Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854934 | Substituted ureas for ennobling cellulose fibres | Antonio Gelabert, Alain Blanc | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854934 | Substituted ureas for ennobling cellulose fibres | Antonio Gelabert, Alain Blanc | 1989-08-08 |