Patents by Inventor Sabine Sirol

Sabine Sirol 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).

  • Polyethylene prepared with supported late transition metal catalyst systems
    Patent number: 9181366
    Abstract: The present invention relates to the field of ethylene polymerisation with a supported late transition metal catalyst system.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: November 10, 2015
    Assignee: TOTAL RESEARCH & TECHNOLOGY FELUY
    Inventors: Sabine Sirol, Olivier Lhost
  • Polyethylene Prepared with Supported Late Transition Metal Catalyst Systems
    Publication number: 20140323675
    Abstract: The present invention relates to the field of ethylene polymerisation with a supported late transition metal catalyst system.
    Type: Application
    Filed: July 7, 2014
    Publication date: October 30, 2014
    Inventors: Sabine Sirol, Olivier Lhost
  • Polyethylene prepared with supported late transition metal catalyst systems
    Patent number: 8822612
    Abstract: The present invention relates to the field of ethylene polymerization with a supported late transition metal catalyst system.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: September 2, 2014
    Assignee: Total Research & Technology Feluy
    Inventors: Sabine Sirol, Olivier Lhost
  • Method for bulk polymerization of lactide
    Patent number: 8791228
    Abstract: Process for bulk polymerization of lactide at a temperature between 160° C. and 195° C. in the presence of a zinc-based catalyst.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: July 29, 2014
    Assignee: Futerro S.A.
    Inventor: Sabine Sirol
  • Catalyst components based on fulvene complexes
    Patent number: 8530592
    Abstract: The present invention discloses metallic complexes based on hydroxyl-carbonyl fulvene ligands, their method of preparation and their use in the oligomerization or polymerization of ethylene and alpha-olefins.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: September 10, 2013
    Assignee: Total Research & Technology Feluy
    Inventors: Clément Lansalot-MaTras, Olivier Lavastre, Sabine Sirol
  • Polymerisation of ethylene and alpha-olefins with pyrrol-iminophenol complexes
    Patent number: 8497331
    Abstract: The present invention relates to the field of single site catalyst systems based on pyrrol-iminophenol, pyrrol-iminoalcohol or pyrrol-iminoamine complexes and suitable for oligomerising or homo- or co-polymerising ethylene and alpha-olefins.
    Type: Grant
    Filed: November 9, 2007
    Date of Patent: July 30, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Caroline Hillairet, Guillaume Michaud, Sabine Sirol
  • Catalyst systems based on carbonylamino fulvenes
    Patent number: 8436115
    Abstract: The present invention discloses metallic complexes based on carbonylamino fulvene ligands; their method of preparation and their use in the oligomerisation or polymerisation of ethylene and alpha-olefins.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: May 7, 2013
    Assignees: Total Petrochemicals Research Feluy, Centre National de la Recherche Scientifique (CNRS)
    Inventors: Clément Lansalot-Matras, Olivier Lavastre, Sabine Sirol
  • Tridentate ligand compounds with imino furan units, method for manufacturing said compounds, and their use in the preparation of catalysts for the homopolymerisation and copolymerisation of ethylene and alpha-olefins
    Patent number: 8426540
    Abstract: The present invention relates to new tridentate ligand compounds with imino furan units, to a method for manufacturing said compounds and to their use in the preparation of catalysts for the homopolymerization or copolymerization of ethylene and alpha-olefins.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: April 23, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Sabine Sirol
  • Transition metal complexes supported on activating support
    Patent number: 8426539
    Abstract: The present invention discloses an active supported catalyst system comprising: a) one or more non-metallocene catalyst component; b) an alkylating agent; c) an activating functionalised and fluorinated support. It also discloses a method for preparing said active support and its use in the polymerisation of polar and non polar monomers.
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: April 23, 2013
    Assignees: Total Petrochemicals Research Feluy, Centre National de la Research Scientifique (CNRS)
    Inventors: Floran Prades, Roger Spitz, Christophe Boisson, Sabine Sirol, Abbas Razavi
  • Polymerisation of ethylene and alpha-olefins with catalyst systems based on binam derived ligands
    Patent number: 8420756
    Abstract: The present invention relates to the field of single site catalyst systems based on aromatic BINAM diamine ligands and suitable for oligomerising or polymerising ethylene and alpha-olefins.
    Type: Grant
    Filed: April 8, 2008
    Date of Patent: April 16, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Caroline Hillairet, Guillaume Michaud, Sabine Sirol
  • Polymerisation of ethylene and alpha-olefins with pyridino-iminophenol complexes
    Patent number: 8399582
    Abstract: The present invention relates to the field of single site catalyst systems based on pyridine-iminophenol, pyridine-iminoalcohol or pyridine-iminoamine complexes and suitable for oligomerising or homo- or co-polymerising ethylene and alpha-olefins.
    Type: Grant
    Filed: April 17, 2007
    Date of Patent: March 19, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Caroline Hillairet, Guillaume Michaud, Sabine Sirol
  • Preparation of activating supports
    Patent number: 8394737
    Abstract: The present invention discloses a method for preparing an activating support and its use to activate metallocene or post-metallocene catalyst component for use in the oligomerization and polymerization of ethylene and alpha-olefins.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: March 12, 2013
    Assignees: Total Petrochemicals Research Feluy Seneffe, Centre National de la Recherche Scientifique
    Inventors: Abdelkrim El Kadib, Karine Molvinger, Daniel Brunel, Floran Prades, Sabine Sirol
  • Activating supports based on phosphonium complexes
    Patent number: 8338324
    Abstract: The present invention relates to the covalent anchorage of non-coordinating anions on mineral supports to prepare activating supports for the polymerisation of ethylene and alpha-olefins and wherein the activating species is provided by a phosphonium-borate or phosphonium alane pair. The invention also discloses the concomitant covalent anchorage of zwitterionic systems containing both the non-coordinating anion and the counter cation parts of the activating supports.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: December 25, 2012
    Assignees: Total Petrochemicals Research Feluy, Centre National de la Recherche Scientifique
    Inventors: Abdelkrim El Kadib, Karine Molvinger, Daniel Brunel, Floran Prades, Sabine Sirol
  • POLYETHYLENE PREPARED WITH SUPPORTED LATE TRANSITION METAL CATALYST SYSTEMS
    Publication number: 20120277388
    Abstract: The present invention relates to the field of ethylene polymerisation with a supported late transition metal catalyst system.
    Type: Application
    Filed: October 28, 2010
    Publication date: November 1, 2012
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Sabine Sirol, Olivier Lhost
  • METHOD FOR BULK POLYMERIZATION OF LACTIDE
    Publication number: 20120277403
    Abstract: Process for bulk polymerization of lactide at a temperature between 160° C. and 195° C. in the presence of a zinc-based catalyst.
    Type: Application
    Filed: December 3, 2010
    Publication date: November 1, 2012
    Applicant: FUTERRO S.A.
    Inventor: Sabine Sirol
  • Catalyst components based on ferrocenyl complexes used for olefin polymerisation
    Patent number: 8017541
    Abstract: The present invention discloses catalyst components based on ferrocenyl ligands, their method of preparation and their use in the polymerization of olefins.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: September 13, 2011
    Assignees: Total Petrochemicals Research Feluy, Centre National de al Recherche Scientifiqaue (CNRS)
    Inventors: Cyril Revault, Olivier Lavastre, Sabine Sirol
  • Catalyst Components Based on Ferricinium Complexes Used for Olefin Polymerization
    Publication number: 20110201813
    Abstract: The present invention discloses catalyst components based on ferricinium ligands, their method of preparation and their use in the polymerisation of olefins.
    Type: Application
    Filed: April 27, 2011
    Publication date: August 18, 2011
    Applicants: TOTAL PETROCHEMICALS RESEARCH FELUY, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)
    Inventors: Cyril Revault, Olivier Lavastre, Sabine Sirol
  • ACTIVATING SUPPORTS BASED ON PHOSPHONIUM COMPLEXES
    Publication number: 20110184133
    Abstract: The present invention relates to the covalent anchorage of non-coordinating anions on mineral supports to prepare activating supports for the polymerisation of ethylene and alpha-olefins and wherein the activating species is provided by a phosphonium-borate or phosphonium alane pair. The invention also discloses the concomitant covalent anchorage of zwitterionic systems containing both the non-coordinating anion and the counter cation parts of the activating supports.
    Type: Application
    Filed: December 11, 2008
    Publication date: July 28, 2011
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Abdelkrim El Kadib, Karine Molvinger, Daniel Brunel, Floran Prades, Sabine Sirol
  • Catalyst components based on ferricinium complexes used for olefin polymerisation
    Patent number: 7956003
    Abstract: The present invention discloses catalyst components based on ferricinium ligands, their method of preparation and their use in the polymerisation of olefins.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: June 7, 2011
    Assignees: Total Petrochemicals Research Feluy, Centre National de la Recherche Scientifiqaue (CNRS)
    Inventors: Cyril Revault, Olivier Lavastre, Sabine Sirol
  • Polymerisation of ethylene and ?-olefins with imino-quinolinol complexes
    Patent number: 7932331
    Abstract: The present invention discloses active oligomerization or polymerization catalyst systems based on imino-quinolinol complexes.
    Type: Grant
    Filed: March 7, 2007
    Date of Patent: April 26, 2011
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Caroline Hillairet, Guillaume Michaud, Sabine Sirol