Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6156155 | Method for the delignification of lignocellulosic material by adding a dialkyl substituted octahydroanthraquinone | — | 2000-12-05 |
| 5049236 | Lignin derived quinonic compound mixtures useful for the delignification of cellulosic materials | John C. Wozniak | 1991-09-17 |
| 5002634 | Method for the delignification of wood pulp utilizing fused ring quinone compounds prepared from lignin or lignin derived substances | John C. Wozniak | 1991-03-26 |