Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455429 | Oxazolines of 2-(alkylthio)succinic acids as an additive for drilling muds | Antonio Gutierrez, Robert C. Portnoy, Stanley J. Brois | 1984-06-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455429 | Oxazolines of 2-(alkylthio)succinic acids as an additive for drilling muds | Antonio Gutierrez, Robert C. Portnoy, Stanley J. Brois | 1984-06-19 |