Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4187370 | Polymerization and recovery of 2-pyrrolidone with acid treatment | Kiyoshi Katsumoto, Ira M. Serkes | 1980-02-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4187370 | Polymerization and recovery of 2-pyrrolidone with acid treatment | Kiyoshi Katsumoto, Ira M. Serkes | 1980-02-05 |