Wednesday, July 8, 2026

Patent intelligence · US

US 11819571

Micelle constructs comprising curcumin

granted A61KA61K31/12A61K31/704A61K45/06
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 17
Applicant portfolio 2
Related coverage 2
Patent details — US 11819571

Quick answer

US 11819571 (Micelle constructs comprising curcumin) is held by IMMIX BIOPHARMA, INC.. Status: granted. Granted Nov 21, 2023. Expires Nov 16, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
16
CPC classes
A61K, A61K31/12, A61K31/704, A61K45/06, A61K47/24, A61K47/6849

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Frequently asked questions

What is US patent 11819571?

US 11819571 (Micelle constructs comprising curcumin) is held by IMMIX BIOPHARMA, INC.. Status: granted. Granted Nov 21, 2023. Expires Nov 16, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11819571?

IMMIX BIOPHARMA, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 2 pharmaceutical patents for this assignee.

When does US 11819571 expire?

Our index shows an expiration date of Nov 16, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.