Wednesday, June 10, 2026

Patent intelligence · CA

CA 3089552

PROCEDE CONTINU DE PREPARATION DE TRAZODONE

granted A61K/31496A61P/2524
Status granted
Linked drugs 1
Pipeline programs 5
Years to expiry 13
Applicant portfolio 25
Patent details — CA 3089552

Quick answer

CA 3089552 (PROCEDE CONTINU DE PREPARATION DE TRAZODONE) is held by AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO ACRAF SPA [IT]. Status: granted. Granted Aug 15, 2019. Expires Aug 10, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K/31496, A61P/2524

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Frequently asked questions

What is US patent 3089552?

CA 3089552 (PROCEDE CONTINU DE PREPARATION DE TRAZODONE) is held by AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO ACRAF SPA [IT]. Status: granted. Granted Aug 15, 2019. Expires Aug 10, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Who owns CA 3089552?

AZIENDE CHIMICHE RIUNITE ANGELINI FRANCESCO ACRAF SPA [IT] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 25 pharmaceutical patents for this assignee.

When does CA 3089552 expire?

Our index shows an expiration date of Aug 10, 2039 (13 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.