Wednesday, July 8, 2026

biotech · Hypertension · Essential Hypertension · QNTM

Quantum Pharmaceuticals

Quantum Pharmaceuticals patent portfolio — 36 USPTO pharmaceutical patents (A61K/A61P) with grant dates, status, and loss-of-exclusivity filters.

volkova 6A-1206, Moscow, 141700, RU, CA HQ
2004 Founded
29 Employees
Public company Type
QNTM · NYSE Ticker
Company details
Status
Public
HQ
volkova 6A-1206, Moscow, 141700, RU, CA
Founded
2004
Employees
29
Programs
18
Drugs
17
Patents
36
Intelligence · Patents

Quantum Pharmaceuticals patents

36 pharmaceutical patents indexed for Quantum Pharmaceuticals. 0 expire within 24 months.

Quantum Pharmaceuticals has 36 pharmaceutical patents in our USPTO PatentsView index (A61K/A61P). 0 expire within 24 months — use filters for patent-cliff planning.

Patent portfolio

  1. US 12391720

    Salts and polymorphs of cethromycin for the treatment of disease

    Expires Mon Aug 14 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  2. US 12377151

    Immobilized endoglycosidase fusion protein and use thereof

    Expires Mon Jul 31 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  3. US 12370266

    Polymer composite nanomaterial encapsulation system

    Expires Mon Jul 24 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  4. US 12318457

    Oligosaccharide linker, linker-payload comprising the same and glycan chain-remodeled antibody-drug conjugate, preparation methods and uses thereof

    Expires Mon May 29 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  5. US 12312377

    Biconjugatable labels and methods of use

    Expires Mon May 22 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  6. US 12195454

    Compounds for imaging tau proteins that accumulate in the brain

    Expires Mon Jan 09 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  7. US 12102694

    Radiolabeled compound producing method and producing apparatus, radiolabeled compound and radioisotope producing apparatus

    Expires Mon Sep 26 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  8. US 11999748

    Exatecan derivatives, linker-payloads, and conjugates and thereof

    Expires Mon May 30 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  9. US 11911435

    Stable antibody-drug conjugate, preparation method therefor, and use thereof

    Expires Mon Feb 22 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  10. US 11911434

    Stable antibody-drug conjugate, preparation method therefor, and use thereof

    Expires Mon Feb 22 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  11. US 11834688

    Ligase fusion proteins and application thereof

    Expires Mon Nov 30 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  12. US 11826432

    Linkers, conjugates and applications thereof

    Expires Mon Nov 23 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  13. US 11814394

    Exatecan derivatives, linker-payloads, and conjugates and thereof

    Expires Mon Nov 09 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  14. US 11752223

    Method for producing Ac-225 solution and method for producing medicine using Ac-225 solution

    Expires Mon Sep 07 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  15. US 11717576

    Antibody-immune agonist conjugate and applications thereof

    Expires Mon Aug 03 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  16. US 11697667

    Salts and polymorphs of cethromycin for the treatment of disease

    Expires Mon Jul 06 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  17. US 11667628

    Compounds for imaging tau proteins that accumulate in brain

    Expires Mon Jun 01 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  18. US 11453870

    Ligase fusion proteins and application thereof

    Expires Mon Sep 22 2042 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  19. US 11389550

    Nanoparticle, contrast agent for magnetic resonance imaging containing same, and ligand compound

    Expires Mon Jul 14 2042 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  20. US 11345658

    Compounds and compositions comprising the same for treating hypertension or heart failure

    Expires Mon May 26 2042 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  21. US 11192907

    Aminopeptidase A inhibitors and pharmaceutical compositions comprising the same

    Expires Mon Dec 02 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  22. US 11040084

    Stable antibody-drug conjugate, preparation method therefor, and use thereof

    Expires Mon Jun 17 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  23. US 11020479

    Method for production of solid water particles for homeopathy

    Expires Mon May 27 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  24. US 10959938

    Combination of (3S,3S′) 4,4′-disulfanediylbis(3-aminobutane 1-sulfonic acid) and a second antihypertensive agent

    Expires Mon Mar 25 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  25. US 10604516

    Compounds for imaging tau proteins that accumulate in the brain

    Expires Mon Mar 26 2040 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  26. US 9572881

    Halogenated compounds for photodynamic therapy

    Expires Mon Feb 16 2037 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  27. US 9487477

    Crystalline phase of (3S,3S′) 4,4′-disulfanediylbis(3-aminobutane 1-sulfonic acid) with L-lysine

    Expires Mon Nov 03 2036 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  28. US 9278921

    Crystalline phase of (3S.3S′) 4,4′-disulfanediylbis(3-aminobutane 1-sulfonic acid) with L-lysine

    Expires Mon Mar 03 2036 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  29. US 9095612

    Halogenated compounds for photodynamic therapy

    Expires Mon Jul 30 2035 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  30. US 9040721

    Halogenated compounds for Photodynamic therapy

    Expires Mon May 21 2035 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  31. US 8962797

    Halogenated compounds for photodynamic therapy

    Expires Mon Feb 19 2035 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  32. US 8748446

    Halogenated compounds for photodynamic therapy

    Expires Mon Jun 05 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  33. US 8646246

    Method of preparing a composition in blister packages

    Expires Mon Feb 06 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  34. US 8491893

    Oncofetal antigen/immature laminin receptor antibodies for diagnostic and clinical applications

    Expires Mon Jul 18 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  35. US 7815935

    Orally distintegrating formulation and process for preparing the same

    Expires Mon Oct 14 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  36. US 6770276

    Insulin-containing medicament for peroral application and method for the production thereof

    Expires Mon Jul 29 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

Frequently asked questions

How many patents does Quantum Pharmaceuticals have?

36 published patents match the current filter (all indexed). The full portfolio is indexed from USPTO PatentsView (A61K/A61P).

When do Quantum Pharmaceuticals patents expire?

0 patents in the full portfolio expire within 24 months. Use the expiring filters above or open individual patent pages for grant and expiration dates.