Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374765 | Method for extracting an amino acid ester from a hydrous solution of a mineral acid salt thereof | Tomoko Kamashita, Hiroyuki Yamashita, Masanobu Ajioka | 1994-12-20 |
| 5302749 | Stabilizing method of isocyanate compounds and isocyanate compositions stabilized thereby | Hiroyuki Yamashita, Masahiko Kusumoto, Koju Okazaki | 1994-04-12 |
| 5296635 | Preparation of bis(3-nitrophenoxy) compound | Motohiro Kase, Hitoshi Nakayama, Masaru Wada, Akihiro Yamaguchi | 1994-03-22 |
| 5283365 | Process for preparing high-purity aniline | Katsuji Watanabe, Yoshitsugu Kono, Akihiro Tamaki, Takashi Kobayashi | 1994-02-01 |