Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686625 | Process for the preparation of N-substituted glycine acids or glycine esters and the use of the process for indigo synthesis | — | 1997-11-11 |
| 5686638 | Process for the preparation of mono- or dicarboxylic acids from aldehydes, from their full acetals or hemiacetals or from mixtures thereof | Manfred Schoftner, Johann Friedhuber | 1997-11-11 |