Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576774 | Process for recycling polytrimethylene terephthalate cyclic dimer | Donald R. Kelsey | 2003-06-10 |
| 6509438 | Optimum dipropylene glycol content polytrimethylene terephthalate compositions | Donald R. Kelsey, Kailash Dangayach, Houston Brown, Hans Reitz, Eckhard Seidel +1 more | 2003-01-21 |