Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5458740 | Process for the purification of crude caprolactam | Donald R. Johnson, Hugo Fuchs, Gerald Neubauer, Josef Ritz | 1995-10-17 |
| 5290741 | Methods of preserving, storing, and using hydroxylamine production catalyst | — | 1994-03-01 |
| 5290742 | Methods of preserving, storing, and using certain carbon supported platinum catalysts | — | 1994-03-01 |