Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808689 | Reactor for catalytic gas phase oxidation | Masakatsu Mori, Masatsuga Kitaura, Osamu Dodo, Michio Tanimoto | 2004-10-26 |
| 6787001 | Method for distilling (meth) acrylic acid solution | Kazuhiko Sakamoto, Sei Nakahara, Kenji Sanada, Masatoshi Ueoka | 2004-09-07 |
| 6755943 | Perforated tray without downcomer, perforated tray tower without downcomer | Noriaki Mizutani, Takeshi Nishimura | 2004-06-29 |
| 6743432 | Interface for iontophoresis | Shigeo Yanai, Katsumi Iga, Naruhito Higo | 2004-06-01 |
| 6736200 | Heat-exchanging method for easily polymerizable compound | Kazuto OKAZAKI, Sei Nakahara, Hiroo Iwato | 2004-05-18 |
| 6713648 | Method for absorbing acrylic acid and method for purifying acrylic acid | Harunori Hirao, Yoshitake Ishii, Takeshi Nishimura | 2004-03-30 |
| 6676808 | Method for starting up distilling column | Kei Hamamoto, Sei Nakahara, Misao Inada | 2004-01-13 |
| 6677482 | Method of manufacturing (meth) acrylic acid | Takeshi Nishimura | 2004-01-13 |