Wednesday, July 8, 2026

Patent intelligence · US

US 11352331

Crystal and salt of 4-(naphthalen-1-yl)-4H-1,2,4-triazole compound and preparation method therefor

granted A61KA61K31/416A61PA61P19/06
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 16
Applicant portfolio 706
Patent details — US 11352331
Jurisdiction
US
Status
granted
Grant date
Jun 7, 2022
Expiration
Jun 2, 2042
Claims
7
CPC classes
A61K, A61K31/416, A61P, A61P19/06
View on Google Patents ↗

Quick answer

US 11352331 (Crystal and salt of 4-(naphthalen-1-yl)-4H-1,2,4-triazole compound and preparation method therefor) is held by Medshine Discovery Inc.. Status: granted. Granted Jun 7, 2022. Expires Jun 2, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
7
CPC classes
A61K, A61K31/416, A61P, A61P19/06, A61P9/10

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Frequently asked questions

What is US patent 11352331?

US 11352331 (Crystal and salt of 4-(naphthalen-1-yl)-4H-1,2,4-triazole compound and preparation method therefor) is held by Medshine Discovery Inc.. Status: granted. Granted Jun 7, 2022. Expires Jun 2, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11352331?

Medshine Discovery Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 706 pharmaceutical patents for this assignee.

When does US 11352331 expire?

Our index shows an expiration date of Jun 2, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.