Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822438 | Catalyst system for enhanced stereo-specificity of olefin polymerization and method for producing olefin polymer | Gapgoung Kong, Lei Zhang, Chih-Jian Chen, Demin Xu, Guangxue Xu | 2020-11-03 |
| 10654947 | Cyclic organosilicon compounds as electron donors in Zeigler-Natta catalyst systems for producing propylene polymer having high melt-flowability | Lei Zhang | 2020-05-19 |