Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355190 | Process for recovery of resorcinol from aqueous resorcinol solution containing hydroquinone | Fujihisa Matsunaga, Hiroaki Nakagawa | 1982-10-19 |
| 4334108 | Process and apparatus for preparation of phenols | Katsuhiko Hashimoto, Kazuhiro Watari, Kenichi Mizuno, Tadateru Murakami, Yutaka Matsuoka +2 more | 1982-06-08 |
| 4323505 | Polyalkylhydroxychromene and process for preparing the same | Isao Hashimoto | 1982-04-06 |
| 4322567 | Process for production of aromatic alcohols | Fujihisa Matsunaga, Norio Ohno | 1982-03-30 |