Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592901 | Method of removing suspended solids from phosphoric acid | Hudson C. Smith, Wesley W. Atwood, Samuel F. Sweat | 1986-06-03 |
| 4235854 | Method for purifying wet process phosphoric acid | Hudson C. Smith, Wesley W. Atwood | 1980-11-25 |