Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5750392 | Composition for reducing the amount of and preventing the formation of hydrogen sulfide in an aqueous system, particularly in an aqueous system used in oil field applications | Donald O. Hitzman, George T. Sperl | 1998-05-12 |
| 5405531 | Method for reducing the amount of and preventing the formation of hydrogen sulfide in an aqueous system | Donald O. Hitzman, George T. Sperl | 1995-04-11 |