Wednesday, June 10, 2026

Patent directory · USPTO A61K / A61P

Patents matching “polyethylene”

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

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This filtered view shows 11 pharmaceutical patents matching "polyethylene" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

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11 results for “polyethylene” · 30,257 patents in full index Clear search

  1. US 12011450

    Polyethylene glycol-conjugated glucocorticoid prodrugs and compositions and methods thereof

    BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA · Granted Jun 18, 2024 · Expires Jun 13, 2044

    granted
  2. US 11890353

    Anti-polyethylene glycol (PEG) antibody mouse model for rigorous assessment of PEG-based therapies

    Northwestern University · Granted Feb 6, 2024 · Expires Feb 1, 2044

    granted
  3. US 11583541

    Polyethylene glycol-conjugated glucocorticoid prodrugs and compositions and methods thereof

    BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA · Granted Feb 21, 2023 · Expires Feb 16, 2043

    granted
  4. US 10933071

    Polyethylene glycol-conjugated glucocorticoid prodrugs and compositions and methods thereof

    BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA · Granted Mar 2, 2021 · Expires Feb 25, 2041

    granted
  5. US 10485809

    Polyethylene glycol-conjugated glucocorticoid prodrugs and compositions and methods thereof

    BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA · Granted Nov 26, 2019 · Expires Nov 21, 2039

    granted
  6. US 9150837

    Polyethylene glycolated superoxide dismutase mimetics

    Galera Labs, LLC · Granted Oct 6, 2015 · Expires Oct 1, 2035

    granted
  7. US 8901277

    Interferon alpha mutant and its polyethylene glycol derivative

    Beijing Tri-Prime Genetic Engineering Co., Ltd · Granted Dec 2, 2014 · Expires Nov 27, 2034

    granted
  8. US 8217166

    Polyethylene glycolated superoxide dismutase mimetics

    Galera Therapeutics, LLC · Granted Jul 10, 2012 · Expires Jul 5, 2032

    granted
  9. US 8168751

    Interferon alpha mutant and its polyethylene glycol derivative

    Beijing Tri-Prime Genetic Engineering Co., Ltd · Granted May 1, 2012 · Expires Apr 26, 2032

    granted
  10. US 7223803

    Polyethylene (glycol) derivatives with proximal reactive groups

    Nektar Therapeutics AL, Corporation · Granted May 29, 2007 · Expires May 24, 2027

    granted
  11. US 7030278

    Polyethylene(Glycol) derivatives with proximal reactive groups

    Nektar Therapeutics AL, Corporation · Granted Apr 18, 2006 · Expires Apr 13, 2026

    expired