Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364940 | Microbiological process for hydroxylation of nitrogen-heterocyclic-carboxylic acids | Andreas Kiener, Andreas Tschech, Klaus Heinzmann | 1994-11-15 |
| 5306630 | Microbiological process for hydroxylation of nitrogen-heterocyclic-carboxylic acids | Andreas Kiener, Andreas Tschech, Klaus Heinzmann | 1994-04-26 |