Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4476064 | Phosphorus acid catalyst for preparation of 3,9-dichloro-2,4,8,10-tetraoxa-3,9-diphospha spiro (5,5) undecane | Roger P. Napier | 1984-10-09 | $5,821,000 |
| 4457899 | Process for removal of residual organic matter from purified phosphoric acid | Richard Grotyohann, Robin Schlinger | 1984-07-03 | $5,391,000 |
| 4288392 | Process for the preparation of dialkyl phosphoric acids | James M. Horn, Roger P. Napier, Thomas N. Williams, Jr. | 1981-09-08 | $20,964,000 |