Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5072068 | Method for retrieving styrene monomer from discarded polystyrene scrap through pyrolytic reduction | Fen Yie, Weiguo Tan | 1991-12-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5072068 | Method for retrieving styrene monomer from discarded polystyrene scrap through pyrolytic reduction | Fen Yie, Weiguo Tan | 1991-12-10 |