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 1159 of 1,261
  1. US 6696242

    Recombinant proteins of a Pakistani strain of hepatitis E and their use in diagnostic methods and vaccines

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  2. US 6696600

    L-DOPA ethyl ester salts and uses thereof

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  3. US 6696562

    Avian astrovirus

    The United States of America, as represented by the Secretary of Agriculture Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  4. US 6696559

    Antimicrobial peptides and methods of use

    The Regents of the University of California Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  5. US 6696585

    Functionalized nanoparticles

    The Board of Regents of the University of Texas System Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  6. US 6696459

    Steroid receptor modulator compounds and methods

    Ligand Pharmaceuticals Incorporated Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  7. US 6696500

    Sustained-release preparation

    Takeda Chemical Industries Ltd. Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  8. US 6696407

    Huntington's disease treatment comprising administering aldose reductase inhibitors to increase striatal CNTF

    The Regents of the University of California Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  9. US 6696601

    Hydrate forms of alendronate sodium, processes for manufacture thereof, and pharmaceutical compositions thereof

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  10. US 6696441

    Inhibition of p53-induced stress response

    The Regents of the University of California Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  11. US 6696263

    PCNA associated cell cycle proteins, compositions and methods of use

    Rigel Pharmaceuticals, Inc. Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  12. US 6696079

    Delivery and activation through liposome incorporation of diaminocyclohexane platinum(II) complexes

    The Board of Regents of the University of Texas System Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  13. US 6696064

    Methods of protecting vasculature from damage by diphtheria toxin-and pseudomonas toxin-based immunotoxins during therapy

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  14. US 6696089

    Nanogel networks including polyion polymer fragments and biological agent compositions thereof

    BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  15. US 6696452

    Pyrazole compounds useful as protein kinase inhibitors

    Vertex Pharmaceuticals Incorporated Β· Granted Feb 24, 2004 Β· Expires Feb 19, 2024

    expired
  16. US 2004033243

    SINCALIDE FORMULATIONS

    BRACCO INT BV [NL] Β· Granted Feb 19, 2004 Β· Expires Feb 14, 2024

    expired
  17. US 6692724

    Ethylenedicysteine (EC)-drug conjugates, compositions and methods for tissue specific disease imaging

    The Board of Regents of the University of Texas System Β· Granted Feb 17, 2004 Β· Expires Feb 12, 2024

    expired
  18. US 6693103

    1,2,3,4-tetrahydro-2-thioxo-quinolinyl and 1,2,3,4-tetrahydro-2-oxo-quinolinyl derivatives as progesterone receptor modulators

    Ligand Pharmaceuticals Incorporated Β· Granted Feb 17, 2004 Β· Expires Feb 12, 2024

    expired
  19. US 6693202

    Muscarinic receptor antagonists

    Theravance, Inc. Β· Granted Feb 17, 2004 Β· Expires Feb 12, 2024

    expired
  20. US 6693130

    Inhibitors of epoxide hydrolases for the treatment of hypertension

    The Regents of the University of California Β· Granted Feb 17, 2004 Β· Expires Feb 12, 2024

    expired
  21. US 6693108

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

    Vertex Pharmaceuticals Incorporated Β· Granted Feb 17, 2004 Β· Expires Feb 12, 2024

    expired
  22. US 6693183

    MURINE &agr; (1,3) FUCOSYLTRANSFERASE FUC-TVII, DNA ENCODING THE SAME, METHOD FOR PREPARING THE SAME, ANTIBODIES RECOGNIZING THE SAME, IMMUNOASSAYS FOR DETECTING THE SAME, PLASMIDS CONTAINING SUCH DNA, AND CELLS CONTAINING SUCH A PLASMID

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN Β· Granted Feb 17, 2004 Β· Expires Feb 12, 2024

    expired
  23. US 6692910

    Inhibition of a target messenger RNA with a modified U1 small nuclear RNA

    UNIVERSITY OF CONNECTICUT Β· Granted Feb 17, 2004 Β· Expires Feb 12, 2024

    expired
  24. US 6693075

    Modified vitamin K-dependent polypeptides

    Regents of the University of Minnesota Β· Granted Feb 17, 2004 Β· Expires Feb 12, 2024

    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.