Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668204 | Stabilization of polycarbonates having high heat distortion temperatures | Helmut-Martin Meier, Uwe Westeppe, Dieter Freitag, Dieter Constant | 1997-09-16 |
| 5633339 | Use of tertiary aliphatic monocarboxylic acids as chain terminators for the preparation of polycarbonates and of polyester carbonates | Burkhard K ohler, Wolfgang Ebert, Klaus Horn, Walter Sch afer, J urgen Kirsch | 1997-05-27 |