Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334774 | Process for purifying phenol | Kayoko Kogure, Kazuo Kimura, Masaaki Toma, Eiji IMAMURA | 1994-08-02 |
| 5276193 | Process for preparing N-alkyl-substituted aminophenols | Hiroshi Maki, Hiroshi Shimizu, Yoshiaki Ito | 1994-01-04 |