Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11753361 | Method of isolation of ARN acids from naphthenate deposits | Valdemar Lacerda Junior, Eliane Valeria De Barros, Alvaro Cunha Neto, Wanderson Romao, Paulo Roberto Filgueiras +4 more | 2023-09-12 |