Thursday, June 11, 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 1167 of 1,261
  1. US 6646170

    Intermediates for the synthesis of ether compounds

    Esperion Therapeutics, Inc. Β· Granted Nov 11, 2003 Β· Expires Nov 6, 2023

    expired
  2. US 6646120

    Dextran derivatives, preparation and medicinal applications

    BIODEX Β· Granted Nov 11, 2003 Β· Expires Nov 6, 2023

    expired
  3. US 6645941

    6,11-3C-bicyclic 9a-azalide derivatives

    Enanta Pharmaceuticals, Inc. Β· Granted Nov 11, 2003 Β· Expires Nov 6, 2023

    expired
  4. US 6646012

    Sodium channel modulators

    Theravance, Inc. Β· Granted Nov 11, 2003 Β· Expires Nov 6, 2023

    expired
  5. US 6645484

    Method of blocking blood vessel growth using tie-2 ligand 2

    REGENERON PHARMACEUTICALS, INC. Β· Granted Nov 11, 2003 Β· Expires Nov 6, 2023

    expired
  6. US 6645463

    Blood-pool selective carrier for lipophilic imaging agents

    The Board of Regents of the University of Michigan Β· Granted Nov 11, 2003 Β· Expires Nov 6, 2023

    expired
  7. AU 2003222814

    PHARMACEUTICAL COMPOSITION COMPRISING A LIPASE INHIBITOR AND GLUCOMANNAN

    HOFFMANN LA ROCHE [DE] Β· Granted Nov 10, 2003 Β· Expires Nov 5, 2023

    expired
  8. US 6642049

    Human brain endothelial cells and growth medium and method for expansion of primitive CD34+CD38-bone marrow stem cells

    United States of America as represented by the Secretary of the Air Force Β· Granted Nov 4, 2003 Β· Expires Oct 30, 2023

    expired
  9. US 6642227

    Inhibitors of c-Jun N-terminal kinases (JNK) and other protein kinases

    Vertex Pharmaceuticals Incorporated Β· Granted Nov 4, 2003 Β· Expires Oct 30, 2023

    expired
  10. US 6642363

    Polymers containing polysaccharides such as alginates or modified alginates

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN Β· Granted Nov 4, 2003 Β· Expires Oct 30, 2023

    expired
  11. US 6642201

    Use of a dipeptide for stimulating repair processes

    Obschestvo S Ogranichennoi Otvetstven Nostiji ΓƒΒ’Γ’β€šΒ¬Γ…β€œKlinika Instituta Bioregulyatsii GerontologiiΓƒΒ’Γ’β€šΒ¬Γ‚Β Β· Granted Nov 4, 2003 Β· Expires Oct 30, 2023

    expired
  12. US 6641818

    Cellular proteins which mediate herpesvirus entry

    Northwestern University Β· Granted Nov 4, 2003 Β· Expires Oct 30, 2023

    expired
  13. US 6641815

    Sequestrin

    The United States of America as represented by the Secretary of the Army Β· Granted Nov 4, 2003 Β· Expires Oct 30, 2023

    expired
  14. US 6638926

    Pyrazole compounds useful as protein kinase inhibitors

    Vertex Pharmaceuticals Incorporated Β· Granted Oct 28, 2003 Β· Expires Oct 23, 2023

    expired
  15. US 6638514

    Multivalent dengue virus vaccine

    The United States of America as represented by the Secretary of the Army Β· Granted Oct 28, 2003 Β· Expires Oct 23, 2023

    expired
  16. US 6639060

    erbB-3 nucleic acids

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Oct 28, 2003 Β· Expires Oct 23, 2023

    expired
  17. US 6638912

    Peptide compositions mimicking TGF-&bgr; activity

    The Regents of the University of California Β· Granted Oct 28, 2003 Β· Expires Oct 23, 2023

    expired
  18. US 6638914

    Pharmaceutical administration of adenosine agonists

    CAN-FITE BIOPHARMA LTD. Β· Granted Oct 28, 2003 Β· Expires Oct 23, 2023

    expired
  19. US 6638495

    Stabilized preparation for use in metered dose inhalers

    Nektar Therapeutics Β· Granted Oct 28, 2003 Β· Expires Oct 23, 2023

    expired
  20. US 6639105

    Illudin analogs useful as antitumor agents

    The Regents of the University of California Β· Granted Oct 28, 2003 Β· Expires Oct 23, 2023

    expired
  21. US 6638543

    Use of natural EGFR inhibitors to prevent side effects due to retinoid therapy, soaps, and other stimuli that activate the epidermal growth factor receptor

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN Β· Granted Oct 28, 2003 Β· Expires Oct 23, 2023

    expired
  22. US 6638919

    Antiviral purine derivatives

    University College Cardiff Consultants Limited Β· Granted Oct 28, 2003 Β· Expires Oct 23, 2023

    expired
  23. US 6635676

    Non-toxic antimicrobial compositions and methods of use

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN Β· Granted Oct 21, 2003 Β· Expires Oct 16, 2023

    expired
  24. US 6635644

    Inhibitors of p38

    Vertex Pharmaceuticals Incorporated Β· Granted Oct 21, 2003 Β· Expires Oct 16, 2023

    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.