Inventor
DAI LISHUN
CN13 patents
⚠️ This page may combine multiple inventors who share the name “DAI LISHUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHINA PETROLEUM & CHEM CORP
8 patentsUS9657236B2May 23, 2017
Process for hydrotreating heavy raw oils
CHINA PETROLEUM & CHEM CORP28 citations91
US11078434B2Aug 3, 2021
Process and system for upgrading low-quality oils
CHINA PETROLEUM & CHEM CORP0 citations54
US11365360B2Jun 21, 2022
Process for converting inferior feedstock oil
CHINA PETROLEUM & CHEM CORP0 citations51
US11427773B2Aug 30, 2022
Catalytic cracking process for producing isobutane and/or light aromatics in high yield
CHINA PETROLEUM & CHEM CORP0 citations50
US12467004B2Nov 11, 2025
Process and system for hydrotreating deoiled asphalt
CHINA PETROLEUM & CHEM CORP0 citations47
US12331256B2Jun 17, 2025
Process and system for processing aromatics-rich fraction oil
CHINA PETROLEUM & CHEM CORP0 citations47
US12226725B2Feb 18, 2025
Oil slurry filter, oil slurry filter unit and oil slurry filter system containing the same, and oil slurry filtering process
CHINA PETROLEUM & CHEM CORP0 citations46
US12054682B2Aug 6, 2024
Process and system for producing light olefins from inferior oils
CHINA PETROLEUM & CHEM CORP0 citations46