Issued Patents 2002
Showing 1–7 of 7 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, Kenji Sanada, Masakatsu Mori | 2002-11-05 |
| 6454541 | Method for transferring easily-polymerizable substance | Yuichi Ijiri, Takeshi Nishimura, Hiroo Iwato, Takashi Sera | 2002-09-24 |
| 6441228 | Apparatus and process for producing (meth)acrylic acid | Sei Nakahara, Yukihiro Matsumoto, Kenji Sanada, Masatoshi Ueoka | 2002-08-27 |
| 6414183 | Method for handling waste oil | Sei Nakahara, Masatoshi Ueoka | 2002-07-02 |
| 6407287 | Method for production of acrylic acid | Yukihiro Matsumoto, Takeshi Nishimura, Hidefumi Haramaki | 2002-06-18 |
| 6382313 | Heat exchanger for easily polymerizing substance-containing gas provided with gas distributing plate | Tetsuji Mitsumoto, Takeshi Nishimura, Hiroo Iwato | 2002-05-07 |
| 6340381 | Method and apparatus for the preparation of clean gases | Toshiaki Fujii, Tsukuru Suzuki, Hidetomo Suzuki | 2002-01-22 |