Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370848 | Sulfur absorbents | Randall A. Porter | 1994-12-06 |
| 5358921 | Selective removal of hydrogen sulfide over a zinc oxide and silica absorbing composition | Dennis R. Kidd, Donald H. Kubicek, Paul F. Schubert | 1994-10-25 |
| 5310717 | Sulfur absorbents | Randall A. Porter | 1994-05-10 |