Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977288 | Production process for vinyl chloride polymer | Masatsugu Takano, Yasuhiro Takahashi, Tadashi Amano | 2005-12-20 |
| 6448372 | Process for producing vinyl chloride polymer with low residual monomer | Takashi Kobayashi, Ryuichi Saito, Tadashi Amano, Ichiro Hara | 2002-09-10 |
| 6384241 | Purified salt of &bgr;-hydroxyethoxy acetic acid, purified 2-p-dioxanone, and manufacturing method therefor | Satoru Nakatani, Takuji Matsumoto, Hideyuki Akieda, Takeshi Ishitoku | 2002-05-07 |
| 5892118 | Process for producing 4,6-diaminoresorcinols | Junji Kawachi, Hironori Matsubara, Yutaka Watanabe | 1999-04-06 |