Patents by Inventor Mark L. Hlavinka

Mark L. Hlavinka 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).

  • Publication number: 20150376312
    Abstract: Disclosed herein are polymerization processes for the production of olefin polymers. These polymerization processes can employ a catalyst system containing two or three metallocene components, resulting in ethylene-based copolymers that can have a medium density and improved stress crack resistance.
    Type: Application
    Filed: September 2, 2015
    Publication date: December 31, 2015
    Inventors: Mark L. Hlavinka, Errun Ding, Paul DesLauriers, Yongwoo Inn, Lili Cui, Qing Yang, Ashish Sukhadia, Guylaine St. Jean, Richard M. Buck
  • Publication number: 20150329652
    Abstract: Disclosed herein are methods of making bis(phenol) ligand compounds and transition metal bis(phenolate) compounds. The transition metal bis(phenolate) compounds can be used as components in catalyst systems for the polymerization of olefins.
    Type: Application
    Filed: May 15, 2014
    Publication date: November 19, 2015
    Applicant: Chevron Phillips Chemical Company LP
    Inventor: Mark L. Hlavinka
  • Publication number: 20150322184
    Abstract: A metallocene-catalyzed polyethylene copolymer having a zero shear viscosity (?o) of from about 1×102 Pa-s to about 5×103 Pa-s and a ratio of a z-average molecular weight to a number average molecular weight (Mz/Mn) of from about 4 to about 15, and when tested in accordance with ASTM F1249 displays a moisture vapor transmission rate of less than or equal to about 0.9 g-mil/100 in2/day. A metallocene-catalyzed polyethylene copolymer which when tested in accordance with ASTM F1249 has a moisture vapor transmission rate (MVTR) that is decreased by at least 5% when compared to an MVTR determined in accordance with ASTM F1249 of an otherwise similar metallocene-catalyzed polyethylene homopolymer.
    Type: Application
    Filed: May 15, 2014
    Publication date: November 12, 2015
    Applicant: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Guylaine St. Jean, Qing Yang, Deloris R. Gagan
  • Patent number: 9156970
    Abstract: Disclosed herein are polymerization processes for the production of olefin polymers. These polymerization processes can employ a catalyst system containing two or three metallocene components, resulting in ethylene-based copolymers that can have a medium density and improved stress crack resistance.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: October 13, 2015
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Errun Ding, Paul DesLauriers, Yongwoo Inn, Lili Cui, Qing Yang, Ashish Sukhadia, Guylaine St. Jean, Richard M. Buck
  • Publication number: 20150259455
    Abstract: Disclosed herein are ethylene-based polymers having a density greater than 0.945 g/cm3, a high load melt index less than 25 g/10 min, a peak molecular weight ranging from 52,000 to 132,000 g/mol, and an environmental stress crack resistance of at least 250 hours. These polymers have the processability of chromium-based resins, but with improved impact strength and stress crack resistance, and can be used in large-part blow molding applications.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 17, 2015
    Applicant: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Qing Yang, Yongwoo Inn, William M. Whitte, John R. Rathman, Steven J. Secora, Daniel G. Hert
  • Patent number: 9115225
    Abstract: Catalyst compositions containing N,N-bis[2-hydroxidebenzyl]amine transition metal compounds are disclosed. Methods for making these transition metal compounds and for using such compounds in catalyst compositions for the polymerization or oligomerization of alpha olefins also are provided.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: August 25, 2015
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Qing Yang, Brooke L. Small, Youlu Yu
  • Publication number: 20150210786
    Abstract: A polymer reactor-blend comprising at least a first component having a polydispersity index of greater than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer and a second component having a polydispersity index of less than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer wherein a molecular weight distribution of the second component lies within a molecular weight distribution of the first component.
    Type: Application
    Filed: April 13, 2015
    Publication date: July 30, 2015
    Inventors: Mark L. Hlavinka, Qing Yang, William B. Beaulieu, Paul J. Deslauriers
  • Publication number: 20150191554
    Abstract: Methods for preparing supported chromium catalysts containing a chromium (III) compound and an activator-support are disclosed. These supported chromium catalysts can be used in catalyst compositions for the polymerization of olefins to produce polymers having low levels of long chain branching, and with greater sensitivity to the presence of hydrogen during polymerization.
    Type: Application
    Filed: January 9, 2014
    Publication date: July 9, 2015
    Applicant: Chevron Phillips Chemical Company LP
    Inventors: Max P. McDaniel, Mark L. Hlavinka, Kathy S. Collins
  • Patent number: 9056930
    Abstract: The present invention discloses catalyst compositions employing transition metal complexes with a thiolate ligand. Methods for making these transition metal complexes and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: June 16, 2015
    Assignee: Chevron Phillips Chemical Company LP
    Inventor: Mark L. Hlavinka
  • Patent number: 9034991
    Abstract: A polymer reactor-blend comprising at least a first component having a polydispersity index of greater than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer and a second component having a polydispersity index of less than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer wherein a molecular weight distribution of the second component lies within a molecular weight distribution of the first component.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: May 19, 2015
    Assignee: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: Mark L. Hlavinka, Qing Yang, William B. Beaulieu, Paul J. Deslauriers
  • Patent number: 9018329
    Abstract: A unimodal polymer having a melt index of from about 0.5 g/10 min to about 4 g/10 min, a density of equal to or greater than about 0.945 g/cc which when formed into a film displays a moisture vapor transmission rate of less than about 0.55 g-mil/100 in2 in 24 hours as determined in accordance with ASTM F 1249. A unimodal polymer having a melt index of from about 0.5 g/10 min to about 4 g/10 min, a density of equal to or greater than about 0.945 g/cc which when formed into a film displays a moisture vapor transmission rate of less than about 0.44 g-mil/100 in2 in 24 hours as determined in accordance with ASTM F 1249.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: April 28, 2015
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Qing Yang, Mark L. Hlavinka, Guylaine St. Jean, Brooke A. Gill
  • Patent number: 8987394
    Abstract: Catalyst compositions containing N,N-bis[2-hydroxidebenzyl]amine transition metal compounds are disclosed. Methods for making these transition metal compounds and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: March 24, 2015
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Qing Yang, Youlu Yu
  • Publication number: 20150065669
    Abstract: Disclosed herein are polymerization processes for the production of olefin polymers. These polymerization processes can employ a catalyst system containing two or three metallocene components, resulting in ethylene-based copolymers that can have a medium density and improved stress crack resistance.
    Type: Application
    Filed: September 5, 2013
    Publication date: March 5, 2015
    Applicant: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Errun Ding, Paul DesLauriers, Yongwoo Inn, Lili Cui, Qing Yang, Ashish Sukhadia, Guylaine St. Jean, Richard M. Buck
  • Patent number: 8937139
    Abstract: An ethylene polymer having (i) a density defined by equation (1) ?>a?b Log M??(1) where ? is a density of the polymer in g/cc, log M is a log weight average molecular weight of the polymer, a is about 1.0407, and b is about 0.0145; and (ii) a polydispersity index of greater than about 5.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: January 20, 2015
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Guylaine St. Jean, Qing Yang
  • Patent number: 8895679
    Abstract: An imine phenol compound having Structure I: wherein O and N represent oxygen and nitrogen respectively; R comprises a halogen, a hydrocarbyl group, or a substituted hydrocarbyl group; R2 and R3 can each independently be hydrogen, a halogen, a hydrocarbyl group, or a substituted hydrocarbyl group; and Q is a donor group. A method comprising contacting a catalyst composition with a monomer under conditions suitable for the formation of a polymer wherein the catalyst composition comprises a metal salt complex of an imine (bis)phenolate compound, a solid oxide, and an optional metal alkyl and wherein the metal salt complex of an imine (bis)phenolate compound has Structure XIV where M is titanium, zirconium, or hafnium; OEt2 is ethoxide, R comprises a halogen, a hydrocarbyl group, or a substituted hydrocarbyl group; and R2 comprises hydrogen, a halogen, a hydrocarbyl group, or a substituted hydrocarbyl group.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: November 25, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventor: Mark L. Hlavinka
  • Patent number: 8877672
    Abstract: A catalyst composition comprising (i) a metal salt complex prepared from an imine phenol compound characterized by Structure 1: wherein O and N represent oxygen and nitrogen respectively; R comprises a halogen, a hydrocarbyl group, or a substituted hydrocarbyl group; R2 and R3 are each independently hydrogen, a halogen, a hydrocarbyl group, or a substituted hydrocarbyl group; and Q is a donor group; and (ii) a metallocene complex.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: November 4, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Qing Yang
  • Publication number: 20140323437
    Abstract: Metallocene compounds and pharmaceutical compositions containing these metallocene compounds are disclosed and described. Methods of treating cancer employing such metallocene compounds and pharmaceutical compositions also are provided.
    Type: Application
    Filed: July 10, 2014
    Publication date: October 30, 2014
    Inventors: Mark L. Hlavinka, Qing Yang, Mandi Michelle Murph
  • Publication number: 20140296456
    Abstract: Catalyst compositions containing N,N-bis[2-hydroxidebenzyl]amine transition metal compounds are disclosed. Methods for making these transition metal compounds and for using such compounds in catalyst compositions for the polymerization or oligomerization of alpha olefins also are provided.
    Type: Application
    Filed: June 18, 2014
    Publication date: October 2, 2014
    Inventors: Mark L. Hlavinka, Qing Yang, Brooke L. Small, Youlu Yu
  • Publication number: 20140296453
    Abstract: Catalyst compositions containing N,N-bis[2-hydroxidebenzyl]amine transition metal compounds are disclosed. Methods for making these transition metal compounds and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.
    Type: Application
    Filed: June 17, 2014
    Publication date: October 2, 2014
    Inventors: Mark L. Hlavinka, Qing Yang, Youlu Yu
  • Patent number: 8809562
    Abstract: Metallocene compounds and pharmaceutical compositions containing these metallocene compounds are disclosed and described. Methods of treating cancer employing such metallocene compounds and pharmaceutical compositions also are provided.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: August 19, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Qing Yang, Mandi Michelle Murph