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 | Byron E. Anshus, Kiyoshi Katsumoto | 1980-02-05 |
IS
Ira M. Serkes
Overall (All Time): #4,105,789 of 4,157,543Top 100%
1
Patents All Time