Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681979 | Process for the producing of alkylcyclopentanone derivatives | Satoru Kumazawa | 1997-10-28 |
| 5646291 | Process for the manufacture of 2-phenyl-4,5-oxazoledione 4-phenylhydrazone derivatives | Kazuhiko Sunagawa, Takeo Watanabe | 1997-07-08 |