Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684174 | Method for purifying O, S-dimethyl N-acetylphosphoramidothioate | Yoji Sakito, Mamoru Shirahata, Kazuya Minamisaka, Atukazu Iwata | 1997-11-04 |
| 5629442 | Process for producing .alpha.-hydroxyiminophenylacetonitriles | Akira Takase, Hiroyuki Kai, Moriyasu Masui, Katuhisa Masumoto, Akihiko Nakamura +1 more | 1997-05-13 |
| 5616769 | Method for purifying O,S-dimethyl N-acetylphosphoramidothioate | Yoji Sakito, Mamoru Shirahata, Kazuya Minamisaka, Atukazu Iwata | 1997-04-01 |