Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6465559 | Sizing composition | Biau-Hung Chang, Pavel Ilmenev | 2002-10-15 |
| 6339125 | Cationic polyurethane dispersion and composition containing same | Biau-Hung Chang, Pavel Ilmenev | 2002-01-15 |