Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824994 | Method for production of N-protected-alpha-L-aspartyl-L-phenylalanine methyl ester | Satoji Takahashi | 1989-04-25 |
| 4822907 | Method for recovering .alpha.-L-aspartyl-L-phenylalanine methyl ester | Takashi Yamashita, Toshihide Yukawa | 1989-04-18 |