Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448370 | Treatment of polyamide with gas phase of acid, anhydride or amine | Otto M. Ilg, Harry Hu | 2002-09-10 |
| 6268468 | Treatment of polyamide with gas phase of acid anhydride or amine | Otto M. Ilg, Harry Hu | 2001-07-31 |