Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433166 | Process for producing &egr;-caprolactam | Yasumoto Shimazu, Masami Fukao | 2002-08-13 |
| 5298667 | Process for producing phenol and methyl ethyl ketone | Kiyoshi Iwanaga, Mitsuhisa Tamura, Toshio Nakayama, Masahiro Usui, Hirooki Nagaoka | 1994-03-29 |