Saturday, July 11, 2026

Patent directory · USPTO A61K / A61P

Patents matching “surfactant”

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

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This filtered view shows 23 pharmaceutical patents matching "surfactant" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

Patent results

23 results for “surfactant” · 30,257 patents in full index Clear search

  1. US 12357555

    Self-emulsifying composition, intended for administration onto the skin, containing biosurfactant, cosurfactant and oil phase

    INVENTIONBIO SPÓKA Z OGRANICZON ODPOWIEDZIALNOCIA · Granted Jul 15, 2025 · Expires Jul 10, 2045

    granted
  2. US 10967063

    Surfactant-free, water-free formable composition and breakable foams and their uses

    Vyne Therapeutics Inc. · Granted Apr 6, 2021 · Expires Apr 1, 2041

    granted
  3. US 10946101

    Surfactant-free water-free foamable compositions, breakable foams and gels and their uses

    Vyne Therapeutics Inc. · Granted Mar 16, 2021 · Expires Mar 11, 2041

    granted
  4. US 10736915

    Nylon-3 co-polymers and synthetic lung surfactant compositions containing same

    Northwestern University · Granted Aug 11, 2020 · Expires Aug 6, 2040

    granted
  5. US 10584306

    Surfactant microemulsions

    The Board of Regents of the University of Oklahoma · Granted Mar 10, 2020 · Expires Mar 5, 2040

    granted
  6. US 9925213

    Nylon-3 co-polymers and synthetic lung surfactant compositions containing same

    Northwestern University · Granted Mar 27, 2018 · Expires Mar 22, 2038

    granted
  7. US 9902690

    Ethoxylated surfactants

    The Board of Regents of the University of Oklahoma · Granted Feb 27, 2018 · Expires Feb 22, 2038

    granted
  8. US 9554999

    Lyophilization of synthetic liposomal pulmonary surfactant

    Windtree Therapeutics, Inc. · Granted Jan 31, 2017 · Expires Jan 26, 2037

    granted
  9. US 9499667

    Biodegradable surfactant, preparation method and use thereof

    GAINIA (SHANGHAI) PATENT TECHNOLOGY LTD. · Granted Nov 22, 2016 · Expires Nov 17, 2036

    granted
  10. US 9044392

    Nylon-3 co-polymers and synthetic lung surfactant compositions containing same

    Northwestern University · Granted Jun 2, 2015 · Expires May 28, 2035

    granted
  11. US 8748396

    Lyophilization of synthetic liposomal pulmonary surfactant

    Discovery Laboratories, Inc. · Granted Jun 10, 2014 · Expires Jun 5, 2034

    granted
  12. US 8748397

    Lyophilization of synthetic liposomal pulmonary surfactant

    Discovery Laboratories, Inc. · Granted Jun 10, 2014 · Expires Jun 5, 2034

    granted
  13. US 8337815

    Pulmonary surfactant formulations

    Discovery Laboratories, Inc. · Granted Dec 25, 2012 · Expires Dec 20, 2032

    granted
  14. US 8221772

    Pulmonary surfactant formulations and methods for promoting mucus clearance

    Discovery Laboratories, Inc. · Granted Jul 17, 2012 · Expires Jul 12, 2032

    granted
  15. US 8114830

    Polypeptoid pulmonary surfactants

    Northwestern University · Granted Feb 14, 2012 · Expires Feb 9, 2032

    granted
  16. US 7582312

    Methods to produce lung surfactant formulations via lyophilization and formulations and uses thereof

    Discovery Laboratories, Inc. · Granted Sep 1, 2009 · Expires Aug 27, 2029

    granted
  17. US 7541331

    Surfactant treatment regimen

    Discovery Laboratories, Inc. · Granted Jun 2, 2009 · Expires May 28, 2029

    granted
  18. US 7410958

    Triterpene quaternary salts as biologically active surfactants

    Regents of the University of Minnesota · Granted Aug 12, 2008 · Expires Aug 7, 2028

    granted
  19. US 7199114

    Triterpene quaternary salts as biologically active surfactants

    Regents of the University of Minnesota · Granted Apr 3, 2007 · Expires Mar 29, 2027

    granted
  20. US 6887845

    Polypeptoid pulmonary surfactants

    Northwestern University · Granted May 3, 2005 · Expires Apr 28, 2025

    expired
  21. US 2003068250

    Compositions including vitamin-based surfactants and methods for using same

    ALLERGAN SALES INC [US] · Granted Apr 10, 2003 · Expires Apr 5, 2023

    expired
  22. US 6255354

    Preparation of a pulmonary surfactant for instillation and oral application

    MSE Pharmazeutika GmbH · Granted Jul 3, 2001 · Expires Jun 28, 2021

    expired
  23. US 6180142

    Reduction of surfactant inactivation in pulmonary surfactant therapy

    The Regents of the University of California · Granted Jan 30, 2001 · Expires Jan 25, 2021

    expired