Inventor

Qinyan Wang

Inventor

Calgary, CA

Overview

1995–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 45 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds52%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium18%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

C08JWorking-up7%

C08LCompositions of macromolecular compounds4%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%

C07DHeterocyclic compounds2%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals1%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds1%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds1%

PatentTitleYear

10,738,183Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations2020 10,647,588Synthesis of magnesium dichloride support for the AST off-line ZN catalyst with a plug flow reactor (PFR)2020 10,590,214Ziegler-Natta catalyst for high temperature polymerization2020 10,442,880Ziegler-Natta catalyst for high temperature polymerization2019 10,442,920Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations2019 10,442,921Means for increasing the molecular weight and decreasing the density employing mixed homogeneous catalyst formulations2019 10,336,841Self supported phosphinimine catalyst2019 10,160,818Polyolefins2018 10,072,111Spheroidal catalyst for olefin polymerization2018 9,963,526Process for polymerization using dense and spherical ziegler-natta type catalyst2018 9,914,793'Spheroidal catalyst for olefin polymerization'2018 9,481,748'Ziegler-Natta catalyst for high temperature polymerization'2016 8,907,029'Catalyst for high temperature olefin polymerization'2014 7,666,810'Ziegler-natta catalyst for high temperature polymerization'2010 6,806,329'Highly alternating ethylene styrene interpolymers'2004 6,740,724'Ethylene styrene copolymer with isolated styrene'2004 6,696,532'Phosphinimine methanide transition metal catalysts'2004 6,686,491'Aluminum complexes for olefin polymerization'2004 6,664,358'Highly alternating ethylene styrene interpolymers'2003 6,649,558'Bis-phosphinimine catalyst'2003 6,579,961'Ethylene styrene interpolymers with double reverse styrene incorporation'2003 6,492,474'Aluminum complexes for olefin polymerization'2002 6,486,276'Process to prepare ethylene propylene elastomer'2002 6,476,245'Phosphinimine methanide transition metal catalysts'2002 6,444,834'Aluminum complexes for olefin polymerization'2002 6,380,333'Group 8, 9 or 10 olefin copolymerization catalyst'2002 6,355,744'Cyclopentadienyl/phosphinimine catalyst with one and only one activatable ligand'2002 6,342,463'Polymerization catalyst having a phosphinimine ligand'2002 6,339,161'Group 8, 9 or 10 transition metal catalyst for olefin polymerization'2002 6,313,331'Carbene transition metal catalysts'2001 6,300,435'Iron olefin copolymerization catalyst'2001 6,268,448'Iminophosphonamide complexes for olefin'2001 6,239,242'Vinylaromatic and olefin pseudoblock polymers'2001 6,239,237'Group 8, 9 or 10 transition metal catalyst for olefin polymerization'2001 6,239,061'Aluminum-phosphinimine complexes as catalysts for the (co)polymerization of ethylene'2001 6,239,238'Bis-phosphinimine catalyst'2001 6,235,853'Slurry polymerization process using an unsupported phosphinimine catalyst'2001 6,235,919'Aluminum complexes for olefin polymerization'2001 6,221,985'Solution polymerization of ethylene'2001 6,147,172'Phosphinimine/heteroatom catalyst component'2000 6,133,387'Group 8, 9 or 10 olefin copolymerization catalyst'2000 6,063,879'High temperature solution polymerization process with phosphinimine cyclopentadienyl metal (GRP IV) complex'2000 6,060,568'Carbene transition metal catalysts'2000 6,051,667'Olefin polymerization using a catalyst having a bridged cyclopentadienyl-phosphole ligand'2000 5,439,996'Synthesis of polymers of vinyl ethers, 1,5-hexadiene and N-vinylcarbazole'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Based in Kingston, CA· patent location history

2000–2020Patents assigned to NOVA CHEM INT SA (30)· patent assignee history

2000–2004Patents assigned to UNIV ALBERTA (8)· patent assignee history

2000–2020Based in Calgary, CA· patent location history

2001Patents assigned to NOVA CHEMICAL INTERNATIONAL S (2)· patent assignee history

2001Patents assigned to NOVA CHEMICAL CORP (1)· patent assignee history

2020Patents assigned to NOVA CHEMICALS (INTERNATIONAL) SA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NOVA CHEM INT SA	30	2000–2020
UNIV ALBERTA	8	2000–2004
NOVA CHEMICAL INTERNATIONAL S	2	2001
NOVA CHEMICAL CORP	1	2001
NOVA CHEMICALS (INTERNATIONAL) SA	1	2020

Locations

Location	Patents	Span
Calgary, CA	44	2000–2020
Kingston, CA	1	1995