Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663408 | Process for preparing diaryl carbonates | Hans-Josef Buysch, Carsten Hesse | 1997-09-02 |
| 5625091 | Process for the production of diaryl carbonates | Hans-Josef Buysch, Carsten Hesse | 1997-04-29 |