and less toxic formulations of epinephrine and methods of medical use

    Eton Pharmaceuticals, Inc. · Granted Mar 8, 2022 · Expires Mar 3, 2042

    granted
  4. US 11191737

    Enhanced delivery epinephrine compositions

    Aquestive Therapeutics, Inc. · Granted Dec 7, 2021 · Expires Dec 2, 2041

    granted
  5. US 8367734

    Stable epinephrine suspension formulation with high inhalation delivery efficiency

    Amphastar Pharmaceuticals, Inc. · Granted Feb 5, 2013 · Expires Jan 31, 2033

    granted