Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470433 | Process for the delignification of cellulose fiber raw materials using alcohol and alkali | Gerhard Dahlmann, Heinrich Leopold | 1995-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470433 | Process for the delignification of cellulose fiber raw materials using alcohol and alkali | Gerhard Dahlmann, Heinrich Leopold | 1995-11-28 |