Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5869694 | Process for preparing 4-hydroxy-2-pyrrolidone | Yoshiro Furukawa, Yutaka Shiomi | 1999-02-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5869694 | Process for preparing 4-hydroxy-2-pyrrolidone | Yoshiro Furukawa, Yutaka Shiomi | 1999-02-09 |