Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5220079 | Process for para-methylolating phenol compounds | Hiroshi Iwane, Takahiro Sugawara, Naoki Suzuki | 1993-06-15 |
| 5196598 | Process for producing polyhydroperoxy aromatic compound | Hiroshi Iwane, Takahiro Sugawara, Naoki Suzuki | 1993-03-23 |
| 5091592 | Process for preparing 4,4'-dihydroxybiphenyl | Hiroshi Iwane, Takahiro Sugawara | 1992-02-25 |