Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476162 | Method for preventing easily polymerizing substance from polymerization and method for production of (meth) acrylic acid or ester thereof | Takeshi Nishimura, Kazuhiko Sakamoto, Masakatsu Mori | 2002-11-05 |
| 6441228 | Apparatus and process for producing (meth)acrylic acid | Sei Nakahara, Kazuhiko Sakamoto, Yukihiro Matsumoto, Masatoshi Ueoka | 2002-08-27 |