Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360922 | Process for the preparation of dialkyl carbonates | Erich Wolters, Alexander Klausener, Lothar Puppe | 1994-11-01 |
| 5319124 | Process for the preparation of dialkyl carbonates | Erich Wolters, Alexander Klausener, Lothar Puppe | 1994-06-07 |
| 5304680 | Process for the preparation of aromatic amines which are substituted by C.sub.1 -C.sub.4 -alkoxy in the p-position | Alexander Klausener, Heinz U. Blank | 1994-04-19 |
| 5302742 | Process for the preparation of N-acylated p-amino-phenols | Alexander Klausener, Heinz U. Blank | 1994-04-12 |
| 5288894 | Process for the preparation of dialkyl carbonates | Erich Wolters, Alexander Klausener, Heinz U. Blank, Udo Birkenstock | 1994-02-22 |