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 8227555

    Hydrolytically stable maleimide-terminated polymers

    Nektar Therapeutics · Granted Jul 24, 2012 · Expires Jul 19, 2032

    granted
  2. US 8227558

    Method for preparing polymer maleimides

    Nektar Therapeutics · Granted Jul 24, 2012 · Expires Jul 19, 2032

    granted
  3. US 8217123

    Stabilized polymeric thiol reagents

    Nektar Therapeutics · Granted Jul 10, 2012 · Expires Jul 5, 2032

    granted
  4. US 8193306

    Methods for preparing polymeric reagents and compositions of polymeric reagents

    Nektar Therapeutics · Granted Jun 5, 2012 · Expires May 31, 2032

    granted
  5. US 8182801

    Method for preparing water-soluble polymer derivatives bearing a terminal carboxylic acid

    Nektar Therapeutics · Granted May 22, 2012 · Expires May 17, 2032

    granted
  6. US 8183338

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

    Nektar Therapeutics · Granted May 22, 2012 · Expires May 17, 2032

    granted
  7. US 8173666

    Oligomer-opioid agonist conjugates

    Nektar Therapeutics · Granted May 8, 2012 · Expires May 3, 2032

    granted
  8. US 8143378

    Polymer factor VIII moiety conjugates

    Nektar Therapeutics · Granted Mar 27, 2012 · Expires Mar 22, 2032

    granted
  9. US 8133977

    Polymer-factor VIII moiety conjugates

    Nektar Therapeutics · Granted Mar 13, 2012 · Expires Mar 8, 2032

    granted
  10. US 8133865

    von Willebrand factor- and factor VIII-polymer conjugates having a releasable linkage

    Nektar Therapeutics · Granted Mar 13, 2012 · Expires Mar 8, 2032

    granted
  11. US 8106131

    Hydrolytically stable maleimide-terminated polymers

    Nektar Therapeutics · Granted Jan 31, 2012 · Expires Jan 26, 2032

    granted
  12. US 8097695

    Methods for the formation of hydrogels using thiosulfonate compositions and uses thereof

    Nektar Therapeutics · Granted Jan 17, 2012 · Expires Jan 12, 2032

    granted
  13. US 8088365

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

    Nektar Therapeutics · Granted Jan 3, 2012 · Expires Dec 29, 2031

    granted
  14. US 8084572

    Segmented polymers and their conjugates

    Nektar Therapeutics · Granted Dec 27, 2011 · Expires Dec 22, 2031

    granted
  15. US 8080236

    Particulate materials

    Nektar Therapeutics UK, Ltd · Granted Dec 20, 2011 · Expires Dec 15, 2031

    granted
  16. US 8076412

    Water-soluble polymer alkanals

    Nektar Therapeutics · Granted Dec 13, 2011 · Expires Dec 8, 2031

    granted
  17. US 8071692

    Multi-arm block copolymers as drug delivery vehicles

    Nektar Therapeutics · Granted Dec 6, 2011 · Expires Dec 1, 2031

    granted
  18. US 8071678

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

    Nektar Therapeutics · Granted Dec 6, 2011 · Expires Dec 1, 2031

    granted
  19. US 8067505

    Method of preparing carboxylic acid functionalized polymers

    Nektar Therapeutics · Granted Nov 29, 2011 · Expires Nov 24, 2031

    granted
  20. US 8067431

    Chemically modified small molecules

    Nektar Therapeutics · Granted Nov 29, 2011 · Expires Nov 24, 2031

    granted
  21. US 8058385

    Method for preparing conjugates using polymer maleimides

    Nektar Therapeutics · Granted Nov 15, 2011 · Expires Nov 10, 2031

    granted
  22. US 8039579

    Intermediates useful in the preparation of maleimide functionalized polymers

    Nektar Therapeutics · Granted Oct 18, 2011 · Expires Oct 13, 2031

    granted
  23. US 8034825

    Chemically modified small molecules

    Nektar Therapeutics · Granted Oct 11, 2011 · Expires Oct 6, 2031

    granted
  24. US 8008435

    Polymer stabilized neuropeptides

    Nektar Therapeutics · Granted Aug 30, 2011 · Expires Aug 25, 2031

    granted