Inventor
ZHENG YUNFENG
CN8 patents
⚠️ This page may combine multiple inventors who share the name “ZHENG YUNFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GAO XIONGHOU
4 patentsUS9889439B2Feb 13, 2018
High light received heavy oil catalytic cracking catalyst and preparation method therefor
GAO XIONGHOU2 citations69
US9840422B2Dec 12, 2017
Magnesium modified ultra-stable rare earth Y-type molecular sieve and preparation method therefor
GAO XIONGHOU4 citations69
US9968915B2May 15, 2018
Phosphorus-containing ultrastable Y-type rare earth molecular sieve and preparation method therefor
GAO XIONGHOU0 citations36
US9968918B2May 15, 2018
Catalytic cracking catalyst for high-efficiency conversion of heavy oil and preparation method thereof
GAO XIONGHOU0 citations35
PETROCHINA CO LTD
2 patentsUS11084024B2Aug 10, 2021
Method for modifying molecular sieve and a catalytic cracking catalyst containing the molecular sieve
PETROCHINA CO LTD0 citations57
US11111152B2Sep 7, 2021
Preparation method for modified molecular sieve and modified molecular sieve-containing catalytic cracking catalyst
PETROCHINA CO LTD0 citations46