Inventor
KATAYAMA HIROAKI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
11 patentsUS6242622B1Jun 5, 2001
Transition metal compound, olefin polymerization catalyst component, olefin polymerization catalyst and process for producing olefin polymer
SUMITOMO CHEMICAL CO22 citations92
US6100213AAug 8, 2000
Aluminum compound-containing solid catalyst component, catalyst for olefin polymerization and method for producing olefin polymer
SUMITOMO CHEMICAL CO17 citations92
US6284699B1Sep 4, 2001
Modified particles, catalyst for olefin polymerization containing the same, and method for producing olefin polymer
SUMITOMO CHEMICAL CO16 citations81
US6184319B1Feb 6, 2001
Olefin polymer, films or sheets made therefrom, and process for the production of olefin polymer
SUMITOMO CHEMICAL CO14 citations74
US6660816B2Dec 9, 2003
Process for preparing olefin polymers
SUMITOMO CHEMICAL CO7 citations73
US6333388B1Dec 25, 2001
Aluminum compound-containing solid catalyst component, catalyst for olefin polymerization and method for producing olefin polymer
SUMITOMO CHEMICAL CO10 citations73
US6066704AMay 23, 2000
Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymers
SUMITOMO CHEMICAL CO13 citations73
US6482765B1Nov 19, 2002
Modified particles, carrier prepared therefrom, olefin polymerization catalyst component prepared therefrom, olefin polymerization catalyst prepared therefrom, and process for preparing olefin polymer
SUMITOMO CHEMICAL CO8 citations71
US6034190AMar 7, 2000
Olefin polymerization catalyst component
SUMITOMO CHEMICAL CO6 citations71
US5840646ANov 24, 1998
Olefin polymerization catalyst component
SUMITOMO CHEMICAL CO12 citations71
US6492294B2Dec 10, 2002
Transition metal compound, olefin polymerization catalyst component, olefin polymerization catalyst and process for producing olefin polymer
SUMITOMO CHEMICAL CO1 citations51