Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035772 | Method for treating bleached lignin containing cellulose pulp by reducing .alpha.-carbonyl and .gamma.-carbonyl groups and converting short-wave quanta to long-wave light quanta | Roland Agnemo | 1991-07-30 |