Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6117310 | Process for treating a hydrocarbon substrate with a bisoxazolidine hydrogen sulfide scavenger | — | 2000-09-12 |
| 5958352 | Abatement of hydrogen sulfide with an aldehyde ammonia trimer | Michael Callaway | 1999-09-28 |
| 5554349 | Process for scavenging H.sub.2 S by mixtures of hexahydrotriazines | Richard L. Rybacki | 1996-09-10 |
| 5347004 | Mixtures of hexahydrotriazines useful as H.sub.2 S scavengers | Richard L. Rybacki | 1994-09-13 |
| 5247087 | Epoxy modified water clarifiers | — | 1993-09-21 |
| 5152927 | Water clarifier | — | 1992-10-06 |
| 4721576 | Well drilling fluids and process for drilling wells | Arthur H. Hale | 1988-01-26 |