Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087754 | Process for the preparation of N,N-dialkylaniline | Hans-Josef Buysch, Heinrich Pelster, Lothar Puppe | 1992-02-11 |
| 5055617 | Process for the preparation of N-alkylated anilines | Hans-Josef Buysch, Lothar Puppe, Christian Froehlich | 1991-10-08 |
| 5030770 | Process for the preparation of thymol | Hans-Josef Buysch, Lothar Puppe | 1991-07-09 |