Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634790 | Process for producing .alpha.-L-aspartyl-L-phenylalanine methyl ester or its hydrohalide | Katsumi Sugiyama, Masanao Ozaki, Keizo Matsuda | 1987-01-06 |
| 4618695 | Method of preparing methyl ester and its hydrochloride | Yoichi Ozawa, Shinichi Kishimoto, Tadashi Takemoto, Chikahiko Eguchi | 1986-10-21 |
| 4606854 | Method of preparing .alpha.-L-aspartyl-L-phenylalanine methyl ester and its hydrochloride | Yoichi Ozawa, Shinichi Kishimoto, Tadashi Takemoto, Chikahiko Eguchi | 1986-08-19 |