Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300656 | Coumarin derivatives, process for their preparation, their use and thiazolyl acetic acid derivatives as intermediates | Gunther Beck, Florin Seng, Antonius Lobberding | 1994-04-05 |
| 5298583 | Polymer dyestuffs and preparation and use thereof | Ludger Heiliger, Hans-Ulrich Siegmund, Herbert Hugl, Antonius Lobberding, Bruno Bomer +2 more | 1994-03-29 |