Inventor

WANG QINYAN

CA59 patents

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

WANG QINYAN

NOVA CHEM INT SA

High temperature solution polymerization process with phosphinimine cyclopentadienyl metal (GRP IV) complex

Polymerization catalyst having a phosphinimine ligand

Means for increasing the molecular weight and decreasing the density employing mixed homogeneous catalyst formulations

Bis-phosphinimine catalyst

Cyclopentadienyl/phosphinimine catalyst with one and only one activatable ligand

Aluminum-phosphinimine complexes as catalysts for the (co)polymerization of ethylene

Bis-phosphinimine catalyst

Group 8, 9 or 10 transition metal catalyst for olefin polymerization

Phosphinimine/heteroatom catalyst component

Polyethylene composition and film having a good permeability, stiffness and sealability

Polyethylene composition and film having outstanding properties

Polyethylene composition and film having high stiffness, outstanding sealability and high permeability

Ziegler-natta catalyst for high temperature polymerization

Group 8, 9 or 10 olefin copolymerization catalyst

Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations

Polyethylene composition and film

Process to prepare ethylene propylene elastomer

Polyethylene composition and film having retained dart impact

Group 8, 9 or 10 olefin copolymerization catalyst

Group 8, 9 or 10 transition metal catalyst for olefin polymerization

Polyethylene composition and film having outstanding properties

Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations

Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing mixed homogeneous catalyst formulations

Slurry polymerization process using an unsupported phosphinimine catalyst

Ethylene-cyclic mono olefin copolymerizations

Olefin polymerization using a catalyst having a bridged cyclopentadienyl-phosphole ligand

Ethylene styrene copolymer with isolated styrene

Highly alternating ethylene styrene interpolymers

Ethylene styrene interpolymers with double reverse styrene incorporation

Off-line filter free Ziegler-Natta catalyst preparation

Synthesis of magnesium dichloride support for the AST off-line ZN catalyst with a plug flow reactor (PFR)

UNIV ALBERTA

Carbene transition metal catalysts

Aluminum complexes for olefin polymerization

Phosphinimine methanide transition metal catalysts

Carbene transition metal catalysts

Aluminum complexes for olefin polymerization

Phosphinimine methanide transition metal catalysts

Aluminum complexes for olefin polymerization

NOVA CHEMICALS INTERNATIONAL SA

Ziegler-Natta catalyst for high temperature polymerization

Polyethylene composition and film having high stiffness, outstanding sealability and high permeability

Ethylene-cyclic mono olefin copolymerizations

Control of unsaturation in polymers produced in solution process

High productivity polymerization with aryloxy ether ligand catalyst

NOVA CHEMICAL INTERNATIONAL S

Solution polymerization of ethylene

Iron olefin copolymerization catalyst

UNIV KINGSTON

Synthesis of polymers of vinyl ethers, 1,5-hexadiene and N-vinylcarbazole

UNIV WATERLOO

Iminophosphonamide complexes for olefin

WANG QINYAN

Catalyst for high temperature olefin polymerization

NOVA CHEMICALS (INTERNATIONAL) SA

Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations

NOVA CHEMICALS CORP

Vinylaromatic and olefin pseudoblock polymers