Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677403 | Process of producing vinyl chloride polymer with mercapto terminated polyvinylalcohol | Tadashi Amano | 1997-10-14 |
| 5502123 | Process for preparing vinyl chloride polymer | Toru Yokota, Tadashi Amano | 1996-03-26 |
| 5478900 | Process for preparing vinyl chloride polymer of quality | Tadashi Amano | 1995-12-26 |