Issued Patents 2003
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667419 | Method for absorption of acrylic compound and apparatus therefor | Yukihiro Matsumoto, Takeshi Nishimura, Misao Inada | 2003-12-23 |
| 6664418 | Method for inhibiting polymerization of a vinyl compound | Kazuo Ohkouchi, Masahiro Uemura, Sei Nakahara, Masatoshi Ueoka | 2003-12-16 |
| 6649028 | Column treating process and apparatus thereof | Sei Nakahara, Masatoshi Ueoka, Naoto Kasaya | 2003-11-18 |
| 6632329 | Distillation apparatus and distilling method | Noriaki Mizutani, Yukihiro Matsumoto, Kenji Sanada | 2003-10-14 |
| 6599397 | Method for preventing polymerization of (meth)acrylic acid and esters thereof and method for the production thereof | Tomohiro Nakae, Kazuo Okochi, Masahiro Uemura, Sei Nakahara | 2003-07-29 |
| 6581637 | Tank and a method for storing an easily polymerizable compound | Kei Hamamoto, Takeshi Nishimura, Osamu Dodo | 2003-06-24 |
| 6568415 | Storing device for easily polymerizable and coagulating liquid substance and method for pressure control thereof | Kenji Nakahara, Takeshi Nishimura, Hiroo Iwato, Masakatsu Mori | 2003-05-27 |
| 6540881 | Method for refining (meth)acrylic acid | Kouji Ueno, Sei Nakahara, Masatoshi Ueoka | 2003-04-01 |