Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362448 | Continous polymerization method of laurolactam and apparatus therefor | Toshiro Shimada, Tatsuo Tsumiyama, Hisaya Yamaguchi | 1994-11-08 |
| 5283315 | Continuous hydrolytic polymerization of laurolactam | Toshiro Shimada, Tatsuo Tsumiyama, Hisaya Yamaguchi | 1994-02-01 |