Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650456 | Coumarin derivatives, a method of preparing them and their use as intermediates | Chen-Chih Yun, Burkhard Kohler | 1997-07-22 |
| 5618889 | Poly(arylether)/liquid crystalline polyester block copolymers and a process for their production | Robert J. Kumpf, Douglas A. Wicks, Dittmar Nerger, Harald Pielartzik | 1997-04-08 |