Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889943 | Method for stabilizing aqueous phosphoenolpyruvic acid solution | Hirotaka Kawamura, Shinichiro Utiumi | 1989-12-26 |
| 4874882 | Process for preparing monosodium phosphoenolpyruvate | Naotaka Hamasaki, Hirotaka Kawamura, Ichiro Nakakoshi, Kikuo Ataka, Kiyosi Oomori +1 more | 1989-10-17 |