Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266601 | Process for preparing polybutylene terephthalate from pet scrap | Wolfgang Schmidt, Uwe Schollar | 1993-11-30 |
| 5198530 | Process for continuous polycondensation of terephthalic acid and 1,4-bis(hydroxymethyl)cyclohexane | Wolfgang Schmidt, Ulrich Thiele | 1993-03-30 |