Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922873 | Process for preparing N-tert-butyl-2-pyrazinecarboxamide and N-tert-butyl-2-piperazinecarboxamide | Nanao Watanabe, Hideki Kuranishi | 1999-07-13 |
| 5734055 | Process for preparing N-tert-butyl-2-pyrazinecarboxamide and N-tert-butyl-2-piperazinecarboxamide | Nanao Watanabe, Hideki Kuranishi, Takashi Kurahashi | 1998-03-31 |