Inventor
SHI YAHUA
CN12 patents
⚠️ This page may combine multiple inventors who share the name “SHI YAHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHINA PETROCHEMICAL CORP
5 patentsUS6518219B1Feb 11, 2003
Catalyst for hydrorefining fraction oils, its carrier and preparation
CHINA PETROCHEMICAL CORP27 citations89
US6156190ADec 5, 2000
Conversion process of hydrocarbon oils
CHINA PETROCHEMICAL CORP31 citations89
US6037306AMar 14, 2000
Catalyst containing molybdenum and/or tungsten for hydrotreating light oil distillates and preparation method thereof
CHINA PETROCHEMICAL CORP22 citations89
US5954944ASep 21, 1999
Process for hydrocracking heavy distillate oil under middle pressure
CHINA PETROCHEMICAL CORP24 citations88
US5914290AJun 22, 1999
Distillate hydrofining catalyst and a process for the preparation of the same
CHINA PETROCHEMICAL CORP9 citations69