Wednesday, June 10, 2026

Patent directory Β· USPTO A61K / A61P

Browse patents

Browse 30,257 pharma-relevant patents (US A61K/A61P) linked to tracked companies, drugs, and pipeline programs.

Patents indexed 30,257
Companies 1,769
Drugs linked 4,797

Quick answer

NovaPharmaNews indexes 30,257 US pharmaceutical patents from USPTO PatentsView (CPC A61K/A61P), cross-linked to company assignees, drug INN profiles, and pipeline programs. Search by patent number, applicant, title, or CPC code β€” or use facet hubs for expiring patents, assignees, and therapeutic areas.

Patent results

Page 1229 of 1,261
  1. US 6225088

    DNA encoding plasminogen-like growth factor (PLGF) and related embodiments

    The United States of America, as represented by the Department of Health and Human Services Β· Granted May 1, 2001 Β· Expires Apr 26, 2021

    expired
  2. US 6224879

    Alphavirus expression vector

    Bioption AB Β· Granted May 1, 2001 Β· Expires Apr 26, 2021

    expired
  3. US 6224893

    Semi-interpenetrating or interpenetrating polymer networks for drug delivery and tissue engineering

    The Regents of the University of Technology Office of Technology Transfer Β· Granted May 1, 2001 Β· Expires Apr 26, 2021

    expired
  4. US 6225328

    Adamantyl-substituted retinoids and pharmaceutical/cosmetic compositions comprised thereof

    Centre International de Recherches Dermatalogiques Galderma (C.I.R.D.) Galderma Β· Granted May 1, 2001 Β· Expires Apr 26, 2021

    expired
  5. US 6225292

    Inhibitors of DNA immunostimulatory sequence activity

    The Regents of the University of California Β· Granted May 1, 2001 Β· Expires Apr 26, 2021

    expired
  6. US 6225350

    Butyrate prodrugs derived from lactic acid

    Vertex Pharmaceuticals Incorporated Β· Granted May 1, 2001 Β· Expires Apr 26, 2021

    expired
  7. US 6225290

    Systemic gene therapy by intestinal cell transformation

    The Regents of the University of California Β· Granted May 1, 2001 Β· Expires Apr 26, 2021

    expired
  8. US 6221910

    Glutamine containing oral replacement solution

    The Regents of the University of New Mexico Β· Granted Apr 24, 2001 Β· Expires Apr 19, 2021

    expired
  9. US 6221856

    Inositol derivatives for inhibiting superoxide anion production

    The Regents of the University of California Β· Granted Apr 24, 2001 Β· Expires Apr 19, 2021

    expired
  10. US 6221877

    Substituted 4-phthalimidocarboxanilides as inhibitors of purine salvage phosphoribosyltransferases

    The Regents of the University of California Β· Granted Apr 24, 2001 Β· Expires Apr 19, 2021

    expired
  11. US 6221861

    Reducing pyrophosphate deposition with calcium antagonists

    The Regents of the University of California Β· Granted Apr 24, 2001 Β· Expires Apr 19, 2021

    expired
  12. US 6221401

    Bilayer structure which encapsulates multiple containment units and uses thereof

    The Regents of the University of California Β· Granted Apr 24, 2001 Β· Expires Apr 19, 2021

    expired
  13. US 6221394

    Dosage forms

    Darwin Discovery Limited Β· Granted Apr 24, 2001 Β· Expires Apr 19, 2021

    expired
  14. US 6221348

    Immune lymphokine-mediated control of Salmonellosis in swine

    The United States of America, as represented by the Secretary of Agriculture Β· Granted Apr 24, 2001 Β· Expires Apr 19, 2021

    expired
  15. US 6221576

    Process for preparing macrophages, kits, and compositions for the use of this process

    I.D.M. Immuno-Designed Molecules Β· Granted Apr 24, 2001 Β· Expires Apr 19, 2021

    expired
  16. US 6221893

    Administration of histamine for therapeutic purposes

    Maxim Pharmaceuticals, Inc. Β· Granted Apr 24, 2001 Β· Expires Apr 19, 2021

    expired
  17. US 6221403

    Topical composition

    Seton Healthcare Group PLC Β· Granted Apr 24, 2001 Β· Expires Apr 19, 2021

    expired
  18. AU 7932800

    Treatment of fatigue, head injury and stroke

    AMARIN NEUROSCIENCE LTD Β· Granted Apr 23, 2001 Β· Expires Apr 18, 2021

    expired
  19. US 6218409

    Pharmaceutical composition

    Takeda Chemical Industries Ltd. Β· Granted Apr 17, 2001 Β· Expires Apr 12, 2021

    expired
  20. AU 7517700

    Solid lipid formulations

    CHEPLAPHARM ARZNEIMITTEL GMBH Β· Granted Apr 17, 2001 Β· Expires Apr 12, 2021

    expired
  21. AU 7286300

    Dispersion formulations containing lipase inhibitors

    CHEPLAPHARM ARZNEIMITTEL GMBH Β· Granted Apr 17, 2001 Β· Expires Apr 12, 2021

    expired
  22. US 6218596

    Enhancement of musculature in non-human mammals expressing c-ski

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Apr 17, 2001 Β· Expires Apr 12, 2021

    expired
  23. US 6218506

    Amyloid .beta. protein (globular assembly and uses thereof)

    Northwestern University Β· Granted Apr 17, 2001 Β· Expires Apr 12, 2021

    expired
  24. US 6218526

    Polynucleotide encoding human netrin-1

    The Regents of the University of California Β· Granted Apr 17, 2001 Β· Expires Apr 12, 2021

    expired

Frequently asked questions

What patents are included in this directory?

We index 30,257 published US pharma-relevant patents filtered to CPC classes A61K and A61P, with assignee links to our company directory where a match exists.

How do I search for a patent?

Use the search box to match patent number, title, applicant name, or CPC classification (e.g. A61K). For cross-entity queries spanning news and drugs, use the global search.

How is this different from the patent intelligence dashboard?

The dashboard at /patents highlights expirations, recent grants, and assignee rankings. Browse is the full paginated directory with search β€” best for looking up a specific filing or applicant portfolio slice.