Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346927 | Blowing agents of the tetrazoles and their derivatives | Atsuhiro Onishi, Koichi Matsunami, Masanao Ebara | 1994-09-13 |
| 5331017 | Blowing agents of the tetrazoles and their derivatives | Atsuhiro Onishi, Koichi Matsunami, Masanao Ebara | 1994-07-19 |
| 5315037 | Process for purification of acrylic acid | Kazuhiko Sakamoto, Masatoshi Ueoka, Yoji Akazawa, Masao Baba | 1994-05-24 |