Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9745509 | Process to treat subterranean formations using a chelating agent | Cornelia Adriana De Wolf, Mohammed Sayed, Estevao De Oliveira Barra | 2017-08-29 |
| 9725643 | Foam or viscosified composition containing a chelating agent | Cornelia Adriana De Wolf, Edwin Rudolf Antony Bang, Guanqun Wang, Josef Johannes Maria Baltussen, Conrardus Hubertus Joseph Theeuwen +2 more | 2017-08-08 |
| 9587171 | Ammonium salts of chelating agents and their use in oil and gas field applications | Cornelia Adriana De Wolf, James N. Lepage, Mohamed Ahmed Nasr-El-Din Mahmoud, Edwin Rudolf Antony Bang, Noble Thekkemelathethil George | 2017-03-07 |