Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851522 | Process for the preparation of solutions of a ligno-cellulosic material and solutions obtained | Henri Chanzy, Michel Paillet | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851522 | Process for the preparation of solutions of a ligno-cellulosic material and solutions obtained | Henri Chanzy, Michel Paillet | 1989-07-25 |