Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861874 | Method of lowering the carbamate content of cellulose carbamate products using a base/alkali metal salt mixture | Vidar Eklund, Jan Fors, Leo Mandell, Johan-Fredrik Selin, Olli Turunen | 1989-08-29 |