Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751282 | Star block polyol lactam copolymer and process for the production thereof | Jiro Horikawa, Masahiro Niwano, Takenobu Kanazawa | 1988-06-14 |
| 4650608 | Star block copolymer from lactam and polyol and process for the production thereof | Jiro Horikawa, Masahiro Niwano, Takenobu Kanazawa | 1987-03-17 |