Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820861 | Process for the production of N-formyl-alpha-L-aspartyl-L-phenylalanine methyl ester | Toshihide Yukawa, Haruo Kawasaki, Masao Nakamura, Takashi Yamashita | 1989-04-11 |
| 4810816 | Process for the production of n-formyl-aspartyl-phenylalanine or its methyl ester | Shinichi Kishimoto | 1989-03-07 |