Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4378049 | Methods, additives and compositions for temporarily sealing high temperature permeable formations | Hui-Min Hsu | 1983-03-29 |
| 4316810 | Gelled oil base compositions and methods of preparation and use of same | — | 1982-02-23 |
| 4202795 | Methods and additives for delaying the release of chemicals in aqueous fluids | James E. Briscoe, Eugene A. Elphingstone | 1980-05-13 |
| 4200539 | Fracturing compositions and method of preparing and using the same | Robert L. Tiner | 1980-04-29 |
| 4200540 | Method for fracturing subterranean formations | — | 1980-04-29 |