Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455257 | Cationic reaction product of kraft lignin with aldehyde and polyamine | Daniel J. Watts, Akio Takahashi | 1984-06-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455257 | Cationic reaction product of kraft lignin with aldehyde and polyamine | Daniel J. Watts, Akio Takahashi | 1984-06-19 |