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: 20180009958
    Abstract: The instant invention provides procatalysts and catalyst systems for olefin polymerization, olefin based polymers polymerized therewith, and process for producing the same.
    Type: Application
    Filed: July 18, 2017
    Publication date: January 11, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Ruth Figueroa, Pulikkottil J. Thomas, Mehmet Demirors, Sylvie Desjardins, Mridula Kapur, Philip P. Fontaine
  • Patent number: 9834712
    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 5.0 g/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: Grant
    Filed: September 30, 2013
    Date of Patent: December 5, 2017
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Mridula Kapur, Mehmet Demirors, Jain Pradeep, Joshua Gaubert, Douglas S. Ginger, Mustafa Bilgen, Gagan Saini, Michael D. Turner
  • Patent number: 9765164
    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: Grant
    Filed: June 27, 2014
    Date of Patent: September 19, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: David W. Kababik, Kathleen E. Pletcher, Jian Wang, Jason C. Brodil, Troy M. Tambling, Robert N. Reib, Mridula Kapur
  • Patent number: 9751998
    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: Grant
    Filed: December 10, 2013
    Date of Patent: September 5, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Ruth Figueroa, Pulikkottil J. Thomas, Mehmet Demirors, Sylvie Desjardins, Mridula Kapur, Philip P. Fontaine
  • Publication number: 20170210891
    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: Application
    Filed: August 25, 2015
    Publication date: July 27, 2017
    Inventors: Mridula Kapur, Stephanie M. Whited, Mark T. Jablonka
  • Patent number: 9663642
    Abstract: The instant invention discloses fibers. The fibers according to the instant invention comprise a polyethylene composition comprising: (a) less than or equal to 100 percent by weight of the units derived from ethylene; and (b) less than 20 percent by weight of units derived from one or more ?-olefin comonomers; wherein the polyethylene composition has a density in the range of 0.920 to 0.970 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 1.70 to 3.5, a melt index (I2) in the range of 0.2 to 1000 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of less than 2.5, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the composition.
    Type: Grant
    Filed: July 9, 2009
    Date of Patent: May 30, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Randy E. Pepper, Mridula Kapur, Gert J. Claasen, Edward N. Knickerbocker, Nathan J. Wiker, William J. Michie, Jr., Mark B. Davis
  • Patent number: 9631059
    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: Grant
    Filed: December 27, 2013
    Date of Patent: April 25, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Mridula Kapur, Pradeep Jain, Philip P. Fontaine, Douglas S. Ginger, David T. Gillespie, Mustafa Bilgen
  • Publication number: 20170066859
    Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.
    Type: Application
    Filed: November 21, 2016
    Publication date: March 9, 2017
    Inventors: Mehmet Demirors, Ruth Figueroa, Jerzy Klosin, Pulikkottil J. Thomas, Sylvie Desjardins, Mridula Kapur, Philip P. Fontaine
  • Publication number: 20170066858
    Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.
    Type: Application
    Filed: November 21, 2016
    Publication date: March 9, 2017
    Inventors: Mehmet Demirors, Ruth Figueroa, Jerzy Klosin, Pulikkottil J. Thomas, Sylvie Desjardins, Mridula Kapur, Philip P. Fontaine
  • Patent number: 9574064
    Abstract: The invention provides a process for injection blow molding an article, said process comprising injecting into a mold cavity a composition, comprising at least one ethylene-based polymer and less than, or equal to, 1000 ppm of a mold release agent, based on the total weight of the composition. The invention also provides a composition comprising a blend, wherein the blend comprises at least one high molecular weight (HMW) ethylene-based polymer, and at least one low molecular weight (LMW) ethylene-based polymer, and wherein the blend has an unsaturation level, as determined by IR, and expressed as vinyls per 1000 carbon atoms, less than, or equal to, 0.5 vinyls per 1000 carbon atoms, and wherein the high molecular weight (HMW) ethylene-based polymer has a density from 0.925 to 0.950 g/cc.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: February 21, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Mridula Kapur, Alan T. Radwanski
  • Patent number: 9527940
    Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: December 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Ruth Figueroa, Jerzy Klosin, Pulikkottil J. Thomas, Sylvie Desjardins, Mridula Kapur, Philip P. Fontaine
  • Patent number: 9527941
    Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: December 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Ruth Figueroa, Jerzy Klosin, Pulikkottil J. Thomas, Sylvie Desjardins, Mridula Kapur, Philip P. Fontaine
  • Publication number: 20160194464
    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: July 7, 2016
    Inventors: Mehmet Demirors, Mridula Kapur, Pradeep Jian, Philip P. Fontaine, Douglas S. Ginger, David T. Gillespie, Mustafa Bilgen
  • Publication number: 20160068623
    Abstract: A polyethylene composition comprising at least 95 percent by weight of the units derived from ethylene; less than 5 percent by weight of units derived from one or more ?-olefin comonomers; wherein said polyethylene composition has a density in the range of 0.930 to 0.945 g/cm3, a molecular weight distribution characterized by the ratio of the z-average molecular weight to the weight average molecular weight (Mz/Mw) less than 5, a melt index, I2 (measured at 190° C., 2.16 kg), in the range of 0.08 to 0.5 g/10 minutes, and a high flow melt index, I21 (measured at 190° C., 21.
    Type: Application
    Filed: April 22, 2014
    Publication date: March 10, 2016
    Inventors: Mridula Kapur, Mark Davis
  • 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: 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: 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