ZT

Zhengguo Tan

PL Petrochina Company Limited: 3 patents #1 of 74Top 2%
Overall (2017): #52,212 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9844772 Heavy oil catalytic cracking catalyst and preparation method therefor Xionghou Gao, Haitao Zhang, Di Li, Dong Ji, Hongchang Duan +1 more 2017-12-19
9840422 Magnesium modified ultra-stable rare earth Y-type molecular sieve and preparation method therefor Xionghou Gao, Haitao Zhang, Hongchang Duan, Chaowei Liu, Di Li +5 more 2017-12-12
9789475 Ultra-stable rare earth Y-type molecular sieve and preparation method therefor Xionghou Gao, Haitao Zhang, Di Li, Dong Ji, Hongchang Duan +1 more 2017-10-17