Wednesday, July 8, 2026

Patent intelligence · US

US 11484591

Chemoprevention using controlled-release formulations of anti-interleukin 6 agents, synthetic vitamin A analogues or metabolites, and estrad…

granted A61KA61K2039/505A61K31/167A61K31/565
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 16
Applicant portfolio 8,292
Patent details — US 11484591
Jurisdiction
US
Status
granted
Grant date
Nov 1, 2022
Expiration
Oct 27, 2042
Claims
3
CPC classes
A61K, A61K2039/505, A61K31/167, A61K31/565
View on Google Patents ↗

Quick answer

US 11484591 (Chemoprevention using controlled-release formulations of anti-interleukin 6 agents, synthetic vitamin A analogues or metabolites, and estradiol metabolites) is held by THE REGENTS OF THE UNIVERSITY OF MICHIGAN. Status: granted. Granted Nov 1, 2022. Expires Oct 27, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
3
CPC classes
A61K, A61K2039/505, A61K31/167, A61K31/565, A61K31/74, A61K39/3955

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Frequently asked questions

What is US patent 11484591?

US 11484591 (Chemoprevention using controlled-release formulations of anti-interleukin 6 agents, synthetic vitamin A analogues or metabolites, and estradiol metabolites) is held by THE REGENTS OF THE UNIVERSITY OF MICHIGAN. Status: granted. Granted Nov 1, 2022. Expires Oct 27, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11484591?

THE REGENTS OF THE UNIVERSITY OF MICHIGAN is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8,292 pharmaceutical patents for this assignee.

When does US 11484591 expire?

Our index shows an expiration date of Oct 27, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.