Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616657 | Process for the preparation of high molecular lactic copolymer polyester | Shoji Imamura | 1997-04-01 |
| 5605981 | Process for the preparation of high molecular lactic copolymer polyester | Shoji Imamura | 1997-02-25 |