Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816241 | Gaseous reduction of phosphoric acid | Laurence W. Bierman | 1989-03-28 |
| 4461746 | Reduction of iron in a reductive stripping process for the recovery of uranium from wet process phosphoric acid | Laurence W. Bierman | 1984-07-24 |