Saturday, July 11, 2026

Patent directory · USPTO A61K / A61P

Patents matching “LTD.”

1,301 pharma patents match "LTD." in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.

Matches 1,301
Index total 30,257
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This filtered view shows 1,301 pharmaceutical patents matching "LTD." in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

Patent results

1,301 results for “LTD.” · 30,257 patents in full index Clear search

  1. US 6849737

    Synthesis and purification of valacyclovir

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. · Granted Feb 1, 2005 · Expires Jan 27, 2025

    expired
  2. US 6849736

    Crystalline forms of valacyclovir hydrochloride

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. · Granted Feb 1, 2005 · Expires Jan 27, 2025

    expired
  3. US 6849112

    Inorganic particles as a dental material and a method of producing the same

    CATALYSTS & CHEMICALS INDUSTRIES CO., LTD. · Granted Feb 1, 2005 · Expires Jan 27, 2025

    expired
  4. US 6844179

    Protein and DNA thereof

    Takeda Chemical Industries Ltd. · Granted Jan 18, 2005 · Expires Jan 13, 2025

    expired
  5. US 6835326

    Fluorescent ink compositions comprising functionalized fluorescent nanocrystals

    BioCrystal, Ltd. · Granted Dec 28, 2004 · Expires Dec 23, 2024

    expired
  6. US 6833381

    TNF-&agr; inhibitors

    Takeda Chemical Industries Ltd. · Granted Dec 21, 2004 · Expires Dec 16, 2024

    expired
  7. US 6825259

    Resin-coated scale-like inorganic particles and cosmetics with the same blended therein

    CATALYSTS & CHEMICALS INDUSTRIES CO., LTD. · Granted Nov 30, 2004 · Expires Nov 25, 2024

    expired
  8. US 6825165

    Betacellulin modification

    Takeda Chemical Industries Ltd. · Granted Nov 30, 2004 · Expires Nov 25, 2024

    expired
  9. US 6806373

    Process for preparing leflunomide form I

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. · Granted Oct 19, 2004 · Expires Oct 14, 2024

    expired
  10. US 6800611

    Metastin derivatives and their use

    Takeda Chemical Industries Ltd. · Granted Oct 5, 2004 · Expires Sep 30, 2024

    expired
  11. US 6800778

    Process for producing optically active naphthalene derivative and optical resolver therefor

    Takeda Chemical Industries Ltd. · Granted Oct 5, 2004 · Expires Sep 30, 2024

    expired
  12. US 6800759

    Racemization and enantiomer separation of clopidogrel

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. · Granted Oct 5, 2004 · Expires Sep 30, 2024

    expired
  13. US 6797483

    Polypeptide and DNA thereof

    Takeda Chemical Industries Ltd. · Granted Sep 28, 2004 · Expires Sep 23, 2024

    expired
  14. US 6794491

    Polypeptides, their production and use

    Takeda Chemical Industries Ltd. · Granted Sep 21, 2004 · Expires Sep 16, 2024

    expired
  15. US 6794383

    Heart muscular cell apoptosis inhibitors and remedies/preventives for heart diseases

    Takeda Chemical Industries Ltd. · Granted Sep 21, 2004 · Expires Sep 16, 2024

    expired
  16. US 6790877

    Bonding compositions for dental use

    KURARAY CO., LTD. · Granted Sep 14, 2004 · Expires Sep 9, 2024

    expired
  17. US 6790839

    Pharmaceutical administration of adenosine agonists

    CAN-FITE BIOPHARMA LTD. · Granted Sep 14, 2004 · Expires Sep 9, 2024

    expired
  18. US 6787650

    Urea compounds, process for producing the same and use thereof

    Takeda Chemical Industries Ltd. · Granted Sep 7, 2004 · Expires Sep 2, 2024

    expired
  19. US 6784314

    Process for producing amine derivatives

    Takeda Chemical Industries Ltd. · Granted Aug 31, 2004 · Expires Aug 26, 2024

    expired
  20. US 6777435

    Crystals of an oxyiminoalkanoic acid derivative and their use as antidiabetics

    Takeda Chemical Industries Ltd. · Granted Aug 17, 2004 · Expires Aug 12, 2024

    expired
  21. US 6774230

    Methods for the preparation of mirtazapine intermediates

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. · Granted Aug 10, 2004 · Expires Aug 5, 2024

    expired
  22. US 6764997

    Stabilized azithromycin compositions

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. · Granted Jul 20, 2004 · Expires Jul 15, 2024

    expired
  23. US 6762032

    Compositions, assay kits, and methods for use related to a disease condition comprising multiple sclerosis and/or a pro-MS immune response

    BioCrystal, Ltd. · Granted Jul 13, 2004 · Expires Jul 8, 2024

    expired
  24. US 6756229

    Human cell line showing stable expression of cytochromes P450

    Takeda Chemical Industries Ltd. · Granted Jun 29, 2004 · Expires Jun 24, 2024

    expired