Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364466 | Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel | Minoru Shigemitsu | 1994-11-15 |
| 5357009 | Polymer scale preventive agent | Mikio Watanabe | 1994-10-18 |
| 5352748 | Polymer scale preventive agent, polymerization vessel wherein polymer scale is prevented from depositing, and process of producing polymer using the same | Mikio Watanabe | 1994-10-04 |
| 5302639 | Polymer scale preventive agent | Minoru Shigemitsu | 1994-04-12 |
| 5298220 | Method of preventing polymer scale formation | Ichiro Kaneko, Mikio Watanabe | 1994-03-29 |