Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8936743 | Method of making a polylactic acid based article | Li-Ling Chang, Roy Wu | 2015-01-20 |
| 8575270 | Copolyester composition and method for producing copolyester polymer | Chih-Ying Kuo, Chuan-Hao Hsu, Li-Ling Chang, Roy Wu | 2013-11-05 |