1
XiaoChuan Wang, Yves Lacombe, Douglas Walter Checknita, Mark Rejman, Matthew Zaki Botros, Renee Laurel Anseeuw: Polyethylene compositions having high dimensional stability and excellent processability for caps and closures. NOVA Chemicals, Julie L Heinrich, July 7, 2015: US09074082 (10 worldwide citation)

A dual reactor solution polymerization process gives high density polyethylene compositions containing a first ethylene copolymer and a second ethylene copolymer and which have high dimensional stability, excellent processability as well as good organoleptic properties and reasonable stress cracking ...


2
Patrick Lam, Victoria Ker, Karen Grabow: Polyethylene blend compositions and film. NOVA Chemicals, Julie L Heinrich, August 4, 2015: US09096745 (2 worldwide citation)

A polymer blend comprising first and second polyethylene copolymers is presented which has good processability, and which when made into film shows good toughness-stiffness balance, reasonable MD tear, as well as good optical properties.


3
XiaoChuan Wang: Polyethylene compositions and closures made from them. NOVA Chemicals, Julie L Heinrich, June 21, 2016: US09371442 (2 worldwide citation)

A dual reactor solution process gives high density polyethylene compositions containing a first ethylene copolymer and a second ethylene copolymer and which have good processability, stiffness, and environmental stress crack resistance. The polyethylene compositions are suitable for compression mold ...


4
XiaoChuan Wang, Mark Rejman: Polyethylene compositions having high dimensional stability and excellent processability for caps and closures. NOVA Chemicals, Julie L Heinrich, October 25, 2016: US09475927 (2 worldwide citation)

A dual reactor solution polymerization process gives high density polyethylene compositions containing a first ethylene copolymer and a second ethylene copolymer and which have high dimensional stability, excellent processability as well as good organoleptic properties and reasonable stress cracking ...


5
Victoria Ker, Patrick Lam, Yan Jiang, Peter Phung Minh Hoang, Charles Ashton Garret Carter, Darryl J Morrison: Ethylene copolymer compositions, film and polymerization processes. NOVA Chemicals, Julie L Heinrich, August 25, 2015: US09115233 (1 worldwide citation)

Ethylene copolymers having a relatively high melt flow ratio and a multimodal profile in a temperature rising elution fractionation (TREF) plot are disclosed. The copolymers can be made into film having good dart impact values and good stiffness properties under decreased extruder pressures.


6
XiaoChuan Wang, Yves Lacombe, Mark Edmund Weber: Polyethylene compositions and closures for bottles. NOVA Chemicals, Julie L Heinrich, December 29, 2015: US09221966 (1 worldwide citation)

A dual reactor solution process gives high density polyethylene compositions containing a first ethylene copolymer and a second ethylene copolymer and which have good processability, toughness, and environmental stress crack resistance combined with good organoleptic properties. The polyethylene com ...


7
Peter Phung Minh Hoang, Patrick Lam, Victoria Ker, Cliff Robert Baar, Charles Ashton Garret Carter, Yan Jiang, Martina Elissa Djatmiko: Modified phosphinimine catalysts for olefin polymerization. NOVA Chemicals, Julie L Heinrich, September 8, 2015: US09127094 (1 worldwide citation)

Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.


8
Victoria Ker, Yan Jiang, Sergio Alejandro Guillen Castellanos: Controlling resin properties in a gas phase polymerization process. NOVA Chemicals, Julie L Heinrich, June 23, 2015: US09062138 (1 worldwide citation)

Methods for dramatically altering the processability of ethylene copolymers made with a supported phosphinimine polymerization catalyst. The method involves changing the polymerization reactor temperature during the polymerization of ethylene and a least one alpha-olefin when a phosphinimine catalys ...


9
Eric Clavelle, Edgar Yajure, Leslie Wilfred Benum, Edward Christopher Foy, David Eisenhawer: Transfer line exchanger. NOVA Chemicals, Julie L Heinrich, March 1, 2016: US09273805 (1 worldwide citation)

The present invention provides a transfer line exchanger which is optimized for one or more objective functions of interest such as pressure drop, erosion rate, fouling, coke deposition and operating costs. The transfer line exchanger is designed by computer modeling a transfer line exchanger in whi ...


10
William Joseph Tchir, Eric Cheluget: Reduction of fouling in high pressure reactors. NOVA Chemicals, Julie L Heinrich, December 1, 2015: US09202014 (1 worldwide citation)

The Application of equations of state to experimental and literature data permits the formation of a model and phase diagram(s) that show under what conditions polyethylene is likely to precipitate out of a high pressure solution of polyethylene in supercritical ethylene. This then permits a better ...