Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686538 | Process for brominating polystyrenic resins | Donald E. Balhoff, Billie B. Dadgar, Charles H. Kolich, Meng-Sheng Ao | 1997-11-11 |
| 5677390 | Process for brominating polystyrenic resins | Billie B. Dadgar, Donald E. Balhoff, Charles H. Kolich, Meng-Sheng Ao | 1997-10-14 |