Patents by Inventor Mridula Kapur

Mridula Kapur 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: 20220176599
    Abstract: An injection molded cap or closure having a weld line, wherein the injection molded cap or closure is formed from an ethylene-based resin comprising a high molecular weight component and a low molecular weight component.
    Type: Application
    Filed: May 29, 2020
    Publication date: June 9, 2022
    Inventors: Keran Lu, Yijian Lin, Mridula Kapur, Tian Lan, Stephanie M. Whited, John L. Sugden, Siddharth Ram Athreya
  • Patent number: 11345799
    Abstract: The present disclosure provides formulation. The formulation contains a high density polyethylene composition containing (i) a high molecular weight component including an ethylene/a-olefin copolymer, the high molecular weight component having a density from 0.924 to 0.930 g/cc and a high load melt index (121) from 0.3 to 0.9 g/10 min; and (ii) a low molecular weight component including an ethylene-based polymer selected from the group consisting of an ethylene homopolymer and an ethylene/a-olefin copolymer. The high density polyethylene composition has (a) a density from 0.950 to 0.956 g/cc; (b) a high load melt index (121) from 15 to 28 g/10 min; (c) an 121/12 of at least 85; (d) a notched constant tensile load failure time at 35% yield stress of greater than 90 hours; and (e) an environmental stress crack resistance (ESCR) F0 value, according to ASTM D1693—condition B (100% IGEPAL), of greater than 2,000 hours.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: May 31, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Stephanie M. Whited, Siddharth Ram Athreya, Mridula Kapur, Alexander Stolarz, Adriana Velasquez
  • Patent number: 11312827
    Abstract: A uniaxially-oriented ethylene-based polymeric film having at least one layer comprising at least 65 wt. %, based on total amount of materials present in the at least one layer, of a linear low density polyethylene which exhibits each of the following properties: a CDBI of at least 60%; a melt index, I2, measured according to ASTM D 1238 (2.16 kg @190° C.), of 1.8 g/10 min to 10 g/10 min; a density of from 0.910 g/cc to 0.940 g/cc; and a Mw/Mn of less than 3.0.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: April 26, 2022
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Wu Aik Yee, Yijian Lin, Rajen M. Patel, Fabricio Arteaga Larios, Jacquelyn A. Degroot, Mridula Kapur, Yutaka Maehara
  • Publication number: 20220105712
    Abstract: The present disclosure provides a multilayer film. The multilayer film includes at least two layers including a sealant layer and a second layer in contact with the sealant layer. The sealant layer contains (A) a first ethylene-based polymer having a density from 0.895 g/cc to 0.925 g/cc and a melt index from 0.5 g/10 min to 30 g/10 min; (B) a branched fatty acid amide; and (C) a linear saturated fatty acid amide, wherein the branched fatty acid amide and the linear saturated fatty acid amide have a weight ratio of from 1:5 to 3:1. The second layer contains a second ethylene-based polymer.
    Type: Application
    Filed: December 10, 2019
    Publication date: April 7, 2022
    Inventors: Ronald Wevers, Raul Sharma, Kyle E. Hart, Mridula Kapur, Michaeleen L. Pacholski
  • Patent number: 11261316
    Abstract: The present disclosure provides a plastic living hinge. The plastic living hinge includes a blend containing (A) an ethylene-based polymer; and (B) a composite component selected from the group consisting of a block composite, a crystalline block composite, and a combination thereof.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: March 1, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Yijian Lin, Yushan Hu, Todd A. Hogan, Colin Li Pi Shan, Keran Lu, Mridula Kapur
  • Publication number: 20220056250
    Abstract: The present invention provides polyethylene-based compositions suitable for packaging applications, films, and articles. In one aspect, a polyethylene-based composition suitable for packaging applications comprises (a) at least 97% by weight, based on the total weight of the polyethylene-based composition, of a polyethylene composition comprising: (i) from 25 to 37 percent by weight of a first polyethylene fraction having a density in the range of 0.935 to 0.947 g/cm3 and a melt index (I2) of less than 0.1 g/10 minutes; and (ii) from 63 to 75 percent by weight of a second polyethylene fraction; and (b) 90 to 540 ppm, based on the total weight of the polyethylene-based composition of a calcium salt of 1,2-cyclohexanedicarboxylic acid; wherein the polyethylene composition has less than 0.10 branches per 1,000 carbon atoms when measured using 13C NMR, wherein the density of the polyethylene-based composition N is at least 0.965 g/cm3, and wherein the melt index (I2) of the polyethylene-based composition is 0.
    Type: Application
    Filed: May 1, 2020
    Publication date: February 24, 2022
    Inventors: Andrew T. Heitsch, Sanjib Biswas, Mridula Kapur, Alexander Williamson, Philip P. Fontaine, Joshua B. Gaubert, Daniel W. Baugh, III, Jin Wang, Didem Oner-Deliormanli, Hitendra K. Singh, Shadid Askar, Arnaldo T. Lorenzo, Mehmet Demirors, Vivek Kalihari
  • Patent number: 11242422
    Abstract: The invention provides a process to form an olefin-based polymer, said process comprising polymerizing at least one olefin in the presence of at least one catalyst system comprising the reaction product of the following: A) at least one cocatalyst; and B) a procatalyst comprising a metal-ligand complex of Formula (I), as described herein:
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: February 8, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa, Mehmet Demirors, Mridula Kapur
  • Publication number: 20220002924
    Abstract: A nonwoven fabric comprises at least one fiber having a first component prepared from at least 75 wt. % of bimodalethylene/alpha-olefin interpolymer composition, wherein the ethylene/alpha-olefin interpolymer composition is characterized by: a density in the range of 0.930 to 0.965 g/cm3, a melt index (I2) in the range of from 10 to 60 g/10 minutes, wherein the I2 is measured according to ASTM D1238, 190 C, 2.16 kg, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (Mw(GPC)/Mn(GPC)) as determined by GPC of from 1.5 to 2.6, a tan delta at 1 radian/second of at least 45, a low temperature peak and a high temperature peak on an elution profile via improved comonomer composition distribution (ICCD) procedure, and a full width at half maximum of the high temperature peak is less than 6.0° C.
    Type: Application
    Filed: November 20, 2019
    Publication date: January 6, 2022
    Inventors: Mehmet DEMIRORS, Fabricio Arteaga LARIOS, Mridula KAPUR, Philip P. FONTAINE, David T. GILLESPIE, Yijian LIN, Lanhe ZHANG, Sanjib BISWAS, Eduardo ALVAREZ, Aleksandar STOILJKOVIC, Rajen M. PATEL
  • Patent number: 11208546
    Abstract: An ethylene-based resin comprising a high molecular weight component and a low molecular weight component, wherein the high molecular weight component comprises an ethylene/alpha-olefin copolymer or ethylene homopolymer, and has a density ranging from 0.940 g/cc to 0.960 g/cc, and a high load melt index (I21.6) ranging from 4 g/10 min to 15 g/10 min, and wherein the ethylene-based resin has: an overall density ranging from greater than 0.955 to less than or equal to 0.970 g/cc, an overall melt index (I2.16) ranging from 0.5 g/10 min to 7 g/10 min, and less than 0.2 vinyls per 1000 carbon atoms.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: December 28, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Mridula Kapur, Stephanie M. Whited, Mark T. Jablonka
  • Publication number: 20210301049
    Abstract: In various embodiments, a polyethylene formulation has a density of greater than 0.940 g/cm3 when measured according to ASTM D792, and a high load melt index (I21) of 1.0 g/10 min to 10.0 g/10 min when measured according to ASTM D1238 at 190° C. and a 21.6 kg load. Moreover, the polyethylene formulation has a peak molecular weight (Mp(GPC)) of less than 50,000 g/mol, a number average molecular weight (Mn(GPC)) of less than 30,000 g/mol, and a weight fraction (w1) of molecular weight (MW) less than 10,000 g/mol of less than or equal to 10.5 wt %, as determined by Gel Permeation Chromatography (GPC). Articles made from the polyethylene formulation, such as articles made by blow molding processes are also provided.
    Type: Application
    Filed: July 18, 2019
    Publication date: September 30, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Peter S. Martin, Yijian Lin, Angela I. Padilla-Acevedo, Roger L. Kuhlman, Shadid Askar, Mridula Kapur, Todd A. Hogan, Joel D. Wieliczko, Chuan C. He
  • Patent number: 11131130
    Abstract: The present disclosure provides a plastic living hinge. The plastic living hinge includes a blend containing (A) an ethylene-based polymer; (B) a propylene-based polymer; and (C) a composite component selected from the group consisting of a block composite, a crystalline block composite, and a combination thereof.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: September 28, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Yijian Lin, Yushan Hu, Todd A. Hogan, Colin LiPiShan, Keran Lu, Mridula Kapur
  • Publication number: 20200299491
    Abstract: The present disclosure provides formulation. The formulation contains a high density polyethylene composition containing (i) a high molecular weight component including an ethylene/a-olefin copolymer, the high molecular weight component having a density from 0.924 to 0.930 g/cc and a high load melt index (121) from 0.3 to 0.9 g/10 min; and (ii) a low molecular weight component including an ethylene-based polymer selected from the group consisting of an ethylene homopolymer and an ethylene/a-olefin copolymer. The high density polyethylene composition has (a) a density from 0.950 to 0.956 g/cc; (b) a high load melt index (121) from 15 to 28 g/10 min; (c) an 121/12 of at least 85; (d) a notched constant tensile load failure time at 35% yield stress of greater than 90 hours; and (e) an environmental stress crack resistance (ESCR) F0 value, according to ASTM D1693-condition B (100% IGEPAL), of greater than 2,000 hours.
    Type: Application
    Filed: December 11, 2018
    Publication date: September 24, 2020
    Inventors: Stephanie M. Whited, Siddharth Ram Athreya, Mridula Kapur, Alexander Stolarz, Adrianna Velasquez
  • Publication number: 20200254735
    Abstract: The present invention provides multilayer films. In some embodiments, multilayer films of the present invention are desirable for use in thermoforming applications. In one aspect, a multilayer film comprises a first layer comprising polypropylene, polyethylene, or blends thereof, a second layer comprising polypropylene, polyethylene, or blends thereof, and a third layer between the first layer and the second layer, the third layer comprising polypropylene, polyethylene, or blends thereof, wherein at least one of the layers further comprises a cyclic olefin copolymer and wherein the multilayer film comprises at least 1 weight percent and less than 5 weight percent cyclic olefin copolymer based on the total weight of the film.
    Type: Application
    Filed: December 13, 2016
    Publication date: August 13, 2020
    Inventors: Arnaldo Lorenzo, João Gargalaka, Jr., Fanny Deplace, Jorge C. Gomes, Mridula Kapur, Kumar N. Sanketh
  • Publication number: 20200255608
    Abstract: A uniaxially-oriented ethylene-based polymeric film having at least one layer comprising at least 65 wt. %, based on total amount of materials present in the at least one layer, of a linear low density polyethylene which exhibits each of the following properties: a CDBI of at least 60%; a melt index, 12, measured according to ASTM D 1238 (2.16 kg @190° C.), of 1.8 g/10 min to 10 g/10 min; a density of from 0.910 g/cc to 0.940 g/cc; and a Mw/Mn of less than 3.0.
    Type: Application
    Filed: October 8, 2018
    Publication date: August 13, 2020
    Inventors: Wu Aik Yee, Yijian Lin, Rajen M. Patel, Fabricio Arteaga Larios, Jacquelyn A. Degroot, Mridula Kapur, Yutaka Maehara
  • Patent number: 10696828
    Abstract: An ethylene/alpha-olefin copolymer composition having a density from 0.935 to 0.955 g/cc; a ratio of weight average molecular weight to number average molecular weight, Mw/Mn, of from 3 to 10; a z-average molecular weight, Mz, from 200 kg/mol to 500 kg/mol; and a PENT value of greater than 500 hours at 80° C. and 2.4 MPa; wherein when the composition is formed into a monolayer pipe the pipe has a pipe hydrostatic strength of greater than 100 hours at 20° C. and 12.0 MPa. Also provided is a pipe or pipe fitting comprising the ethylene/alpha-olefin copolymer composition.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: June 30, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Jian Wang, Mridula Kapur, Mehmet Demirors, Douglas S. Ginger, Philip P. Fontaine, Amaia Bastero, David Lopez
  • Publication number: 20200123355
    Abstract: The present disclosure provides a plastic living hinge. The plastic living hinge includes a blend containing (A) an ethylene-based polymer; and (B) a composite component selected from the group consisting of a block composite, a crystalline block composite, and a combination thereof.
    Type: Application
    Filed: June 25, 2018
    Publication date: April 23, 2020
    Inventors: Yijian Lin, Yushan Hu, Todd A. Hogan, Colin Li Pi Shan, Keran Lu, Mridula Kapur
  • Publication number: 20200123820
    Abstract: The present disclosure provides a plastic living hinge. The plastic living hinge includes a blend containing (A) an ethylene-based polymer; (B) a propylene-based polymer; and (C) a composite component selected from the group consisting of a block composite, a crystalline block composite, and a combination thereof.
    Type: Application
    Filed: June 18, 2018
    Publication date: April 23, 2020
    Inventors: Yijian Lin, Yushan Hu, Todd A. Hogan, Colin LiPiShan, Keran Lu, Mridula Kapur
  • Publication number: 20200109224
    Abstract: The invention provides a process to form an olefin-based polymer, said process comprising polymerizing at least one olefin in the presence of at least one catalyst system comprising the reaction product of the following: A) at least one cocatalyst; and B) a procatalyst comprising a metal-ligand complex of Formula (I), as described herein:
    Type: Application
    Filed: November 20, 2019
    Publication date: April 9, 2020
    Inventors: Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa, Mehmet Demirors, Mridula Kapur
  • Patent number: 10519260
    Abstract: The invention provides a process to form an olefin-based polymer, said process comprising polymerizing at least one olefin in the presence of at least one catalyst system comprising the reaction product of the following: A) at least one cocatalyst; and B) a procatalyst comprising a metal-ligand complex of Formula (I), as described herein: (Formula I).
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: December 31, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa, Mehmet Demirors, Mridula Kapur
  • Patent number: 10239974
    Abstract: The invention provides an ethylene-based polymer comprising the following properties: a) a ZSVR value from 1.2 to 2.6, b) a MWD from 1.5 to 2.8, and c) a tan delta (0.1 rad/s; 190 C) from 5.0 to 50.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: March 26, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Mridula Kapur, Mehmet Demirors, Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa