Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648558 | Method for producing a polyoxyalkylene glycol and novel metallo-aluminosilicate | Akio Nakanishi, Yoshio Kabata, Masayuki Shirado, Hiroshi Takeo, Mitsuharu Kobayashi | 1997-07-15 |
| 5591870 | Process for producing a vanadium-phosphorus oxide catalyst precursor | Masayoshi Murayama, Kenji Shima, Masumi Ito | 1997-01-07 |