Inventor
HSIEH JOHN T T
US9 patents
⚠️ This page may combine multiple inventors who share the name “HSIEH JOHN T T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOBIL OIL CORP
6 patentsUS5284613AFeb 8, 1994
Producing blown film and blends from bimodal high density high molecular weight film resin using magnesium oxide-supported Ziegler catalyst
MOBIL OIL CORP86 citations93
US6037296AMar 14, 2000
Comonomer pretreated bimetallic catalyst for blow molding and film applications
MOBIL OIL CORP25 citations92
US5006506AApr 9, 1991
Modified chromium-containing catalyst composition for polymerizing olefins and method of preparing the catalyst composition
MOBIL OIL CORP23 citations90
US5096868AMar 17, 1992
Catalyst composition for polymerizing alpha-olefins and alpha-olefins polymerization therewith
MOBIL OIL CORP32 citations86
US5330950AJul 19, 1994
Mixed Ziegler and chromium catalyst and process for preparing a broad molecular weight distribution HDPE
MOBIL OIL CORP18 citations72
US4863886ASep 5, 1989
Magnesium oxide-supported ziegler catalyst modified with acid and higher alkanol, and process for preparing narrow MWD HDPE
MOBIL OIL CORP3 citations61