Wednesday, July 8, 2026

Patent intelligence · US

US 12383516

Albuterol aerosol suspension formulation for oral inhalation with high amount of green propellant hydrofluoroolefin (HFO) and free of co-sol…

granted A61KA61K31/137A61K47/06A61K47/10
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 19
Applicant portfolio 15
Patent details — US 12383516
Jurisdiction
US
Status
granted
Grant date
Aug 12, 2025
Expiration
Aug 7, 2045
Claims
20
CPC classes
A61K, A61K31/137, A61K47/06, A61K47/10
View on Google Patents ↗

Quick answer

US 12383516 (Albuterol aerosol suspension formulation for oral inhalation with high amount of green propellant hydrofluoroolefin (HFO) and free of co-solvent) is held by Amphastar Pharmaceuticals, Inc.. Status: granted. Granted Aug 12, 2025. Expires Aug 7, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K31/137, A61K47/06, A61K47/10, A61K47/26, A61K47/32

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Frequently asked questions

What is US patent 12383516?

US 12383516 (Albuterol aerosol suspension formulation for oral inhalation with high amount of green propellant hydrofluoroolefin (HFO) and free of co-solvent) is held by Amphastar Pharmaceuticals, Inc.. Status: granted. Granted Aug 12, 2025. Expires Aug 7, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12383516?

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 12383516 expire?

Our index shows an expiration date of Aug 7, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.