Wednesday, July 8, 2026

Patent intelligence · US

US 11491190

Visco-supplement compositions, and methods of use thereof

granted A61KA61K35/30A61K35/50A61K45/06
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 16
Applicant portfolio 127
Patent details — US 11491190
Jurisdiction
US
Status
granted
Grant date
Nov 8, 2022
Expiration
Nov 3, 2042
Claims
19
CPC classes
A61K, A61K35/30, A61K35/50, A61K45/06
View on Google Patents ↗

Quick answer

US 11491190 (Visco-supplement compositions, and methods of use thereof) is held by Prime Merger Sub, LLC. Status: granted. Granted Nov 8, 2022. Expires Nov 3, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
19
CPC classes
A61K, A61K35/30, A61K35/50, A61K45/06, A61K9/0019

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Frequently asked questions

What is US patent 11491190?

US 11491190 (Visco-supplement compositions, and methods of use thereof) is held by Prime Merger Sub, LLC. Status: granted. Granted Nov 8, 2022. Expires Nov 3, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11491190?

Prime Merger Sub, LLC is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 127 pharmaceutical patents for this assignee.

When does US 11491190 expire?

Our index shows an expiration date of Nov 3, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.