Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643438 | Process for the preparation of substituted diamino-dicarboxylic acid derivatives | Johann Hiebl | 1997-07-01 |
| 5627198 | Heterocyclic amides | Peter Esch, Robertson Towart | 1997-05-06 |
| 5627302 | Asymmetrically substituted diaminodicarboxylic acid derivatives | Johann Hiebl | 1997-05-06 |