Patents by Inventor Victoria Ker

Victoria Ker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ethylene copolymers, film and polymerization process
    Patent number: 9382394
    Abstract: 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.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: July 5, 2016
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Victoria Ker, Patrick Lam, Yan Jiang, Peter Phung Minh Hoang, Darryl J. Morrison, Charles Ashton Garret Carter
  • Modified phosphinimine catalysts for olefin polymerization
    Patent number: 9321859
    Abstract: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: April 26, 2016
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Peter Phung Minh Hoang, Patrick Lam, Victoria Ker, Cliff Robert Baar, Charles Ashton Garret Carter, Yan Jiang
  • Modified phosphinimine catalysts for olefin polymerization
    Patent number: 9315591
    Abstract: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: April 19, 2016
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Peter Phung Minh Hoang, Victoria Ker, Charles Ashton Garret Carter, Sergio Alejandro Guillen-Castellanos
  • Modified phosphinimine catalysts for olefin polymerization
    Patent number: 9243092
    Abstract: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: January 26, 2016
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Peter Phung Minh Hoang, Victoria Ker, Charles Ashton Garret Carter, Robert Joseph Louis Quaiattini, Amy Elizabeth Phinney
  • Modified phosphinimine catalysts for olefin polymerization
    Patent number: 9221935
    Abstract: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: December 29, 2015
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Peter Phung Minh Hoang, Victoria Ker, Charles Ashton Garret Carter, Sergio Alejandro Guillen-Castellanos, Yan Jiang
  • ETHYLENE COPOLYMER COMPOSITIONS, FILM AND POLYMERIZATION PROCESSES
    Publication number: 20150315314
    Abstract: 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.
    Type: Application
    Filed: July 13, 2015
    Publication date: November 5, 2015
    Applicant: NOVA CHEMICALS (INTERNATIONAL) S.A.
    Inventors: Victoria Ker, Patrick Lam, Yan Jiang, Peter Phung Minh Hoang, Charles Ashton Garret Carter, Darryl J. Morrison
  • POLYETHYLENE BLEND COMPOSITIONS AND FILM
    Publication number: 20150284552
    Abstract: 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.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 8, 2015
    Applicant: NOVA CHEMICALS (INTERNATIONAL) S.A.
    Inventors: Patrick Lam, Victoria Ker, Karen Grabow
  • Ethylene Copolymers, Film and Polymerization Process
    Publication number: 20150252159
    Abstract: 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.
    Type: Application
    Filed: May 21, 2015
    Publication date: September 10, 2015
    Applicant: NOVA Chemicals (International) S.A..
    Inventors: Victoria Ker, Patrick Lam, Yan Jiang, Peter Phung Minh Hoang, Darryl J. Morrison, Charles Ashton Garret Carter
  • Modified phosphinimine catalysts for olefin polymerization
    Patent number: 9127094
    Abstract: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: September 8, 2015
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: 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
    Patent number: 9127106
    Abstract: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: September 8, 2015
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Peter Phung Minh Hoang, Patrick Lam, Victoria Ker, Cliff Robert Baar, Charles Ashton Garret Carter, Yan Jiang
  • Ethylene copolymer compositions, film and polymerization processes
    Patent number: 9115233
    Abstract: 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.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: August 25, 2015
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Victoria Ker, Patrick Lam, Yan Jiang, Peter Phung Minh Hoang, Charles Ashton Garret Carter, Darryl J Morrison
  • Polyethylene blend compositions and film
    Patent number: 9096745
    Abstract: 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.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: August 4, 2015
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Patrick Lam, Victoria Ker, Karen Grabow
  • Ethylene copolymers, film and polymerization process
    Patent number: 9079991
    Abstract: 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.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: July 14, 2015
    Assignee: NOVA CHEMICALS (INTERNATIONAL) S.A.
    Inventors: Victoria Ker, Patrick Lam, Yan Jiang, Peter Phung Minh Hoang, Darryl J. Morrison, Charles Ashton Garret Carter
  • Controlling resin properties in a gas phase polymerization process
    Patent number: 9062138
    Abstract: 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 catalyst which comprises a substituted or unsubstituted indenyl ligand and a phosphinimine type ligand.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: June 23, 2015
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Victoria Ker, Yan Jiang, Sergio Alejandro Guillen-Castellanos
  • MODIFIED PHOSPHINIMINE CATALYSTS FOR OLEFIN POLYMERIZATION
    Publication number: 20150099856
    Abstract: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.
    Type: Application
    Filed: December 12, 2014
    Publication date: April 9, 2015
    Applicant: NOVA CHEMICALS (INTERNATIONAL) S.A.
    Inventors: 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
    Publication number: 20150094433
    Abstract: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.
    Type: Application
    Filed: December 11, 2014
    Publication date: April 2, 2015
    Applicant: NOVA Chemicals (International) S.A.
    Inventors: Peter Phung Minh Hoang, Victoria Ker, Charles Ashton Garret Carter, Robert Joseph Louis Quaiattini, Amy Elizabeth Phinney
  • Modified phosphinimine catalysts for olefin polymerization
    Patent number: 8952111
    Abstract: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: February 10, 2015
    Assignee: Nova Chemicals (International) S.A.
    Inventors: Peter Phung Minh Hoang, Benjamin Milton Shaw, Patrick Lam, Victoria Ker, Cliff Robert Baar, Lee Douglas Henderson, Charles Ashton Garret Carter, Yan Jiang
  • MODIFIED PHOSPHINIMINE CATALYSTS FOR OLEFIN POLYMERIZATION
    Publication number: 20140378632
    Abstract: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.
    Type: Application
    Filed: September 11, 2014
    Publication date: December 25, 2014
    Applicant: NOVA CHEMICALS (INTERNATIONAL) S.A.
    Inventors: Peter Phung Minh Hoang, Patrick Lam, Victoria Ker, Cliff Robert Baar, Charles Ashton Garret Carter, Yan Jiang
  • Adjusting Polymer Composition
    Publication number: 20140363599
    Abstract: A scavenger is used to indirectly control the ratio of polymer components in a polyethylene composition made using a combination catalyst comprising an inorganic chromium catalyst, and a group 4 single site catalyst.
    Type: Application
    Filed: August 25, 2014
    Publication date: December 11, 2014
    Applicant: NOVA CHEMICALS (INTERNATIONAL) S.A.
    Inventors: Victoria Ker, Peter Phung Minh Hoang, Yan Jiang, Yves Lacombe
  • MODIFIED PHOSPHINIMINE CATALYSTS FOR OLEFIN POLYMERIZATION
    Publication number: 20140357819
    Abstract: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.
    Type: Application
    Filed: August 19, 2014
    Publication date: December 4, 2014
    Applicant: NOVA CHEMICALS (INTERNATIONAL) S.A.
    Inventors: Peter Phung Minh Hoang, Victoria Ker, Charles Ashton Garret Carter, Sergio Alejandro Guillen-Castellanos