Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461575 | Apparatus for crystallization of polytrimethylene terephthalate | Ben Duh, Ye-Mon Chen | 2002-10-08 |
| 6441129 | High temperature solid state polymerization of poly (trimethylene terephthalate) | Ben Duh | 2002-08-27 |