Patents by Inventor Ashish M. Sukhadia

Ashish M. Sukhadia 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: 20190055329
    Abstract: Disclosed herein are ethylene-based polymers produced using dual metallocene catalyst systems. These polymers have low densities, high molecular weights, and broad molecular weight distributions, as well as having the majority of the long chain branches in the lower molecular weight component of the polymer, and the majority of the short chain branches in the higher molecular weight component of the polymer. Films produced from these polymers have improved impact and puncture resistance.
    Type: Application
    Filed: October 22, 2018
    Publication date: February 21, 2019
    Inventors: Ashish M. Sukhadia, Max P. McDaniel, Errun Ding, Guylaine St. Jean, Qing Yang, Daniel G. Hert, Chung Ching Tso
  • Patent number: 10113016
    Abstract: Disclosed herein are ethylene-based polymers produced using dual metallocene catalyst systems. These polymers have low densities, high molecular weights, and broad molecular weight distributions, as well as having the majority of the long chain branches in the lower molecular weight component of the polymer, and the majority of the short chain branches in the higher molecular weight component of the polymer. Films produced from these polymers have improved impact and puncture resistance.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: October 30, 2018
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Ashish M. Sukhadia, Max P. McDaniel, Errun Ding, Guylaine St. Jean, Qing Yang, Daniel G. Hert, Chung Ching Tso
  • Publication number: 20180298129
    Abstract: A polyolefin having a density of greater than about 0.930 g/ml which when extruded at a temperature in the range of from about 590° F. to about 645° F. and then coated onto a substrate at a rate of from about 300 ft/min to about 1000 ft/min has an edge weave of from about 0 in/side to about 2.5 in/side and a neck-in of less than about 3.0 in/side.
    Type: Application
    Filed: May 16, 2018
    Publication date: October 18, 2018
    Inventors: Chung TSO, Carlos A. CRUZ, Qing YANG, Max P. MCDANIEL, Jared L. BARR, Youlu YU, Yongwoo INN, Ashish M. SUKHADIA, Brandy RUTLEDGE-RYAL, Daniel G. HERT, Kelly FREY, Bill BRIDENDOLPH, William FISHER
  • Publication number: 20180273712
    Abstract: Disclosed herein are ethylene-based polymers having low densities and narrow molecular weight distributions, but high melt strengths for blown film processing. Such polymers can be produced by peroxide-treating a metallocene-catalyzed resin.
    Type: Application
    Filed: May 25, 2018
    Publication date: September 27, 2018
    Inventors: Lili Cui, Ashish M. Sukhadia, Vivek Rohatgi
  • Patent number: 10017617
    Abstract: Disclosed herein are ethylene-based polymers having low densities and narrow molecular weight distributions, but high melt strengths for blown film processing. Such polymers can be produced by peroxide-treating a metallocene-catalyzed resin.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: July 10, 2018
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Lili Cui, Ashish M. Sukhadia, Vivek Rohatgi
  • Patent number: 9994659
    Abstract: A crosslinked metallocene-catalyzed polyethylene copolymer having a higher molecular weight (HMW) component and lower molecular weight (LMW) component wherein the HMW component is present in an amount of from about 10 wt. % to about 30 wt. % and wherein the LMW component is present in an amount of from about 70 wt. % to about 90 wt. %.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: June 12, 2018
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Vivek Rohatgi, Yongwoo Inn, Ashish M. Sukhadia, Qing Yang, Paul J. DesLauriers
  • Patent number: 9975976
    Abstract: A polyolefin having a density of greater than about 0.930 g/ml which when extruded at a temperature in the range of from about 590° F. to about 645° F. and then coated onto a substrate at a rate of from about 300 ft/min to about 1000 ft/min has an edge weave of from about 0 in/side to about 2.5 in/side and a neck-in of less than about 3.0 in/side.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: May 22, 2018
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Chung Tso, Jared L. Barr, Kelly Frey, Carlos A. Cruz, Youlu Yu, Bill Bridendolph, Qing Yang, Yongwoo Inn, William Fisher, Max P. McDaniel, Ashish M. Sukhadia, Brandy Rutledge-Ryal, Daniel G. Hert
  • Publication number: 20180057618
    Abstract: An ethylene alpha-olefin copolymer having (a) a density of from about 0.910 g/cc to about 0.940 g/cc; (b) a weight average molecular weight of from about 150,000 g/mol to about 300,000 g/mol; and (c) a melt index at a load of 2.16 kg of from about 0.01 dg/10 min. to about 0.5 dg/min.; wherein a 1 mil blown film formed from the polymer composition is characterized by (i) a Dart Impact strength greater than about 175 g/mil; (ii) an Elmendorf machine direction tear strength greater than about 20 g/mil; and (iii) an Elmendorf transverse direction tear strength greater than about 475 g/mil.
    Type: Application
    Filed: November 7, 2017
    Publication date: March 1, 2018
    Inventors: Ashish M. SUKHADIA, Guylaine ST. JEAN, Qing YANG, Max P. MCDANIEL
  • Publication number: 20180044454
    Abstract: A crosslinked metallocene-catalyzed polyethylene copolymer having a higher molecular weight (HMW) component and lower molecular weight (LMW) component wherein the HMW component is present in an amount of from about 10 wt. % to about 30 wt. % and wherein the LMW component is present in an amount of from about 70 wt. % to about 90 wt. %.
    Type: Application
    Filed: October 24, 2017
    Publication date: February 15, 2018
    Inventors: Vivek Rohatgi, Yongwoo Inn, Ashish M. Sukhadia, Qing Yang, Paul J. DesLauriers
  • Patent number: 9840570
    Abstract: An ethylene alpha-olefin copolymer having (a) a density of from about 0.910 g/cc to about 0.940 g/cc; (b) a weight average molecular weight of from about 150,000 g/mol to about 300,000 g/mol; and (c) a melt index at a load of 2.16 kg of from about 0.01 dg/10 min. to about 0.5 dg/min.; wherein a 1 mil blown film formed from the polymer composition is characterized by (i) a Dart Impact strength greater than about 175 g/mil; (ii) an Elmendorf machine direction tear strength greater than about 20 g/mil; and (iii) an Elmendorf transverse direction tear strength greater than about 475 g/mil.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: December 12, 2017
    Assignee: Chevron Phillips Chemical Company, LP
    Inventors: Ashish M Sukhadia, Guylaine St. Jean, Qing Yang, Max P. McDaniel
  • Patent number: 9828451
    Abstract: A crosslinked metallocene-catalyzed polyethylene copolymer having a higher molecular weight (HMW) component and lower molecular weight (LMW) component wherein the HMW component is present in an amount of from about 10 wt. % to about 30 wt. % and wherein the LMW component is present in an amount of from about 70 wt. % to about 90 wt. %.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: November 28, 2017
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Vivek Rohatgi, Yongwoo Inn, Ashish M. Sukhadia, Qing Yang, Paul J. DesLauriers
  • Publication number: 20170306114
    Abstract: Disclosed herein are ethylene-based polymers having low densities and narrow molecular weight distributions, but high melt strengths for blown film processing. Such polymers can be produced by peroxide-treating a metallocene-catalyzed resin.
    Type: Application
    Filed: July 7, 2017
    Publication date: October 26, 2017
    Inventors: Lili Cui, Ashish M. Sukhadia, Vivek Rohatgi
  • Patent number: 9732197
    Abstract: Disclosed herein are ethylene-based polymers having low densities and narrow molecular weight distributions, but high melt strengths for blown film processing. Such polymers can be produced by peroxide-treating a metallocene-catalyzed resin.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: August 15, 2017
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Lili Cui, Ashish M. Sukhadia, Vivek Rohatgi
  • Publication number: 20170145123
    Abstract: Disclosed herein are ethylene-based polymers produced using dual metallocene catalyst systems. These polymers have low densities, high molecular weights, and broad molecular weight distributions, as well as having the majority of the long chain branches in the lower molecular weight component of the polymer, and the majority of the short chain branches in the higher molecular weight component of the polymer. Films produced from these polymers have improved impact and puncture resistance.
    Type: Application
    Filed: February 9, 2017
    Publication date: May 25, 2017
    Inventors: Ashish M. Sukhadia, Max P. McDaniel, Errun Ding, Guylaine St. Jean, Qing Yang, Daniel G. Hert, Chung Ching Tso
  • Patent number: 9605100
    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: June 27, 2016
    Date of Patent: March 28, 2017
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Errun Ding, Paul DesLauriers, Yongwoo Inn, Lili Cui, Qing Yang, Ashish M. Sukhadia, Guylaine St. Jean, Richard M. Buck
  • Patent number: 9605097
    Abstract: Disclosed herein are ethylene-based polymers produced using dual metallocene catalyst systems. These polymers have low densities, high molecular weights, and broad molecular weight distributions, as well as having the majority of the long chain branches in the lower molecular weight component of the polymer, and the majority of the short chain branches in the higher molecular weight component of the polymer. Films produced from these polymers have improved impact and puncture resistance.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: March 28, 2017
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Ashish M. Sukhadia, Max P. McDaniel, Errun Ding, Guylaine St. Jean, Qing Yang, Daniel G. Hert, Chung Ching Tso
  • Publication number: 20160304644
    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: June 27, 2016
    Publication date: October 20, 2016
    Inventors: Mark L. Hlavinka, Errun Ding, Paul DesLauriers, Yongwoo Inn, Lili Cui, Qing Yang, Ashish M. Sukhadia, Guylaine St. Jean, Richard M. Buck
  • Patent number: 9441061
    Abstract: A polymer composition comprising an ethylene alpha-olefin copolymer, wherein the polymer composition is characterized as having (a) a density in the range of from greater than about 0.910 g/cc to about 0.930 g/cc, as determined according to ASTM D1505; (b) a melt index in the range of from greater than about 0.5 g/10 min to about 3 g/10 min, as determined by ASTM D1238, Condition 190° C./2.16 kg; (c) a molecular weight distribution of from about 3.4 to about 12, as determined by gel permeation chromatography (GPC); (d) a weight average molecular weight of from greater than about 85 kg/mol to about 160 kg/mol, as determined by gel permeation chromatography (GPC); and (e) a z-average molecular weight of from greater than about 210 kg/mol to about 500 kg/mol, as determined by gel permeation chromatography (GPC).
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: September 13, 2016
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Chung Tso, Ashish M. Sukhadia, Albert P. Masino
  • Publication number: 20160229967
    Abstract: Disclosed herein are ethylene-based polymers having low densities and narrow molecular weight distributions, but high melt strengths for blown film processing. Such polymers can be produced by peroxide-treating a metallocene-catalyzed resin.
    Type: Application
    Filed: April 21, 2016
    Publication date: August 11, 2016
    Inventors: Lili Cui, Ashish M. Sukhadia, Vivek Rohatgi
  • Patent number: 9346897
    Abstract: Disclosed herein are ethylene-based polymers having low densities and narrow molecular weight distributions, but high melt strengths for blown film processing. Such polymers can be produced by peroxide-treating a metallocene-catalyzed resin.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: May 24, 2016
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Lili Cui, Ashish M. Sukhadia, Vivek Rohatgi