Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5382608 | Binder mixtures containing reactive group containing lignin and novolaks | Arno Gardzielia, Achim Hansen, Stephan Schröter, Willi Roll | 1995-01-17 |
| 5373070 | Binder mixtures containing lignin and phenol novolaks | Arno Gardziella, Achim Hansen, Stephan Schröter, Willi Roll | 1994-12-13 |