Inventor
CHAO YU-SHAN
TW9 patents
⚠️ This page may combine multiple inventors who share the name “CHAO YU-SHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IND TECH RES INST
8 patentsUS5519108AMay 21, 1996
Catalytic compositions containing tetrabutyl titanate and a mixture of cocatalysts for the preparation of poly(butylene terephthalate)
IND TECH RES INST74 citations93
US6207773B1Mar 27, 2001
Metallocene catalyst for preparing olefin polymer
IND TECH RES INST23 citations90
US5623047AApr 22, 1997
Catalytic compositions for the preparation of poly(ethylene terephthalate) with improved color
IND TECH RES INST22 citations90
US5608032AMar 4, 1997
Catalytic compositions for the proparation of poly(ethylene terephthalate) with attenuated yellow color
IND TECH RES INST23 citations90
US6313230B1Nov 6, 2001
Catalyst composition for hydrogenation of conjugated diene based synthetic rubbers
IND TECH RES INST50 citations87
US11565244B2Jan 31, 2023
Catalyst precursor
IND TECH RES INST0 citations59
US11400440B2Aug 2, 2022
Catalyst and precursor thereof and method of forming dialkyl carbonate
IND TECH RES INST0 citations59
US6780811B2Aug 24, 2004
Catalyst composition for living free radical polymerization and process for polymerizing (meth) acrylic, vinyl, vinylidene, and diene monomers using the catalyst composition
IND TECH RES INST0 citations45