Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643494 | Process for the preparation of aromatic hydroxy carboxylic acids | Siegbert Rittner, Hans-Martin Ruffer, Jorg Schmid | 1997-07-01 |
TW
Thomas Wisser
Overall (1997): #67,349 of 185,788Top 40%
1
Patents 1997