Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657044 | Process for making polytrimethylene terephthalate | Donald R. Kelsey, Wen-Tzung Tang | 2003-12-02 |
| 6610819 | Reduction of friability of poly(trimethylene terephthalate) | Ben Duh, Robert Lawrence Blackbourn, Cecilia Zuqi Tse | 2003-08-26 |