Wednesday, July 8, 2026

Patent intelligence · US

US 6939878

Deuterated rapamycin compounds, method and uses thereof

expired A61PA61P35/02A61P37/06
Status expired
Years to expiry 0
Applicant portfolio 69
Patent details — US 6939878
Jurisdiction
US
Status
expired
Grant date
Sep 6, 2005
Expiration
Sep 1, 2025
Claims
14
CPC classes
A61P, A61P35/02, A61P37/06
View on Google Patents ↗

Quick answer

US 6939878 (Deuterated rapamycin compounds, method and uses thereof) is held by ISOTECHNIKA INTERNATIONAL INC.. Status: expired. Granted Sep 6, 2005. Expires Sep 1, 2025 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
14
CPC classes
A61P, A61P35/02, A61P37/06

More from ISOTECHNIKA INTERNATIONAL INC.

Related pharmaceutical patents in our USPTO index.

  1. US 12415779

    Processes of making 3-fluoro-5-(((1S,2aR)-1,3,3,4,4-pentafluoro-2a-hydroxy-2,2a,3,4-tetrahydro-1H-cyclopenta[cd]inden-7-yl)oxy)-benzonitrile and polymorphs thereof

    NIKANG THERAPEUTICS, INC. · Expires Sep 11, 2045

    granted
  2. US 12391642

    Tetrahydro-1H-cyclopenta[cd]indene derivatives as hypoxia inducible factor-2(alpha) inhibitors

    NIKANG THERAPEUTICS, INC. · Expires Aug 14, 2045

    granted
  3. US 12331026

    Sulfonamido derivatives as cyclin-dependent kinase 2 inhibitors

    NIKANG THERAPEUTICS, INC. · Expires Jun 12, 2045

    granted
  4. US 12264167

    Fused tricyclic ring derivatives as SRC homology-2 phosphate inhibitors

    NIKANG THERAPEUTICS, INC. · Expires Mar 27, 2045

    granted
  5. US 12171741

    2,3-dihydrobenzo[b]thiophene derivatives as hypoxia inducible factor-2(alpha) inhibitors

    NIKANG THERAPEUTICS, INC. · Expires Dec 19, 2044

    granted
  6. US 12077506

    Indane derivatives as hypoxia inducible factor-2(α) inhibitors

    NIKANG THERAPEUTICS, INC. · Expires Aug 29, 2044

    granted
  7. US 11939303

    Sulfamate derivatives of 4-(1-phenyl-1H-[1,2,3]triazol-4-yl)-phenol, derivatives of 4-(1-phenyl-1H-[1,2,3]triazol-4-yl)-phenol, their medical use and the method of obtaining 4-(1-phenyl-1H-[1,2,3]triazol-4-yl)-phenyl sulfamate derivatives

    Politechnika Gdanska · Expires Mar 21, 2044

    granted
  8. US 11753366

    Tetrahydro-1H-cyclopenta[cd]indene derivatives as hypoxia inducible factor-2(alpha) inhibitors

    NIKANG THERAPEUTICS, INC. · Expires Sep 7, 2043

    granted

Frequently asked questions

What is US patent 6939878?

US 6939878 (Deuterated rapamycin compounds, method and uses thereof) is held by ISOTECHNIKA INTERNATIONAL INC.. Status: expired. Granted Sep 6, 2005. Expires Sep 1, 2025 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6939878?

ISOTECHNIKA INTERNATIONAL INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 69 pharmaceutical patents for this assignee.

When does US 6939878 expire?

Our index shows an expiration date of Sep 1, 2025 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.