Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5281729 | Drying and purification of benzanthrone | Klaus Borho, Zafirios Grammatis, Karl-Heinz Hennicke, Wolfgang Mach, Karl Mayer +3 more | 1994-01-25 |
EV
Ewald Vollmerhaus
Overall (All Time): #3,789,430 of 4,157,543Top 95%
1
Patents All Time