Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4721753 | Diene polymer composition containing copolymer derived from 2,3-dimethyl butadiene | Mitsuhiko Sakakibara, Tatsuo Fujimaki | 1988-01-26 |
| 4340685 | Process for preparing polybutadiene having a 1,2-configuration content of 5-40% and a cis-1,4-configuration content of 60% or more | Yasumasa Takeuchi, Yutaka Obata, Noboru Ohshima, Tooru Shibata | 1982-07-20 |