Saturday, June 20, 2026

Patent directory · 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 — or use facet hubs for expiring patents, assignees, and therapeutic areas.

Patent results

Page 1201 of 1,261
  1. US 6413732

    Substrate analogs that substitute for lipid I as a substrate for MurG

    THE TRUSTEES OF PRINCETON UNIVERSITY · Granted Jul 2, 2002 · Expires Jun 27, 2022

    expired
  2. US 6413544

    Liposome complexes for increased systemic delivery

    The United States of America, as represented by the Department of Health and Human Services · Granted Jul 2, 2002 · Expires Jun 27, 2022

    expired
  3. US 6413972

    Nitrogen-containing heterocyclic compounds, their production and use

    Takeda Chemical Industries Ltd. · Granted Jul 2, 2002 · Expires Jun 27, 2022

    expired
  4. US 6413773

    Phosphatidylinositol 3-kinase inhibitors as stimulators of endocrine differentiation

    The Regents of the University of California · Granted Jul 2, 2002 · Expires Jun 27, 2022

    expired
  5. US 6413944

    Triciribine and analogs as antiviral drugs

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN · Granted Jul 2, 2002 · Expires Jun 27, 2022

    expired
  6. US 6414132

    Method of eliminating inhibitory/instability regions of mRNA

    The United States of America, as represented by the Department of Health and Human Services · Granted Jul 2, 2002 · Expires Jun 27, 2022

    expired
  7. US 6414039

    Active topical skin protectants containing polyoxometalates and/or coinage metal complexes

    The United States of America as represented by the Secretary of the Army · Granted Jul 2, 2002 · Expires Jun 27, 2022

    expired
  8. US 6413938

    Benzimidazole derivatives for the treatment of viral infections

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN · Granted Jul 2, 2002 · Expires Jun 27, 2022

    expired
  9. WO 0250105

    COMPOSES

    SMITHKLINE BEECHAM CORP [US] · Granted Jun 27, 2002 · Expires Jun 22, 2022

    expired
  10. US 6410802

    Methods for synthesizing ether compounds and intermediates therefor

    Esperion Therapeutics, Inc. · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  11. US 6409990

    Macromolecular carrier for drug and diagnostic agent delivery

    The Regents of the University of California · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  12. US 6410594

    Substituted cyclopentane compounds useful as neuraminidase inhibitors

    BioCryst Pharmaceuticals, Inc. · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  13. US 6410721

    Polynucleotide decoys that inhibit MHC-II expression and uses thereof

    The Regents of the University of California · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  14. US 6410612

    Denture rebases

    KURARAY CO., LTD. · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  15. US 6410510

    Administration modified ciliary neurotrophic factors

    REGENERON PHARMACEUTICALS, INC. · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  16. US 6410604

    Active topical skin protectants containing OPAA enzymes and clecs

    The United States of America as represented by the Secretary of the Army · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  17. US 6410603

    Active topical skin protectants using combinations of reactive nanoparticles and polyoxometalates or metal salts

    The United States of America as represented by the Secretary of the Army · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  18. US 6410824

    Animal model for psoriasis for the prevention and treatment of psoriasis in humans

    Protein Design Labs, Inc. · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  19. US 6410049

    Preparation of stable formulations of lipid-nucleic acid complexes for efficient in vivo delivery

    The Regents of the University of California · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  20. US 6410537

    Compositions having neuroprotective and analgesic activity

    The United States of America as represented by the Secretary of the Army · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  21. US 6410029

    2-methoxyestradiol-induced apoptosis in cancer cells

    The Board of Regents of the University of Texas System · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  22. US 6410023

    Recombinant parainfluenza virus vaccines attenuated by deletion or ablation of a non-essential gene

    The United States of America · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  23. US 6410039

    Protective topical composition, products including the same, and methods

    First Scientific, Inc. · Granted Jun 25, 2002 · Expires Jun 20, 2022

    expired
  24. US 6410747

    Highly selective butyrylcholinesterase inhibitors for the treatment and diagnosis of alzheimer's disease and dementias

    The United States of America, as represented by the Department of Health and Human Services · Granted Jun 25, 2002 · Expires Jun 20, 2022

    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 — best for looking up a specific filing or applicant portfolio slice.