Inventor · Beijing, CN

Yahua Shi

12Patents
6h-index
37Co-inventors
62Inventor score

Filing activity: Jun 30, 1997 → Dec 3, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US8529753B2 Combined process for hydrotreating and catalytic cracking of residue Chemistry; Metallurgy 31 Active
US5954944A Process for hydrocracking heavy distillate oil under middle pressure Chemistry; Metallurgy 14 Expired
US6156190A Conversion process of hydrocarbon oils Chemistry; Metallurgy 11 Expired
US6037306A Catalyst containing molybdenum and/or tungsten for hydrotreating light oil distillates and preparation method thereof Chemistry; Metallurgy 7 Expired
US6518219B1 Catalyst for hydrorefining fraction oils, its carrier and preparation Performing Operations; Transporting 7 Expired
US7745372B2 Catalyst for selective hydrogenation of olefins and its preparation as well as use Chemistry; Metallurgy 6 Active
US5972832A Distillate hydrocracking catalyst and process for the preparation of the same Performing Operations; Transporting 6 Expired
US5914290A Distillate hydrofining catalyst and a process for the preparation of the same Performing Operations; Transporting 4 Expired
US8697598B2 Hydrogenation catalyst and use thereof Chemistry; Metallurgy 4 Active
US7341657B2 Process for reducing sulfur and olefin contents in gasoline Chemistry; Metallurgy 4 Expired
US8334231B2 Hydrocracking catalyst, the preparation process and use of the same Chemistry; Metallurgy 2 Active
US8883669B2 Hydrocracking catalyst, a process for producing the same, and the use of the same Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.