Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9983187 | Method for extracting precursor acids from calcium naphthenate deposits | Rafael dos Santos Nascimento de Brito, Marcele Abreu Lopes | 2018-05-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9983187 | Method for extracting precursor acids from calcium naphthenate deposits | Rafael dos Santos Nascimento de Brito, Marcele Abreu Lopes | 2018-05-29 |