Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10047587 | Methods for producing fluid invasion resistant cement slurries | Flavio H. Marchesini, Rafael Menezes De Oliveira, Ashok Santra, Maria Paiva | 2018-08-14 |
| 9624419 | Methods for producing fluid migration resistant cement slurries | Flavio H. Marchesini, Ashok Santra, Maria Paiva, Thomas Singh Sodhi | 2017-04-18 |