Wednesday, July 8, 2026

Patent directory · USPTO A61K / A61P

Patents matching “Nektar Therapeutics”

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

Matches 423
Index total 30,257
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This filtered view shows 423 pharmaceutical patents matching "Nektar Therapeutics" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

Patent results

423 results for “Nektar Therapeutics” · 30,257 patents in full index Clear search

  1. US 7101932

    Method for the preparation of 1-benzotriazolyl carbonate esters of poly (ethylene glycol)

    Nektar Therapeutics AL, Corporation · Granted Sep 5, 2006 · Expires Aug 31, 2026

    granted
  2. US 7078496

    Thioester-terminated water soluble polymers and method of modifying the N-terminus of a polypeptide therewith

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

    granted
  3. US 7060259

    Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)

    Nektar Therapeutics AL, Corporation · Granted Jun 13, 2006 · Expires Jun 8, 2026

    granted
  4. US 7056500

    Polymer conjugates of opioid antagonists

    Nektar Therapeutics AL, Corporation · Granted Jun 6, 2006 · Expires Jun 1, 2026

    granted
  5. US 7053150

    Segmented polymers and their conjugates

    Nektar Therapeutics AL, Corporation · Granted May 30, 2006 · Expires May 25, 2026

    granted
  6. US 7030278

    Polyethylene(Glycol) derivatives with proximal reactive groups

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

    expired
  7. US 7026440

    Branched polymers and their conjugates

    Nektar Therapeutics AL, Corporation · Granted Apr 11, 2006 · Expires Apr 6, 2026

    expired
  8. US 6992168

    Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof

    Nektar Therapeutics AL, Corporation · Granted Jan 31, 2006 · Expires Jan 26, 2026

    expired
  9. US 6946117

    Stabilized preparations for use in nebulizers

    Nektar Therapeutics · Granted Sep 20, 2005 · Expires Sep 15, 2025

    expired
  10. US 6921527

    Composition for pulmonary administration comprising a drug and a hydrophobic amino acid

    Nektar Therapeutics · Granted Jul 26, 2005 · Expires Jul 21, 2025

    expired
  11. US 6911197

    N-maleimidyl polymer derivatives

    Nektar Therapeutics AL, Corporation · Granted Jun 28, 2005 · Expires Jun 23, 2025

    expired
  12. US 6908963

    Thioester polymer derivatives and method of modifying the N-terminus of a polypeptide therewith

    Nektar Therapeutics AL, Corporation · Granted Jun 21, 2005 · Expires Jun 16, 2025

    expired
  13. US 6899898

    Induced phase transition method for the production of microparticles containing hydrophobic active agents

    Nektar Therapeutics · Granted May 31, 2005 · Expires May 26, 2025

    expired
  14. US 6899867

    Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)

    Nektar Therapeutics AL, Corporation · Granted May 31, 2005 · Expires May 26, 2025

    expired
  15. US 6896906

    Storage stable powder compositions of interleukin-4 receptor

    Nektar Therapeutics · Granted May 24, 2005 · Expires May 19, 2025

    expired
  16. US 6894025

    Biologically active molecules having thiol moiety conjugated to polymers containing ethyl sulfone moiety

    Nektar Therapeutics AL, Corporation · Granted May 17, 2005 · Expires May 12, 2025

    expired
  17. US 6890518

    Compositions of chemically modified insulin

    Nektar Therapeutics · Granted May 10, 2005 · Expires May 5, 2025

    expired
  18. US 6864350

    Soluble, degradable poly (ethylene glycol) derivatives for controllable release of bound molecules into solution

    Nektar Therapeutics AL, Corporation · Granted Mar 8, 2005 · Expires Mar 3, 2025

    expired
  19. US 6860907

    Method of particle formation

    Nektar Therapeutics · Granted Mar 1, 2005 · Expires Feb 24, 2025

    expired
  20. US 6838528

    Multi-arm block copolymers as drug delivery vehicles

    Nektar Therapeutics AL, Corporation · Granted Jan 4, 2005 · Expires Dec 30, 2024

    expired
  21. US 6838076

    Pulmonary administration of chemically modified insulin

    Nektar Therapeutics · Granted Jan 4, 2005 · Expires Dec 30, 2024

    expired
  22. US 6838075

    Inhaleable spray dried 4-helix bundle protein powders having minimized aggregation

    Nektar Therapeutics · Granted Jan 4, 2005 · Expires Dec 30, 2024

    expired
  23. US 6835372

    Compositions comprising an active agent

    Nektar Therapeutics · Granted Dec 28, 2004 · Expires Dec 23, 2024

    expired
  24. US 6825031

    Storage of materials

    Nektar Therapeutics · Granted Nov 30, 2004 · Expires Nov 25, 2024

    expired