Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9096516 | Production method of N-vinyl-2-pyrrolidone | Hideto Sugiura, Toru Inaoka, Shigeyuki Nozaki | 2015-08-04 |
| 6924378 | Method for production of aziridines and N-vinylamides | Kenichi Takematsu | 2005-08-02 |
| 6566534 | Processes for the preparation of aziridine compounds and vapor-phase reaction processes | Kenichi Takematsu | 2003-05-20 |
| 6550485 | Washing method for distillation system of nitrogen-containing polymerizable monomers | Kenichi Takematsu | 2003-04-22 |
| 6514908 | Method for exchange of catalysts | Yukihiko Kakimoto, Kenji Muraoka | 2003-02-04 |
| 6437199 | Method for production of high-purity monoethylene glycol | Yutaka Sugiyama, Kenji Suzuki, Hironori Horie, Makoto Furukawa | 2002-08-20 |
| 6417411 | Method for production of ethylene glycol | Yukihiko Kakimoto | 2002-07-09 |
| 6300507 | Process of manufacturing ethylene oxide | Kenichi Takematsu | 2001-10-09 |