Inventor

DING ERRUN

US49 patents

⚠️ This page may combine multiple inventors who share the name “DING ERRUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DING ERRUN

CHEVRON PHILLIPS CHEMICAL CO LP

Ziegler-natta—metallocene dual catalyst systems with activator-supports

Dual catalyst system for producing LLDPE copolymers with improved processability

Heterogeneous Ziegler-Natta catalysts with fluorided silica-coated alumina

Dual catalyst system for producing LLDPE and MDPE copolymers with long chain branching for film applications

Dual catalyst system for producing high density polyethylenes with long chain branching

Metallocene catalyst system for producing LLDPE copolymers with tear resistance and low haze

Ziegler-natta—metallocene dual catalyst systems with activator-supports

Heterogeneous Ziegler-Natta catalysts with fluorided silica-coated alumina

Ziegler-Natta—metallocene dual catalyst systems with activator-supports

Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom

Metallocene catalysts for polyethylene

Bimodal PE resins with improved melt strength

Methods for increasing polymer production rates with halogenated hydrocarbon compounds

Dual catalyst system for producing LLDPE and MDPE copolymers with long chain branching for film applications

Higher density polyolefins with improved stress crack resistance

Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom

Dual catalyst system for producing LLDPE and MDPE copolymers with long chain branching for film applications

Dual catalyst system for producing high density polyethylenes with long chain branching

Ziegler-Natta—metallocene dual catalyst systems with activator-supports

Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom

Bimodal PE resins with improved melt strength

Metallocene catalyst system for producing LLDPE copolymers with tear resistance and low haze

Dual catalyst system for producing LLDPE copolymers with improved processability

Ziegler-natta—metallocene dual catalyst systems with activator-supports

Methods for increasing polymer production rates with halogenated hydrocarbon compounds

CHEVRON PHILLIPS CHEMICAL CO

Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom

Low density polyolefin resins and films made therefrom

Higher density polyolefins with improved stress crack resistance

Low density polyolefin resins and films made therefrom

Methods for controlling dual catalyst olefin polymerizations with an organozinc compound

Higher density polyolefins with improved stress crack resistance

Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates

Metallocene and half sandwich dual catalyst systems for producing broad molecular weight distribution polymers

Metallocene and half sandwich dual catalyst systems for producing broad molecular weight distribution polymers

Use of hydrogen and an organozinc compound for polymerization and polymer property control

Half-metallocene compounds and catalyst compositions

Half-metallocene compounds and catalyst compositions

Catalyst systems and polymer resins having improved barrier properties

Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates

Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates

Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor

DING ERRUN

Catalyst systems and polymer resins having improved barrier properties

Half-metallocene compounds and catalyst compositions

Use of hydrogen and an organozinc compound for polymerization and polymer property control

MURRAY REX E

Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor

Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor

MASINO ALBERT P

Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates

YANG QING

Catalyst systems and methods of making and using same

ST JEAN GUYLAINE

Catalyst systems and polymer resins having improved barrier properties