Wednesday, July 8, 2026

Patent intelligence · US

US 11446360

High-purity inhalable particles of insulin and insulin analogues, and high-efficiency methods of manufacturing the same

granted A61KA61K38/28A61K9/0073A61K9/008
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 16
Applicant portfolio 15
Related coverage 1
Patent details — US 11446360

Quick answer

US 11446360 (High-purity inhalable particles of insulin and insulin analogues, and high-efficiency methods of manufacturing the same) is held by Amphastar Pharmaceuticals, Inc.. Status: granted. Granted Sep 20, 2022. Expires Sep 15, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
9
CPC classes
A61K, A61K38/28, A61K9/0073, A61K9/008, A61K9/143, A61P

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Frequently asked questions

What is US patent 11446360?

US 11446360 (High-purity inhalable particles of insulin and insulin analogues, and high-efficiency methods of manufacturing the same) is held by Amphastar Pharmaceuticals, Inc.. Status: granted. Granted Sep 20, 2022. Expires Sep 15, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11446360?

Amphastar Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 15 pharmaceutical patents for this assignee.

When does US 11446360 expire?

Our index shows an expiration date of Sep 15, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.