Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861847 | Catalyst system for use in olefinic polymerization | Bingquan Mao, Ying Zheng, Juxiou Yang, Zhulan Li | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861847 | Catalyst system for use in olefinic polymerization | Bingquan Mao, Ying Zheng, Juxiou Yang, Zhulan Li | 1989-08-29 |