Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358186 | Method of preparing granules of dipeptide | Takehiko Kataoka, Harutoshi Ohura, Makoto Nishikawa | 1994-10-25 |
| 5304671 | Method for recovery of .alpha.-L-aspartyl-L-phenylalanine methyl ester, L-phenylalanine and L-aspartic acid | Sou Abe, Shinichi Kishimoto, Toshihisa Kato, Satoshi Kumon | 1994-04-19 |
| 5294714 | 2,5-dioxopiperazine compounds and method for preparing .alpha.-aspartyl-L-phenylalanine methyl ester derivatives | Ryoichiro Nakamura | 1994-03-15 |
| 5292923 | Method of preparing .alpha.-l-aspartyl-l-phenylalanine methyl ester hydrochloride | Toshihisa Kato, Shinichi Kishimoto, Hideo Takeda, Mikiya Kano | 1994-03-08 |