Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7846409 | Deagglomerated barium sulfate | Ferdinand Hardinghaus, Karl Hoehler, Won Jai Park, Rainer Stahl, Andreas Poppe | 2010-12-07 |
| 7811668 | Epoxy resin with increased flexural impact strength and breaking extension | Rainer Stahl, Won Jai Park, Ferdinand Hardinghaus, Karl Koehler | 2010-10-12 |