Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803473 | Method for producing maleic acid anhydride | Jens Weiguny, Sebastian Storck, Andreas Tenten | 2004-10-12 |
WR
Wilhelm Ruppel
Overall (2004): #87,678 of 270,089Top 35%
1
Patents 2004