Wednesday, July 8, 2026

Patent intelligence · US

US 6448239

Peroxynitrite decomposition catalysts and methods of use thereof

expired A61PA61P21/04A61P25/00A61P25/14
Status expired
Linked drugs 3
Pipeline programs 1
Years to expiry 0
Applicant portfolio 163
Patent details — US 6448239
Jurisdiction
US
Status
expired
Grant date
Sep 10, 2002
Expiration
Sep 5, 2022
Claims
22
CPC classes
A61P, A61P21/04, A61P25/00, A61P25/14
View on Google Patents ↗

Quick answer

US 6448239 (Peroxynitrite decomposition catalysts and methods of use thereof) is held by THE TRUSTEES OF PRINCETON UNIVERSITY. Status: expired. Granted Sep 10, 2002. Expires Sep 5, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
22
CPC classes
A61P, A61P21/04, A61P25/00, A61P25/14, A61P25/28, A61P29/00

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Frequently asked questions

What is US patent 6448239?

US 6448239 (Peroxynitrite decomposition catalysts and methods of use thereof) is held by THE TRUSTEES OF PRINCETON UNIVERSITY. Status: expired. Granted Sep 10, 2002. Expires Sep 5, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6448239?

THE TRUSTEES OF PRINCETON UNIVERSITY is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 163 pharmaceutical patents for this assignee.

When does US 6448239 expire?

Our index shows an expiration date of Sep 5, 2022 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.