Wednesday, July 8, 2026

Patent intelligence · US

US 8420669

Derivatives of 4-(2-amino-1-hydroxyethyl)phenol as agonists of the BETA2 adrenergic receptor

granted A61PA61P11/00A61P11/06A61P15/06
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 7
Applicant portfolio 308
Patent details — US 8420669
Jurisdiction
US
Status
granted
Grant date
Apr 16, 2013
Expiration
Apr 11, 2033
Claims
6
CPC classes
A61P, A61P11/00, A61P11/06, A61P15/06
View on Google Patents ↗

Quick answer

US 8420669 (Derivatives of 4-(2-amino-1-hydroxyethyl)phenol as agonists of the BETA2 adrenergic receptor) is held by Laboratories Almirall, S.A.. Status: granted. Granted Apr 16, 2013. Expires Apr 11, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
6
CPC classes
A61P, A61P11/00, A61P11/06, A61P15/06, A61P25/00, A61P27/06

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Frequently asked questions

What is US patent 8420669?

US 8420669 (Derivatives of 4-(2-amino-1-hydroxyethyl)phenol as agonists of the BETA2 adrenergic receptor) is held by Laboratories Almirall, S.A.. Status: granted. Granted Apr 16, 2013. Expires Apr 11, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8420669?

Laboratories Almirall, S.A. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 308 pharmaceutical patents for this assignee.

When does US 8420669 expire?

Our index shows an expiration date of Apr 11, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.