Patents by Inventor Mridula (Babli) Kapur

Mridula (Babli) 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: 20230106941
    Abstract: Polyethylene formulations and articles produced therefrom, comprise a multimodal high density polyethylene (HDPE) composition, and 0.1 ppm to 300 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm3 to 0.970 g/cm3 when measured according to ASTM D792, and a melt index (I2) of 0.1 g/10 min. to 10.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDFIR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDFIR/CDFLS) from 0.7 to 2.0.
    Type: Application
    Filed: October 6, 2022
    Publication date: April 6, 2023
    Applicant: Dow Global Technologies LLC
    Inventors: Yijian Lin, John L. Sugden, Mridula Babli Kapur, David T. Gillespie
  • Patent number: 11466147
    Abstract: The present disclosure provides a composition containing a polymeric blend. The polymeric blend contains (A) from 50 wt % to 90 wt % of a first ethylene-based polymer having a density from 0.895 g/cc to 0.905 g/cc; and a melt index from 0.1 g/10 min to 50 g/10 min; (B) from 8 wt % to 48 wt % of a second ethylene-based polymer having a density from 0.935 g/cc to 0.967 g/cc; and a melt index from 0.1 g/10 min to 180 g/10 min; and from 0.01 wt % to 2.0 wt % of a slip agent, based on the total weight of the polymeric blend. The polymeric blend has (i) an overall density from 0.900 g/cc to 0.925 g/cc; and (ii) a coefficient of friction (COF) after aging for 1 week at 60° C. from 0.001 to 0.400. The present disclosure also provides a multilayer film with a first layer containing the composition.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: October 11, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Rahul Sharma, Jong-Young Lee, Jeffrey D. Weinhold, Mridula Babli Kapur
  • Publication number: 20220169762
    Abstract: A bimodal poly(ethylene-co-1-alkene) copolymer comprising a higher molecular weight poly(ethylene-co-1-alkene) copolymer component and a lower molecular weight poly(ethylene-co-1-alkene) copolymer component. The copolymer is characterized by a unique combination of features comprising, or reflected in, its density; molecular weight distributions; component weight fraction amount; viscoelastic properties; and environmental stress-cracking resistance. Additional inventive embodiments include a method of making the copolymer, a formulation comprising the copolymer and at least one additive that is different than the copolymer, a method of making a manufactured article from the copolymer or formulation; the manufactured article made thereby, and use of the manufactured article.
    Type: Application
    Filed: April 28, 2020
    Publication date: June 2, 2022
    Inventors: Shadid Askar, Peter S. Martin, Bo Liu, John F. Szul, Roger L. Kuhlman, Mridula Babli Kapur
  • Publication number: 20220162358
    Abstract: A bimodal poly(ethylene-co-1-alkene) copolymer comprising a higher molecular weight poly(ethylene-co-1-alkene) copolymer component and a lower molecular weight poly(ethylene-co-1-alkene) copolymer component. The copolymer is characterized by a unique combination of features comprising, or reflected in, its density; molecular weight distributions; component weight fraction amount; and viscoelastic properties; and at least one of environmental stress-cracking resistance and resin swell. Additional inventive embodiments include a method of making the copolymer, a formulation comprising the copolymer and at least one additive that is different than the copolymer, a method of making a manufactured article from the copolymer or formulation; the manufactured article made thereby, and use of the manufactured article.
    Type: Application
    Filed: April 28, 2020
    Publication date: May 26, 2022
    Inventors: Shadid Askar, Peter S. Martin, Bo Liu, John F. Szul, Roger L. Kuhlman, Mridula Babli Kapur
  • Patent number: 11046841
    Abstract: Polyethylene formulations, articles produced therefrom, and methods of making articles are provided. The polyethylene formulation includes a multimodal high density polyethylene (HDPE) composition, and 1 ppm to 10,000 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm3 to 0.970 g/cm3 when measured according to ASTM D792, and a melt index (I2) of 0.01 g/10 min. to 1.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDFIR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDFIR/CDFLS) from 0.7 to 2.0.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: June 29, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Yijian Lin, Mridula Babli Kapur, David T. Gillespie, John L. Sugden, Todd A. Hogan
  • Publication number: 20210079130
    Abstract: A zirconocene-titanocene catalyst system comprising a zirconocene catalyst and a titanocene catalyst; polyolefins; methods of making and using same; and articles containing same.
    Type: Application
    Filed: December 13, 2018
    Publication date: March 18, 2021
    Inventors: Linfeng Chen, David M. Pearson, Micchael W. Tilston, Mridula Babli Kapur, Robert N. Reib, Stephanie M. Whited
  • Publication number: 20210079129
    Abstract: A hafnocene-titanocene catalyst system comprising a hafnocene catalyst and a titanocene catalyst; polyolefins; methods of making and using same; and articles containing same.
    Type: Application
    Filed: December 13, 2018
    Publication date: March 18, 2021
    Inventors: Linfeng Chen, David M. Pearson, Michael W. Tilston, Mridula Babli Kapur, Robert N. Reib, Stephanie M. Whited
  • Publication number: 20200277474
    Abstract: Polyethylene formulations, articles produced therefrom, and methods of making articles are provided. The polyethylene formulation includes a multimodal high density polyethylene (HDPE) composition, and 1 ppm to 10,000 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm3 to 0.970 g/cm3 when measured according to ASTM D792, and a melt index (I2) of 0.01 g/10 min. to 1.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDFIR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDFIR/CDFLS) from 0.7 to 2.0.
    Type: Application
    Filed: December 15, 2016
    Publication date: September 3, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Yijian Lin, Mridula Babli Kapur, David T. Gillespie, John L. Sugden, Todd A. Hogan
  • Publication number: 20200131351
    Abstract: The present disclosure provides a composition containing a polymeric blend. The polymeric blend contains (A) from 50 wt % to 90 wt % of a first ethylene-based polymer having a density from 0.895 g/cc to 0.905 g/cc; and a melt index from 0.1 g/10 min to 50 g/10 min; (B) from 8 wt % to 48 wt % of a second ethylene-based polymer having a density from 0.935 g/cc to 0.967 g/cc; and a melt index from 0.1 g/10 min to 180 g/10 min; and from 0.01 wt % to 2.0 wt % of a slip agent, based on the total weight of the polymeric blend. The polymeric blend has (i) an overall density from 0.900 g/cc to 0.925 g/cc; and (ii) a coefficient of friction (COF) after aging for 1 week at 60° C. from 0.001 to 0.400. The present disclosure also provides a multilayer film with a first layer containing the composition.
    Type: Application
    Filed: June 4, 2018
    Publication date: April 30, 2020
    Inventors: Rahul Sharma, Jong-Young Lee, Jeffrey D. Weinhold, Mridula Babli Kapur
  • Patent number: 10370527
    Abstract: A polyethylene composition suitable for use in a living hinge component, the composition comprising a first ethylene-based polymer component, the first ethylene-based polymer component has a density of from 0.91.5 g/cc to less than 0.940 g/cc. and a melt index, I2.16, of less than 5 g/10 min. and a second ethylene-based polymer component, wherein the composition has an overall density of from 0.945 g/cc to 0.960 g/cc and an overall melt index, I2.16, of from 5 g/10 min to 20 g/10 min.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: August 6, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Stephanie M. Whited, Mridula Babli Kapur, Yijian Lin
  • Publication number: 20180371217
    Abstract: Polyethylene formulations and articles produced therefrom, comprise a multimodal high density polyethylene (HDPE) composition, and 0.1 ppm to 300 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm3 to 0.970 g/cm3 when measured according to ASTM D792, and a melt index (I2) of 0.1 g/10 min. to 10.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDFIR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDFIR/CDFLS) from 0.7 to 2.0.
    Type: Application
    Filed: December 15, 2016
    Publication date: December 27, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Lin Yijian, John L. Sugden, Mridula Babli Kapur, David T. Gillespie
  • Patent number: 9873958
    Abstract: Fibers made a polyethylene composition, and method of making the same. The polyethylene composition comprises less than or equal to 100 percent by weight of the units derived from ethylene and less than 20 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 0.960 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 1 to 300 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of less than 2.5, a shear viscosity in the range of 20 to 250 Pascal-s at 3000 s?1 shear rate measured at 190° C., vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition; and wherein the fiber is a monocomponent meltspun fiber.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: January 23, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Randy E. Pepper, Mridula Babli Kapur, Gert J. Claasen, Edward N. Knickerbocker, Nathan J. Wiker, William J. Michie, Jr., Mark B. Davis
  • Publication number: 20170342244
    Abstract: A polyethylene composition suitable for use in a living hinge component, the composition comprising a first ethylene-based polymer component, the first ethylene-based polymer component has a density of from 0.91.5 g/cc to less than 0.940 g/cc. and a melt index, I2.16, of less than 5 g/10 min. and a second ethylene-based polymer component, wherein the composition has an overall density of from 0.945 g/cc to 0.960 g/cc and an overall melt index, I2.16, of from 5 g/10 min to 20 g/10 min.
    Type: Application
    Filed: November 5, 2015
    Publication date: November 30, 2017
    Inventors: Stephanie M. Whited, Mridula Babli Kapur, Yijian Lin
  • Publication number: 20170159211
    Abstract: Fibers made a polyethylene composition, and method of making the same. The polyethylene composition comprises less than or equal to 100 percent by weight of the units derived from ethylene and less than 20 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 0.960 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 1 to 300 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of less than 2.5, a shear viscosity in the range of 20 to 250 Pascal-s at 3000 s?1 shear rate measured at 190° C., vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition; and wherein the fiber is a monocomponent meltspun fiber.
    Type: Application
    Filed: February 20, 2017
    Publication date: June 8, 2017
    Inventors: Randy E. Pepper, Mridula Babli Kapur, Gert J. Claasen, Edward N. Knickerbocker, Nathan J. Wiker, William J. Michie, JR., Mark B. Davis
  • Publication number: 20170101495
    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: Application
    Filed: June 29, 2015
    Publication date: April 13, 2017
    Inventors: Mridula Babli Kapur, Mehmet Demirors, Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa
  • Publication number: 20170101494
    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: Application
    Filed: June 29, 2015
    Publication date: April 13, 2017
    Applicant: 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 Babli Kapur
  • Publication number: 20170081444
    Abstract: The invention provides a composition comprising a first composition, comprising at least one ethylene-based polymer, and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio I10/I2 that meets the following equation: I10/I2?7.0?1.2×log (I2). The invention also provides a process to form a composition comprising at least two ethylene-based polymers, said process comprising the following: polymerizing ethylene, and optionally at least one comonomer, in solution, in the presence of a catalyst system comprising a metal-ligand complex of Structure I, as described herein, to form a first ethylene-based polymer; and polymerizing ethylene, and optionally at least one comonomer, in the presence of a catalyst system comprising a Ziegler/Natta catalyst, to form a second ethylene-based polymer.
    Type: Application
    Filed: June 26, 2015
    Publication date: March 23, 2017
    Inventors: Jian Wang, Pradeep Jain, Mehmet Demirors, Douglas S. Ginger, Anthony J. Castelluccio, Mridula Babli Kapur
  • Patent number: 9175111
    Abstract: The invention provides a composition comprising a blend, which comprises a high molecular weight ethylene-based polymer, and a low molecular weight ethylene-based polymer, and wherein the high molecular weight ethylene-based polymer has a density less than, or equal to, 0.955 g/cm3, and wherein the blend has a high load melt index (I21) greater than, or equal to, 15 g/10 min, and wherein the blend has a molecular weight distribution (Mw/Mn) greater than, or equal to, 15. The invention also provides a composition comprising a blend, which comprises a high molecular weight ethylene-based polymer and a low molecular weight ethylene-based polymer, and wherein the high molecular weight ethylene-based polymer component has a density less than, or equal to, 0.945 g/cm3, and a melt index (I2) less than, or equal to, 0.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: November 3, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Mridula (Babli) Kapur, Robert J. Jorgensen, Burkhard E. Wagner, William J. Michie, Jr.
  • Patent number: 8129472
    Abstract: The invention provides compositions for blow molding applications and other applications, where such compositions comprise a high molecular weight ethylene interpolymer and a low molecular weight ethylene polymer, and where the high molecular weight ethylene interpolymer has a density from 0.920 g/cm3 to 0.950 g/cm3, and an I21 from 0.05 to 1 dg/min, and where the low molecular weight ethylene polymer has density from 0.965 g/cm3 to 0.985 g/cm3, and an I2 from 600 to 2000 dg/min. The composition has a density from 0.950 g/cm3 to 0.970 g/cm3, and comprises greater from 45 to 80 weight percent of the high molecular component, and from 20 to 55 weight percent of the low molecular weight component, based on the sum weight of the high molecular weight component and the low molecular weight component. The invention also provides for methods of preparing said compositions and for articles prepared from the same.
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: March 6, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Michael D. Turner, Mridula (Babli) Kapur
  • Publication number: 20100056727
    Abstract: The invention provides compositions for blow molding applications and other applications, where such compositions comprise a high density ethylene polymer and a high molecular weight ethylene polymer. In these compositions, the high density ethylene polymer has a density greater than the density of the high molecular weight ethylene polymer, and the high molecular weight ethylene polymer has a weight average molecular weight greater than the weight average molecular weight of the high density ethylene polymer, and in addition, the high density ethylene polymer has a density from 0.94 g/cm3 to 0.98 g/cm3, and a molecular weight distribution, Mw/Mn, greater than 8, and the high molecular weight ethylene polymer has a weight average molecular weight greater than 200,000 g/mole, and a molecular weight ratio, Mz/Mw, less than 5.
    Type: Application
    Filed: August 18, 2006
    Publication date: March 4, 2010
    Applicant: DOW GLOBAL TECHNOLOGIES INC.
    Inventors: Colin LiPiShan, Mridula (Babli) Kapur, Stephane Costeux, David T. Gillespie