Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637764 | Process for the preparation of brominated or chlorinated aromatic carboxylic acids | Georg Grotsch | 1997-06-10 |
FR
Freimund Rohrscheid
Overall (1997): #151,898 of 185,788Top 85%
1
Patents 1997