Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5589517 | Modified ion exchange resins and use thereof | Michi Watanabe, Naoko Sumitani, Miwa Shirasaki, Toshitaka Suzuki | 1996-12-31 |
| 5442103 | Process for producing 2,6-naphthalenedicarboxylic acid | Hiroshi Iwane, Katsufumi Kujira, Naoki Suzuki, Tomoya Sakata | 1995-08-15 |
| 5344969 | Process for purification of naphthalenedicarboxylic acid | Hiroshi Iwane, Miwa Shirasaki | 1994-09-06 |
| 5220079 | Process for para-methylolating phenol compounds | Hiroshi Iwane, Naoki Suzuki, Kimiko Kaneko | 1993-06-15 |
| 5196598 | Process for producing polyhydroperoxy aromatic compound | Hiroshi Iwane, Naoki Suzuki, Kimiko Kaneko | 1993-03-23 |
| 5175352 | Process for preparing 2,6-naphthalenedicarboxylic acid | Hiroshi Iwane | 1992-12-29 |
| 5091592 | Process for preparing 4,4'-dihydroxybiphenyl | Hiroshi Iwane, Kimiko Kaneko | 1992-02-25 |
| 5019656 | Process for preparing p-hydroxybenzyl alcohol | Hiroshi Iwane, Naoki Suzuki | 1991-05-28 |
| 4937392 | Process for preparing 4,4'-dihydroxydiphenylmethane | Makoto Imanari, Hiroshi Iwane, Satoshi Ohtaka, Naoki Suzuki | 1990-06-26 |
| 4906791 | Process for preparing p-cumylphenol | Makoto Imanari, Hiroshi Iwane, Satoshi Ohtaka, Masashi Inaba, Mitsugi Kataoka | 1990-03-06 |
| 4568778 | Process for producing tert-amylphenols | Makoto Imanari, Hiroshi Iwane, Tadashi Ayusawa, Tadamichi Aoki | 1986-02-04 |
| 4564713 | Process for producing 4,4'-dihydroxydiphenyls | Makoto Imanari, Hiroshi Iwane | 1986-01-14 |