YZ

Yunfeng Zheng

PL Petrochina Company Limited: 6 patents #20 of 890Top 3%
Overall (All Time): #824,891 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11111152 Preparation method for modified molecular sieve and modified molecular sieve-containing catalytic cracking catalyst Xionghou Gao, Shuhong Sun, Xiaoliang Huang, Aiguo Lin, Xiaoyan Li +9 more 2021-09-07
11084024 Method for modifying molecular sieve and a catalytic cracking catalyst containing the molecular sieve Shuhong Sun, Xiaoliang Huang, Haitao Zhang, Gengzhen Cao, Lin Wang +8 more 2021-08-10
9968915 Phosphorus-containing ultrastable Y-type rare earth molecular sieve and preparation method therefor Xionghou Gao, Haitao Zhang, Di Li, Xueli Li, Hongchang Duan +7 more 2018-05-15
9968918 Catalytic cracking catalyst for high-efficiency conversion of heavy oil and preparation method thereof Xionghou Gao, Haitao Zhang, Di Li, Zhengguo Tan, Hongchang Duan +6 more 2018-05-15
9889439 High light received heavy oil catalytic cracking catalyst and preparation method therefor Xionghou Gao, Haitao Zhang, Hongchang Duan, Di Li, Xueli Li +5 more 2018-02-13
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