Wednesday, July 8, 2026

Patent intelligence · US

US 11559556

Citrus fruit extract-mediated synthesis of tellurium nanomaterials having biomedical applications

granted A61KA61K33/04A61K36/752A61K9/5115
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 17
Applicant portfolio 595
Patent details — US 11559556
Jurisdiction
US
Status
granted
Grant date
Jan 24, 2023
Expiration
Jan 19, 2043
Claims
8
CPC classes
A61K, A61K33/04, A61K36/752, A61K9/5115
View on Google Patents ↗

Quick answer

US 11559556 (Citrus fruit extract-mediated synthesis of tellurium nanomaterials having biomedical applications) is held by Northwestern University. Status: granted. Granted Jan 24, 2023. Expires Jan 19, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
8
CPC classes
A61K, A61K33/04, A61K36/752, A61K9/5115, A61K9/5123, A61K9/5161

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Frequently asked questions

What is US patent 11559556?

US 11559556 (Citrus fruit extract-mediated synthesis of tellurium nanomaterials having biomedical applications) is held by Northwestern University. Status: granted. Granted Jan 24, 2023. Expires Jan 19, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11559556?

Northwestern University is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 595 pharmaceutical patents for this assignee.

When does US 11559556 expire?

Our index shows an expiration date of Jan 19, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.