Patent intelligence · US
US 9828452
Process for the synthesis of poly (vinyl alcohol) and/or poly (vinyl acetate) with spherical morphology and shell-and-nucleus structure and its use in vascular embolization
Process for the synthesis of poly (vinyl alcohol) and/or poly (vinyl acetate) with spherical morphology and shell-and-nucleus structure and …
Patent details — US 9828452
- Jurisdiction
- US
- Status
- granted
- Grant date
- Nov 28, 2017
- Expiration
- Nov 23, 2037
- Applicant
- FIRST LINE INDUSTRIA E COMMERCIA S/A
- Claims
- 32
- CPC classes
- A61P, A61P35/00, A61P9/00
Quick answer
US 9828452 (Process for the synthesis of poly (vinyl alcohol) and/or poly (vinyl acetate) with spherical morphology and shell-and-nucleus structure and its use in vascular embolization) is held by FIRST LINE INDUSTRIA E COMMERCIA S/A. Status: granted. Granted Nov 28, 2017. Expires Nov 23, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- FIRST LINE INDUSTRIA E COMMERCIA S/A
- Grant date
- Expiration
- Claims
- 32
- CPC classes
- A61P, A61P35/00, A61P9/00
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Frequently asked questions
What is US patent 9828452?
US 9828452 (Process for the synthesis of poly (vinyl alcohol) and/or poly (vinyl acetate) with spherical morphology and shell-and-nucleus structure and its use in vascular embolization) is held by FIRST LINE INDUSTRIA E COMMERCIA S/A. Status: granted. Granted Nov 28, 2017. Expires Nov 23, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 9828452?
FIRST LINE INDUSTRIA E COMMERCIA S/A is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 123 pharmaceutical patents for this assignee.
When does US 9828452 expire?
Our index shows an expiration date of Nov 23, 2037 (11 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.