Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679825 | Process for the production of aryl carbonates | Hans-Josef Buysch | 1997-10-21 |
| 5670029 | Process for the separation of a mixture of benzyl chloride, benzyl alcohol, dibenzyl ether and aqueous hydrochloric acid | Hans-Josef Buysch, Ursula Jansen, Erhard-Gunther Hoffmann, Bernd-Ulrich Schenke | 1997-09-23 |
| 5630662 | Capped electric lamp | — | 1997-05-20 |
| 5602271 | Process for the preparation of aryl carbonates | Hans-Josef Buysch, Norbert Sch on | 1997-02-11 |
| 5593944 | Aminoaryl-1,3-oxazine-2,4-diones | Hans-Joachim Santel, Markus Dollinger | 1997-01-14 |