Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5032285 | Reverse emulsion breaking method using amine containing polymers | Michael L. Braden | 1991-07-16 |
| 5032297 | Enzymatically degradable fluid loss additive | Charles D. Williamson, Robert K. Gabel, David A. Huddleston | 1991-07-16 |
| 5021167 | Method for separating liquid from water using amine containing polymers | Michael L. Braden | 1991-06-04 |
| 5009267 | Method for temporarily reducing permeability of subterranean formations | Charles D. Williamson, Robert K. Gabel | 1991-04-23 |
| 4997581 | Additive and method for temporarily reducing permeability of subterranean formations | Charles D. Williamson, Robert K. Gabel | 1991-03-05 |
| 4917803 | Water clarification process | — | 1990-04-17 |
| 4873280 | Water clarification process and composition and method | — | 1989-10-10 |
| 4792406 | Method for dewatering a slurry using a twin belt press with cationic amine salts | Michael L. Braden, Jack A. Banik | 1988-12-20 |
| 4699951 | Bimodal cationics for water clarification | Stephen D. Wagner | 1987-10-13 |
| 4588508 | Bimodal cationics for water clarification | Stephen D. Wagner | 1986-05-13 |