Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545112 | Process for producing &bgr;-butyrolactone homopolymer or copolymer | Yoshiharu Gonda, Toshimitsu Hagiwara | 2003-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545112 | Process for producing &bgr;-butyrolactone homopolymer or copolymer | Yoshiharu Gonda, Toshimitsu Hagiwara | 2003-04-08 |