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).

  • Patent number: 9273219
    Abstract: The instant invention provides a polyolefin blend composition suitable for extrusion coating or extrusion lamination applications, and multilayer structure and articles made therefrom. The polyolefin blend composition suitable for extrusion coating or extrusion lamination applications according to the present invention comprises (a) a linear low density polyethylene composition comprising: less than or equal to 100 percent by weight of the units derived from ethylene; less than 35 percent by weight of units derived from one or more ?-olefin comonomers; wherein said polyethylene composition has a density in the range of 0.890 to 0.940 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 2.5 to 4.5, a melt index (I2) in the range of 4 to 30 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from 2.0 to 3, vinyl unsaturation of less than 0.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: March 1, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Jian Wang, Mridula Kapur, James L. Cooper
  • Patent number: 9243140
    Abstract: Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene/?-olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: January 26, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Kim L. Walton, Gary R. Marchand, Shrikant Dhodapkar, Mridula Kapur, Shaofu Wu
  • Publication number: 20150376311
    Abstract: A linear low density polyethylene composition suitable for injection molding applications comprising less than or equal to 100 percent by weight of the units derived from ethylene, less than 35 percent by weight of units derived from one or more ?-olefin comonomers, and characterized by its density, molecular weight distribution (Mw/Mn), a melt index (I2), a molecular weight distribution (Mz/Mw), vinyl unsaturation, and zero shear viscosity ratio (ZSVR). The linear low density polyethylene composition exhibits low hexane extractable levels.
    Type: Application
    Filed: June 27, 2014
    Publication date: December 31, 2015
    Inventors: David W. Kababik, Kathleen E. Pletcher, Jian Wang, Jason C. Brodil, Troy M. Tambling, Robert N. Reib, Mridula Kapur
  • Publication number: 20150353717
    Abstract: The invention provides a composition comprising the following components: A) a first composition, wherein the first composition comprises a first ethylene-based polymer and a second ethylene-based polymer, and wherein the ratio of the “high load melt index (I21) of the first composition” to the “high load melt index (I21) of the first ethylene-based polymer” is greater than, or equal to, 40, and B) one or more azide compounds present in an amount greater than, or equal to, 50 ppm, based on the weight of the first composition.
    Type: Application
    Filed: February 10, 2014
    Publication date: December 10, 2015
    Inventors: Stephanie M. Whited, Troy M. Tambling, Mridula Kapur, Sarah E. Patterson, Dane Chang, William J. Michie
  • Publication number: 20150344601
    Abstract: The instant invention provides an ethylene based polymer.
    Type: Application
    Filed: December 10, 2013
    Publication date: December 3, 2015
    Applicant: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Ruth Figueroa, Jerzy Klosin, Pulikkottil J. Thomas, Sylvie Desjardins, Mridula Kapur, Philip P. Fontaine
  • Publication number: 20150344602
    Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.
    Type: Application
    Filed: December 10, 2013
    Publication date: December 3, 2015
    Inventors: Mehmet Demirors, Ruth Figueroa, Jerzy Klosin, Pulikkottil J. Thomas, Sylvie Desjardins, Mridula Kapur, Philip P. Fontaine
  • Publication number: 20150344681
    Abstract: The instant invention provides a polyolefin composition suitable for injection molding applications, and method of making such injection molded articles. The polyolefin composition suitable for injection molding applications comprises: an ethylene/?-olefin interpolymer composition comprising: (a) from 25 to 50 percent by weight of a first ethylene/?-olefin copolymer fraction having a density in the range of from 0.924 to 0.937 g/cm3, a melt index (I2) in the range of from 0.03 to 0.3 g/10 min, (b) from 50 to 75 percent by weight of a second ethylene homopolymer fraction having a density in the range of from greater than 0.960 g/cm3, a melt index (I2) in the range of from 100 to 180 g/10 minutes, wherein said ethylene/?-olefin interpolymer composition has a density in the range of from 0.950 to 0.958 g/cm3, a melt index (I2) in the range of from 1.0 g/10 min to 3.5 g/10 min, a zero shear viscosity ratio (ZSVR) in the range of from 1.01 to 2.5, a molecular weight distribution (Mw/Mn) in the range of from 2.
    Type: Application
    Filed: December 27, 2013
    Publication date: December 3, 2015
    Inventors: Mridula Kapur, Mehmet Demirors, Philip P. Fontaine, Douglas S. Ginger, David T. Gillespie
  • Publication number: 20150337062
    Abstract: The instant invention provides an ethylene based polymer.
    Type: Application
    Filed: December 10, 2013
    Publication date: November 26, 2015
    Inventors: Mehmet Demirors, Ruth Figueroa, Jerzy Klosin, Pulikkottil J. Thomas, Sylvie Desjardins, Mridula Kapur, Philip P. Fontaine
  • Publication number: 20150337063
    Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.
    Type: Application
    Filed: December 10, 2013
    Publication date: November 26, 2015
    Inventors: Mehmet DEMIRORS, Ruth FIGUEROA, Jerzy KLOSIN, Pulikkottil J. THOMAS, Sylvie DESJARDINS, Mridula KAPUR, Philip P. FONTAINE
  • Publication number: 20150291713
    Abstract: The instant invention provides procatalysts and catalyst systems for olefin polymerization, olefin based polymers polymerized therewith, and process for producing the same. In one embodiment, the instant invention provides a procatalyst comprising a metal-ligand complex of formula (I).
    Type: Application
    Filed: December 10, 2013
    Publication date: October 15, 2015
    Inventors: Jerzy Klosin, Ruth Figueroa, Pulikkottil J. Thomas, Mehmet Demirors, Sylvie Desjardins, Mridula Kapur, Philip P. Fontaine
  • Publication number: 20150284523
    Abstract: The instant invention provides a polyethylene composition suitable for film applications and film made therefrom. The linear low density polyethylene composition suitable for film applications according to the present invention comprises: less than or equal to 100 percent by weight of the units derived from ethylene; and less than 35 percent by weight of units derived from one or more ?-olefin comonomers; wherein said linear low density polyethylene composition has a density in the range of from 0.890 to 0.915 g/cm3, a molecular weight distribution (Mw/Mn) in the range of from 2.5 to 4.5, a melt index (12) in the range of from 2 to 10 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from 2.2 to 3, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition, and a zero shear viscosity ratio (ZSVR) in the range from 1 to 1.2.
    Type: Application
    Filed: November 19, 2013
    Publication date: October 8, 2015
    Inventors: Mridula Kapur, Jian Wang, Yijian Lin, Troy M. Tambling, Robert N. Reib
  • Publication number: 20150259445
    Abstract: The instant invention provides a linear low density polyethylene composition suitable for film applications, and films made therefrom. The linear low density polyethylene composition suitable for film applications comprises: (a) less than or equal to 100 percent by weight of the units derived from ethylene; and (b) less than 35 percent by weight of units derived from one or more ?-olefin comonomers; wherein said linear low density polyethylene composition has a density in the range of 0.905 to 0.925 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 2.5 to 4.5, a melt index (I2) in the range of 0.1 to 3 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from 2.2 to 3, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition, and a zero shear viscosity ratio (ZSVR) in the range from 1 to 1.2.
    Type: Application
    Filed: October 1, 2013
    Publication date: September 17, 2015
    Applicant: Dow Global Technologies LLC
    Inventors: Mridula Kapur, Jian Wang, Ayush A. Bafna, Troy M. Tambling, Robert N. Reib
  • Publication number: 20150259586
    Abstract: The instant invention provides a polyolefin composition suitable for sealant applications, sealant compositions, method of producing the same, and films and multilayer structures made therefrom. The polyolefin composition suitable for sealant applications according to the present invention comprises: an ethylene/?-olefin interpolymer composition having a Comonomer Distribution Constant (CDC) in the range of from 40 to 110, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) in the range of from 1.01 to 2.0; a density in the range of from 0.908 to 0.922 g/cm3, a melt index (I2 at 190° C./2.16 kg) in the range of from 0.5 to 5.0g/10 minutes, a molecular weight distribution (defined as the weight average molecular weight divided by the number average molecular weight, Mw/Mn) in the range of from 2.0 to 4.0, and tan delta at 0.1 radian/second, determined at 190 ° C.
    Type: Application
    Filed: September 30, 2013
    Publication date: September 17, 2015
    Inventors: Mridula Kapur, Mehmet Demirors, Jain Pradeep, Joshua Gaubert, Douglas S. Ginger, Mustafa Bilgen, Gagan Saini, Michael D. Turner
  • Publication number: 20150240000
    Abstract: The instant invention provides a polyethylene composition suitable for stretch film applications and, method of producing the same, and cast film made therefrom. The linear low density polyethylene composition suitable for stretch film applications according to the present invention comprises: less than or equal to 100 percent by weight of the units derived from ethylene; and less than 35 percent by weight of units derived from one or more ?-olefin comonomers; wherein said linear low density polyethylene composition has a density in the range of from 0.900 to 0.930 g/cm3, a molecular weight distribution (Mw/Mn) in the range of from 2.5 to 4.5, a melt index (I2) in the range of from 0.3 to 10 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from 2.2 to 3, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition, and a zero shear viscosity ratio (ZSVR) in the range from 1 to 1.2.
    Type: Application
    Filed: October 1, 2013
    Publication date: August 27, 2015
    Inventors: Jian Wang, Mridula Kapur, Yijian Lin, Lawrence J. Effler, JR., Troy M. Tambling, Robert N. Reib
  • Publication number: 20150232680
    Abstract: The instant invention provides a polyolefin blend composition suitable for extrusion coating or extrusion lamination applications, and multilayer structure and articles made therefrom. The polyolefin blend composition suitable for extrusion coating or extrusion lamination applications according to the present invention comprises (a) a linear low density polyethylene composition comprising: less than or equal to 100 percent by weight of the units derived from ethylene; less than 35 percent by weight of units derived from one or more ?-olefin comonomers; wherein said polyethylene composition has a density in the range of 0.890 to 0.940 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 2.5 to 4.5, a melt index (I2) in the range of 4 to 30 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from 2.0 to 3, vinyl unsaturation of less than 0.
    Type: Application
    Filed: October 1, 2013
    Publication date: August 20, 2015
    Inventors: Jian Wang, Mridula Kapur, James L. Cooper
  • Publication number: 20150232711
    Abstract: The instant invention provides a sealant composition, method of producing the same, film layers and multilayer structures made therefrom. The linear low density polyethylene composition suitable for sealant applications according to the present invention comprises: less than or equal to 100 percent by weight of the units derived from ethylene; less than 35 percent by weight of units derived from one or more ?-olefin comonomers; wherein said linear low density polyethylene composition has a density in the range of 0.900 to 0.920 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 2.5 to 4.5, a melt index (I2) in the range of 0.5 to 3 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from 2.2 to 3, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition, and a zero shear viscosity ratio (ZSVR) in the range from 1.0 to 1.2.
    Type: Application
    Filed: October 1, 2013
    Publication date: August 20, 2015
    Inventors: Mridula Kapur, Jian Wang, Gagan Saini, Mustafa Bilgen, Troy M. Tambling, Robert N. Reib
  • Patent number: 9102819
    Abstract: The instant invention provides a polyolefin composition suitable for injection molding applications, and method of making such injection molded articles. The polyolefin composition suitable for injection molding applications comprises: an ethylene/?-olefin interpolymer composition comprising: (a) from 25 to 50 percent by weight of a first ethylene/?-olefin copolymer fraction having a density in the range of from 0.924 to 0.937 g/cm3, a melt index (I2) in the range of from 0.03 to 0.3 g/10 min, (b) from 50 to 75 percent by weight of a second ethylene homopolymer fraction having a density in the range of from greater than 0.960 g/cm3, a melt index (I2) in the range of from 100 to 180 g/10 minutes, wherein said ethylene/?-olefin interpolymer composition has a density in the range of from 0.950 to 0.958 g/cm3, a melt index (I2) in the range of from 1.0 g/10 min to 3.5 g/10 min, a zero shear viscosity ratio (ZSVR) in the range of from 1.01 to 2.5, a molecular weight distribution (Mw/Mn) in the range of from 2.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: August 11, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Mridula Kapur, Mehmet Demirors, Philip P. Fontaine, Douglas S. Ginger, David T. Gillespie
  • Publication number: 20150210840
    Abstract: The instant invention provides a polyolefin blend composition suitable for film applications, and films made therefrom. The polyolefin blend suitable for film applications according to the present invention comprises: (a) a linear low density polyethylene composition comprising: g: (i) less than or equal to 100 percent by weight of the units derived from ethylene; and (ii) less than 35 percent by weight of units derived from one or more ?-olefin comonomers; wherein said linear low density polyethylene composition has a density in the range of 0.905 to 0.925 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 2.5 to 4.5, a melt index (I2) in the range of 0.1 to 3 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from 2.2 to 3, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition, and a zero shear viscosity ratio (ZSVR) in the range from 1 to 1.
    Type: Application
    Filed: October 1, 2013
    Publication date: July 30, 2015
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Mridula Kapur, Jian Wang, Ayush A. Bafna
  • Publication number: 20150203672
    Abstract: The invention provides a composition comprising a first composition, wherein the first composition comprises a first ethylene-based polymer and a second ethylene-based polymer, and wherein the first composition has a high load melt index (I21) less than 17, a density greater than, or equal to, 0.952 g/cm3, a molecular weight distribution MWD (conv), defined as the ratio of the weight average molecular weight to the number average molecular weight (Mw(conv)/Mn(conv)), greater than, or equal to, 11; and a viscosity ratio, ?(0.01 s?1)/?(100 s?1) at 190° C., greater than, or equal to, 60.
    Type: Application
    Filed: September 12, 2013
    Publication date: July 23, 2015
    Inventors: Mridula Kapur, Troy M. Tambling, Stephanie M. Whited
  • Publication number: 20150148490
    Abstract: The instant invention provides a polyolefin composition suitable for packaging applications, films, multilayer structures and packaging devices made therefrom. The polyolefin composition according to the present invention comprises: an ethylene/?-olefin interpolymer composition comprising (a) from 50 to 75 percent by weight of a first ethylene/?-olefin copolymer fraction having a density in the range of 0.894 to 0.908 g/cm3, a melt index (I2) in the range of from 0.2 to 1 g/10 minutes, and (b) from 25 to 50 percent by weight of a second ethylene/?-olefin copolymer fraction, and wherein said ethylene/?-olefin interpolymer composition has a density in the range of 0.910 to 0.924 g/cm3, a melt index (I2) in the range of from 0.5 to 2 g/10 minutes, a zero shear viscosity ratio (ZSVR) in the range of from 1.15 to 2.5, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (Mw/Mn) in the range of from 2.0 to 4.0, and tan delta at 0.
    Type: Application
    Filed: December 27, 2013
    Publication date: May 28, 2015
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Mridula Kapur, Mehmet Demirors, Pradeep Jain, Philip P. Fontaine, Douglas S. Ginger, David T. Gillespie, Mustafa Bilgen