Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977288 | Production process for vinyl chloride polymer | Yoshinori Nakahara, Masatsugu Takano, Yasuhiro Takahashi | 2005-12-20 |
| 6965002 | Process for producing vinyl chloride-based polymer | Masahiro Usuki | 2005-11-15 |
| 6906129 | Polymer scale preventive agent | Mikio Watanabe | 2005-06-14 |
| 6906149 | Polymer scale deposition preventive agent | Mikio Watanabe | 2005-06-14 |
| 6861488 | Process for producing a vinyl chloride-based polymer | Makoto Ooura | 2005-03-01 |