Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4467115 | Method for preparing branched polyethylenimine | David S. Zhuk, Vera A. Keppen, Nikolai A. Sivov, Igor Golubkov, Valery E. Timofeev | 1984-08-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4467115 | Method for preparing branched polyethylenimine | David S. Zhuk, Vera A. Keppen, Nikolai A. Sivov, Igor Golubkov, Valery E. Timofeev | 1984-08-21 |