Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139683 | Wood pulping with acetic acid with the addition of formic acid | Martin Schone | 2000-10-31 |
| 5074960 | Lignin removal method using ozone and acetic acid | Alex Berg | 1991-12-24 |