Patents by Inventor Patrick J. Palafox

Patrick J. Palafox 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).

  • Patent number: 11041029
    Abstract: This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising a support, an organoaluminum compound and a metallocene.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: June 22, 2021
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, Gregory S. Day, John R. Hagadorn, Patrick J. Palafox, Ramyaa Mathialagan, Jo Ann M. Canich
  • Patent number: 10829569
    Abstract: Catalyst systems with single site transition metal complexes (such as pyridyldiamido transition metal complexes), an activator, and a metal hydrocarbenyl chain transfer agent (preferably an aluminum vinyl-transfer agent) are disclosed for use in alkene polymerization.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: November 10, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John R. Hagadorn, Jo Ann M. Canich, Matthew W. Holtcamp, Patrick J. Palafox, Ramyaa Mathialagan
  • Patent number: 10815318
    Abstract: Quinolinyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce multimodal polyolefins.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: October 27, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John R. Hagadorn, Patrick J. Palafox, Peijun Jiang, Yaohua Gao, Xin Chen, Georgy P. Goryunov, Mikhail I. Sharikov, Dmitry V. Uborsky, Alexander Z. Voskoboynikov
  • Patent number: 10676547
    Abstract: This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems, and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising ion-exchange layered silicate, a catalyst compound, an activator and an aluminum compound represented by formula: Al(R?)3?v(R?)v, wherein each R?, independently, is a C1-C30 hydrocarbyl group; each R?, independently, is a C4-C20 hydrocarbenyl group; and v is from 0.1 to 3.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: June 9, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, Gregory S. Day, John R. Hagadorn, Patrick J. Palafox, Ramyaa Mathialagan, Jo Ann M. Canich
  • Publication number: 20190177449
    Abstract: Quinolinyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce multimodal polyolefins.
    Type: Application
    Filed: February 12, 2019
    Publication date: June 13, 2019
    Inventors: John R. Hagadorn, Patrick J. Palafox, Peijun Jiang, Yaohua Gao, Xin Chen, Georgy P. Goryunov, Mikhail I. Sharikov, Dmitry V. Uborsky, Alexander Z. Zoskoboynikov
  • Patent number: 10208140
    Abstract: Quinolinyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce multimodal polyolefins.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: February 19, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John R. Hagadorn, Patrick J. Palafox, Peijun Jiang, Yaohua Gao, Xin Chen, Georgy P. Goryunov, Mikhail I. Sharikov, Dmitry V. Uborsky, Alexander Z. Voskoboynikov
  • Publication number: 20180201698
    Abstract: Catalyst systems with single site transition metal complexes (such as pyridyldiamido transition metal complexes), an activator, and a metal hydrocarbenyl chain transfer agent (preferably an aluminum vinyl-transfer agent) are disclosed for use in alkene polymerization.
    Type: Application
    Filed: August 10, 2016
    Publication date: July 19, 2018
    Inventors: John R. Hagadorn, Jo Ann M. Canich, Matthew W. Holtcamp, Patrick J. Palafox, Ramyaa Mathialagan
  • Publication number: 20180201700
    Abstract: This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems, and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising ion-exchange layered silicate, a catalyst compound, an activator and an aluminum compound represented by formula: Al(R?)3?v(R?)v, wherein each R?, independently, is a C1-C30 hydrocarbyl group; each R?, independently, is a C4-C20 hydrocarbenyl group; and v is from 0.1 to 3.
    Type: Application
    Filed: August 10, 2016
    Publication date: July 19, 2018
    Inventors: Matthew W. Holtcamp, Gregory S. Day, John R. Hagadorn, Patrick J. Palafox, Ramyaa Mathialagan, Jo Ann M. Canich
  • Publication number: 20180194872
    Abstract: This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising a support, an organoaluminum compound and a metallocene.
    Type: Application
    Filed: August 10, 2016
    Publication date: July 12, 2018
    Inventors: Matthew W. Holtcamp, Gregory S. Day, John R. Hagadorn, Patrick J. Palafox, Ramyaa Mathialagan, Jo Ann M. Canich
  • Publication number: 20180002352
    Abstract: Quinolinyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce multimodal polyolefins.
    Type: Application
    Filed: June 21, 2017
    Publication date: January 4, 2018
    Inventors: John R. Hagadorn, Patrick J. Palafox, Peijun Jiang, Yaohua Gao, Xin Chen, Georgy P. Goryunov, Mikhail I. Sharikov, Dmitry V. Uborsky, Alexander Z. Voskoboynikov
  • Patent number: 9598444
    Abstract: New pyridylamide transition metal complex compositions for olefin polymerizations are described herein featuring a 7-membered chelate ring and a cyclometalated hydrocarbyl group. When activated using typical activators these compositions form active alkene polymerization catalysts. Theses novel catalyst compositions are shown herein to be active for olefin polymerization, especially for preparation of polymers containing ethylene.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: March 21, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John R. Hagadorn, Patrick J. Palafox
  • Publication number: 20170002027
    Abstract: New pyridylamide transition metal complex compositions for olefin polymerizations are described herein featuring a 7-membered chelate ring and a cyclometalated hydrocarbyl group. When activated using typical activators these compositions form active alkene polymerization catalysts. Theses novel catalyst compositions are shown herein to be active for olefin polymerization, especially for preparation of polymers containing ethylene.
    Type: Application
    Filed: May 12, 2016
    Publication date: January 5, 2017
    Inventors: John R. Hagadorn, Patrick J. Palafox
  • Patent number: 9315526
    Abstract: Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce high melting point polyolefins.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: April 19, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John R. Hagadorn, Patrick J. Palafox
  • Patent number: 9260552
    Abstract: Processes to produce ethylene copolymers using pyridyldiamido transition metal complexes, a chain transfer agent, and an activator are disclosed.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: February 16, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John R. Hagadorn, Liehpao O. Farng, Patrick J. Palafox, Jian Yang, Ian C. Stewart
  • Patent number: 9249238
    Abstract: A process of producing ethylene ?-olefin copolymers, especially ethylene block copolymers, comprising contacting ethylene and a C3 to C10 ?-olefin with a transition metal pyridyldiamide (MPN3) catalyst component and an activator, as well as from 10 equivalents to 1000 equivalents relative to the catalyst component of chain transfer agent; isolating an ethylene-?-olefin copolymer having a Tm of less than 140° C., a MWD of less than 2.5, and a weight average molecular weight (Mw) within the range of from 5 kDa to 500 kDa. The chain transfer agent can be selected from Group 2, 12 or Group 13 alkyl or aryl compounds.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: February 2, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: John R. Hagadorn, Jian Yang, Patrick J. Palafox
  • Publication number: 20150246982
    Abstract: Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce high melting point polyolefins.
    Type: Application
    Filed: February 23, 2015
    Publication date: September 3, 2015
    Inventors: John R. Hagadorn, Patrick J. Palafox
  • Publication number: 20150141590
    Abstract: Processes to produce ethylene copolymers using pyridyldiamido transition metal complexes, a chain transfer agent, and an activator are disclosed.
    Type: Application
    Filed: October 16, 2014
    Publication date: May 21, 2015
    Inventors: John R. Hagadorn, Liehpao O. Farng, Patrick J. Palafox, Jian Yang, Ian C. Stewart
  • Publication number: 20140256893
    Abstract: A process of producing ethylene a-olefin copolymers, especially ethylene block copolymers, comprising contacting ethylene and a C3 to C10 ?-olefin with a transition metal pyridyldiamide (MPN3) catalyst component and an activator, as well as from 10 equivalents to 1000 equivalents relative to the catalyst component of chain transfer agent; isolating an ethylene-?-olefin copolymer having a Tm of less than 140° C., a MWD of less than 2.5, and a weight average molecular weight (Mw) within the range of from 5 kDa to 500 kDa. The chain transfer agent can be selected from Group 2, 12 or Group 13 alkyl or aryl compounds.
    Type: Application
    Filed: March 3, 2014
    Publication date: September 11, 2014
    Inventors: John R. Hagadorn, Jian Yang, Patrick J. Palafox