Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380690 | Cracking catalyst for the production of light olefins | Shi Zhicheng, Shi Wenyuan, Ye Yifang, Ge Xingpin, Cao Ping +7 more | 1995-01-10 |
| 5358918 | Hydrocarbon conversion catalyst for producing high quality gasoline and C.sub.3 and C.sub.4 olefins | Lu Yukang, Huo Yongqing, Wang Yousheng, Wang Zeyu, Zhang Shuqin +2 more | 1994-10-25 |