Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623047 | Catalytic compositions for the preparation of poly(ethylene terephthalate) with improved color | Wu-Bin Yuo, Yu-Shan Chao | 1997-04-22 |
| 5608032 | Catalytic compositions for the proparation of poly(ethylene terephthalate) with attenuated yellow color | Wu-Bin Yuo, Yu-Shan Chao | 1997-03-04 |