Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657044 | Process for making polytrimethylene terephthalate | Kathleen Suzanne Kiibler, Wen-Tzung Tang | 2003-12-02 |
| 6576774 | Process for recycling polytrimethylene terephthalate cyclic dimer | Betty Marrou Scardino | 2003-06-10 |
| 6512080 | Process of producing polytrimethylene terephthalate (PTT) | Robert Lawrence Blackbourn, Robert Stephen Tomaskovic, Hans Reitz, Eckhard Seidel, Fritz Wilhelm | 2003-01-28 |
| 6509438 | Optimum dipropylene glycol content polytrimethylene terephthalate compositions | Betty Marrou Scardino, Kailash Dangayach, Houston Brown, Hans Reitz, Eckhard Seidel +1 more | 2003-01-21 |