Wednesday, July 8, 2026

Patent directory · USPTO A61K / A61P

Patents matching “nitrogen”

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

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

Patent results

30 results for “nitrogen” · 30,257 patents in full index Clear search

  1. US 12358863

    Nitrogen-containing derivative of substituted phenol hydroxy acid ester, and preparation and use thereof

    WEST CHINA HOSPITAL, SICHUAN UNIVERSITY · Granted Jul 15, 2025 · Expires Jul 10, 2045

    granted
  2. US 11208418

    Nitrogenous tricyclic compounds and uses thereof in medicine

    SUNSHINE LAKE PHARMA CO., LTD. · Granted Dec 28, 2021 · Expires Dec 23, 2041

    granted
  3. US 10865200

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Dec 15, 2020 · Expires Dec 10, 2040

    granted
  4. US 10214508

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Feb 26, 2019 · Expires Feb 21, 2039

    granted
  5. US 10208046

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Feb 19, 2019 · Expires Feb 14, 2039

    granted
  6. US 10017508

    Nitrogenated heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Jul 10, 2018 · Expires Jul 5, 2038

    granted
  7. US 9902712

    Nitrogenous heterocyclic derivatives and their application in drugs

    SUNSHINE LAKE PHARMA CO., LTD. · Granted Feb 27, 2018 · Expires Feb 22, 2038

    granted
  8. US 9789083

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Oct 17, 2017 · Expires Oct 12, 2037

    granted
  9. US 9789084

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Oct 17, 2017 · Expires Oct 12, 2037

    granted
  10. US 9775827

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Oct 3, 2017 · Expires Sep 28, 2037

    granted
  11. US 9675597

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Jun 13, 2017 · Expires Jun 8, 2037

    granted
  12. US 9662316

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted May 30, 2017 · Expires May 25, 2037

    granted
  13. US 9655881

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted May 23, 2017 · Expires May 18, 2037

    granted
  14. US 9518042

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Dec 13, 2016 · Expires Dec 8, 2036

    granted
  15. US 9499516

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Nov 22, 2016 · Expires Nov 17, 2036

    granted
  16. US 9469637

    Nitrogenated heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Oct 18, 2016 · Expires Oct 13, 2036

    granted
  17. US 9434695

    Nitrogenous heterocyclic derivatives and their application in drugs

    SUNSHINE LAKE PHARMA CO., LTD. · Granted Sep 6, 2016 · Expires Sep 1, 2036

    granted
  18. US 9315458

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Apr 19, 2016 · Expires Apr 14, 2036

    granted
  19. US 2014206764

    Poly(Nitrogen/Amine) Derivatives of a Natural Wax and Ophthalmic Compositions

    BAUSCH & LOMB [US] · Granted Jul 24, 2014 · Expires Jul 19, 2034

    granted
  20. US 8772277

    Nitrogen-containing heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Jul 8, 2014 · Expires Jul 3, 2034

    granted
  21. US 8729115

    Valsartan derivatives carrying nitrogen oxide donors for the treatment of vascular and metabolic diseases

    CARDIOLYNX AG · Granted May 20, 2014 · Expires May 15, 2034

    granted
  22. US 8592454

    Nitrogen-containing heterocyclic compound and use of same

    Takeda Pharmaceutical Company Limited · Granted Nov 26, 2013 · Expires Nov 21, 2033

    granted
  23. US 8470816

    Nitrogen-containing heterocyclic compound and use thereof

    Takeda Pharmaceutical Company Limited · Granted Jun 25, 2013 · Expires Jun 20, 2033

    granted
  24. US 8349886

    Nitrogenated 5-membered heterocyclic compound

    Takeda Pharmaceutical Company Limited · Granted Jan 8, 2013 · Expires Jan 3, 2033

    granted