Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5220098 | Process for separating 2, 7-dimethylnaphthalene under pressure | Kazumoto Nakamura, Yutaka Mito, Masami Takao, Hitoshi Hatakeyama | 1993-06-15 |
| 4992619 | Process for separating methyl substituted naphthalene by crystallization under pressure | Shunichi Koide, Hiroshi Takeshita, Harumasa Tanabe, Masami Takao, Hitoshi Hatakeyama | 1991-02-12 |