Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7164044 | Process for producing high purity trialkanolamine | Atsushi Tojo, Takahiro Takinami, Yutaka Sugiyama | 2007-01-16 |
| 6566556 | Method for production of alkanolamine and apparatus therefor | Hideaki Tsuneki, Koji Takeda | 2003-05-20 |
| 6559342 | Method of producing alkanolamines and apparatus for producing same | Hideaki Tsuneki, Masaru Kirishiki, Yoshitaka Arita, Yukihide Hashimoto, Tomoharu Oku +2 more | 2003-05-06 |
| 5741948 | Process for production of (poly) alkylene glycol monoalkyl ether | Masaru Kirishiki, Yukio Kadono, Isamu Maeda, Yasuhiko Satoh, Yoshiyuki Onda +1 more | 1998-04-21 |