Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373070 | Binder mixtures containing lignin and phenol novolaks | Arno Gardziella, Ken Kurple, Achim Hansen, Willi Roll | 1994-12-13 |
| 5345001 | Aqueous resol solutions and preparation thereof | Achim Hansen, Arno Gardziella, Peter Adolphs | 1994-09-06 |
| 5300593 | Lignin modified binding agents | Arno Gardziella, Achim Hansen, Josef Suren | 1994-04-05 |