Patents by Inventor Ronald Wevers

Ronald Wevers 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: 12145344
    Abstract: The present invention relates to oriented, multilayer polyethylene films. In one aspect, a biaxially oriented, multilayer polyethylene film comprises at least one layer comprising: (1) a polyethylene-based composition that 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) 20 to 5000 ppm, based on the total weight of the polyethylene-based composition of a nucleating agent, wherein the nucleating agent comprises a calcium salt of 1,2-cyclohexanedicarboxylic acid or sodium 4-[(4-chlorobenzoyl) amino] benzoate; wherein the polyethylene composition has less than 0.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: November 19, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Karlheinz Hausmann, Justice Alaboson, Jian Wang, Brayden E. Glad, Ronald Wevers, Sanjib Biswas, Andrew T. Heitsch, Mridula Kapur, Didem Oner-Deliormanli, Joshua B. Gaubert, Alexander Williamson, Mehmet Demirors
  • Patent number: 12104050
    Abstract: The present disclosure provides for a bicomponent fiber that includes a first region formed of a condensation polymer and a second region formed from a polyethylene blend. The polyethylene blend includes (i) an ethylene-based polymer having a density of 0.920 g/cm3 to 0.970 g/cm3 and a melt index, I2, as determined by ASTM D1238 at 190° C. and 2.16 kg of 0.5 to 150 g/10 minutes; (ii) a maleic anhydride-grafted polyethylene; and (iii) an inorganic Brønsted-Lowry acid having an acid strength pKa value at 25° C. of 1 to 6.5, wherein the polyethylene blend has a 0.03 to 0.5 weight percent of grafted maleic anhydride based on the total weight of the polyethylene blend. The first region is a core region of the bicomponent fiber and the second region is a sheath region of the bicomponent fiber, where the sheath region surrounds the core region.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: October 1, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Fabricio Arteaga Larios, Brian W. Walther, Jill M. Martin, Ronald Wevers, Robert W. Bell
  • Publication number: 20240318360
    Abstract: Provided are bicomponent fibers with curvature. The bicomponent fiber includes a first region and a second region. The first region includes a polypropylene blend and second region includes an ethylene/alpha-olefin interpolymer composition. The polypropylene blend includes a polypropylene homopolymer and a propylene-ethylene interpolymer, wherein the propylene-ethylene interpolymer has a density of from 0.860 to 0.880 g/cc and a melt flow rate of greater than 12 g/10 min. The ethylene/alpha-olefin interpolymer composition has a density of greater than 0.920 g/cc and a melt index (I2) of from 10 to 25 g/10 min. The bicomponent fiber can be used to form a nonwoven.
    Type: Application
    Filed: August 18, 2022
    Publication date: September 26, 2024
    Inventors: Akanksha Garg, Yijan Lin, Lanhe Zhang, Ronald Wevers
  • Publication number: 20240316906
    Abstract: The present invention relates to oriented, multilayer polyethylene films. In one aspect, a biaxially oriented, multilayer polyethylene film comprises: at least one inner layer comprising: (1) a polyethylene-based composition that comprises: (a) at least 97% by weight, based on the total weight of the polyethylene-based composition, of one or more polyethylenes having a density between 0.926 g/cm3 to 0.970 g/cm3 and a melt index (I2) between 0.1 to 10 g/10 min; (b) 20 to 5000 ppm, based on the total weight of the polyethylene-based composition of a sorbitol acetal derivative comprising the structure of formula (I): wherein R1-R5 comprise the same or different moieties chosen from hydrogen and a C1-C3 alkyl.
    Type: Application
    Filed: November 11, 2020
    Publication date: September 26, 2024
    Inventors: Karlheinz Hausmann, Justice Alaboson, Jian Wang, Brayden E. Glad, Ronald Wevers, Sanjib Biswas, Andrew T. Heitsch, Mridula Kapur, Didem Oner-Deliormanli, Joshua B. Gaubert, Alexander Williamson, Mehmet Demirors
  • Patent number: 11945194
    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: Grant
    Filed: December 10, 2019
    Date of Patent: April 2, 2024
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Ronald Wevers, Raul Sharma, Kyle E. Hart, Mridula Kapur, Michaeleen L. Pacholski
  • Publication number: 20240100812
    Abstract: The present disclosure provides a flexible pouch. In an embodiment, the flexible pouch includes a first layer structure and a second layer structure. Each layer structure includes (i) an inner liner and (ii) an outer sheath. The first layer structure is superimposed on the second layer structure such that the inner liners oppose each other. The first layer structure superimposed upon the second layer structure defines a common peripheral edge. Each inner liner is composed of a flexible film of a polymeric material. Each outer sheath is composed of a post-consumer recycle (PCR) polymer material. The PCR polymer material has a GI200 value greater than 50. The flexible pouch includes a peripheral seal. The peripheral seal extends along at least a portion of the common peripheral edge. The peripheral seal seals the first layer structure to the second layer structure.
    Type: Application
    Filed: October 6, 2020
    Publication date: March 28, 2024
    Inventors: Brian W. Walther, Jessica L. Rogers, Ronald Wevers
  • Publication number: 20230264404
    Abstract: The present invention relates to multilayer films. In one aspect, a multilayer film comprises a first polyethylene composition having a density of at least 0.965 g/cm3 and as further described herein and a second polyethylene composition having a density of 0.924 g/cm3 to 0.936 g/cm3 and as further described herein, wherein the multilayer film comprises 40 weight percent or less of the first polyethylene composition based on the total weight of the multilayer film.
    Type: Application
    Filed: October 4, 2021
    Publication date: August 24, 2023
    Inventors: Gianna Buaszczyk, Bruno Cesar De Moraes Barbosa, Nicolas C. Mazzola, Rahul Sharma, Ronald Wevers
  • Publication number: 20230257919
    Abstract: Provided are bicomponent fibers. The bicomponent fiber comprises a first region and a second region. The first region comprises a first ethylene/alpha-olefin interpolymer, and the second region comprises a second ethylene/alpha-olefin interpolymer. The first ethylene/alpha-olefin interpolymer has a highest peak melting temperature (Tm) less than 130° C. and at least 3.5° C. greater than a highest peak melting temperature of the second ethylene/alpha-olefin interpolymer. The bicomponent fibers can be used for forming nonwovens that in aspect have improved tensile strength, elongation at break, and/or abrasion resistance.
    Type: Application
    Filed: May 6, 2021
    Publication date: August 17, 2023
    Inventors: Yijian Lin, Lanhe Zhang, Ronald Wevers, Fabricio Arteaga Larios
  • Patent number: 11667776
    Abstract: The present disclosure provides a fiber and fabrics made therefrom. In an embodiment, a fiber is provided and includes an odor control composition. The odor control composition includes (A) from 85 wt % to 99.5 wt % of an olefin-based polymer and (B) from 15 wt % to 0.5 wt % of an odor suppressant. The odor suppressant includes: (i) an ionomer, (ii) particles of zinc oxide, and (iii) particles of copper oxide.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: June 6, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Scott T. Matteucci, Jeffrey E. Bonekamp, Arkady L. Krasovskiy, Kefu Sun, Keran Lu, Ronald Wevers
  • Publication number: 20230118316
    Abstract: The present invention relates to oriented, multilayer polyethylene films. In one aspect, a biaxially oriented, multilayer polyethylene film comprises at least one layer comprising: (1) a polyethylene-based composition that 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; 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 is at least 0.965 g/cm3, and wherein the melt index (I2) of the polyethylene-based composition is 0.5 to 10 g/10 minutes.
    Type: Application
    Filed: March 25, 2021
    Publication date: April 20, 2023
    Inventors: Jian Wang, Karlheinz Hausmann, Sanjib Biswas, Brayden E. Glad, Douglas S. Ginger, Justice Alaboson, Ronald Wevers
  • Publication number: 20230036612
    Abstract: An elastic film-forming thermoplastic elastomer resin composition for forming an elastic film including: (a) at least one thermoplastic elastomer such as an olefinic block copolymer; and (b) at least one specific nucleation agent; wherein the resulting blended resin composition of components (a) and (b) improves the elastic performance (e.g., physical properties of elasticity such as retractive force, hysteresis, and immediate set) of a cast film made from the above resin blend composition; and an elastic film made from the above resin blend composition.
    Type: Application
    Filed: November 4, 2020
    Publication date: February 2, 2023
    Inventors: Jong Young Lee, Yijian Lin, Kyle D. Anderson, Aleksandar Stoiljkovic, Arnaldo T. Lorenzo, Stacy L. Pesek, Ronald Wevers
  • Patent number: 11400692
    Abstract: The present disclosure provides a film. In an embodiment, a multilayer film is provided and includes (A) a seal layer, (B) a barrier layer, and (C) an odor control layer. The odor control layer includes an odor control composition containing (A) from 85 wt % to 99.5 wt % of an olefin-based polymer and (B) from 15 wt % to 0.5 wt % of an odor suppressant. The odor suppressant includes a blend of: (i) an ionomer, (ii) particles of zinc oxide, and (iii) particles of copper oxide. The composition has a methyl mercaptan odor suppression value of greater than 45% as measured in accordance with ASTM D5504-12.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: August 2, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Jeffrey E. Bonekamp, Ronald Wevers, Scott T. Matteucci, Arkady L. Krasovskiy, Kefu Sun, Keran Lu
  • 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: 11261544
    Abstract: An ethylene/alpha-olefin interpolymer suitable for use in fibers and nonwovens having a density of from 0.911 to 0.939 g/cc, a Brookfield viscosity of less than or equal to 50,000 cP, and a molecular weight distribution (Mw,cc/Mn,cc) of 1.8 to 3.5, and articles thereof.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: March 1, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Viraj Shah, Yijian Lin, Ronald Wevers, Rongjuan Cong, Mehmet Demirors
  • Publication number: 20210363334
    Abstract: The present disclosure provides a fiber and fabrics made therefrom. In an embodiment, a fiber is provided and includes an odor control composition. The odor control composition includes (A) from 85 wt % to 99.5 wt % of an olefin-based polymer and (B) from 15 wt % to 0.5 wt % of an odor suppressant. The odor suppressant includes: (i) an ionomer, (ii) particles of zinc oxide, and (iii) particles of copper oxide.
    Type: Application
    Filed: August 26, 2019
    Publication date: November 25, 2021
    Inventors: Scott T. Matteucci, Jeffrey E. Bonekamp, Arkady L. Krasovskiy, Kefu Sun, Keran Lu, Ronald Wevers
  • Publication number: 20210187920
    Abstract: The present disclosure provides a film. In an embodiment, a multilayer film is provided and includes (A) a seal layer, (B) a barrier layer, and (C) an odor control layer. The odor control layer includes an odor control composition containing (A) from 85 wt % to 99.5 wt % of an olefin-based polymer and (B) from 15 wt % to 0.5 wt % of an odor suppressant. The odor suppressant includes a blend of: (i) an ionomer, (ii) particles of zinc oxide, and (iii) particles of copper oxide. The composition has a methyl mercaptan odor suppression value of greater than 45% as measured in accordance with ASTM D5504-12.
    Type: Application
    Filed: August 23, 2019
    Publication date: June 24, 2021
    Inventors: Jeffrey E. Bonekamp, Ronald Wevers, Scott T. Matteucci, Arkady L. Krasovskiy, Kefu Sun, Keran Lu
  • Publication number: 20210115237
    Abstract: The present disclosure provides for a bicomponent fiber that includes a first region formed of a condensation polymer and a second region formed from a polyethylene blend. The polyethylene blend includes (i) an ethylene-based polymer having a density of 0.920 g/cm3 to 0.970 g/cm3 and a melt index, I2, as determined by ASTM D1238 at 190° C. and 2.16 kg of 0.5 to 150 g/10 minutes; (ii) a maleic anhydride -grafted polyethylene; and (iii) an inorganic Brønsted-Lowry acid having an acid strength pKa value at 25° C. of 1 to 6.5, wherein the polyethylene blend has a 0.03 to 0.5 weight percent of grafted maleic anhydride based on the total weight of the polyethylene blend. The first region is a core region of the bicomponent fiber and the second region is a sheath region of the bicomponent fiber, where the sheath region surrounds the core region.
    Type: Application
    Filed: March 27, 2019
    Publication date: April 22, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Fabricio Arteaga Larios, Brian W. Walther, Jill M. Martin, Ronald Wevers, Robert W. Bell
  • Publication number: 20210025080
    Abstract: The present disclosure provides for a bicomponent fiber that includes a first region formed of a condensation polymer and a second region formed from a polypropylene blend. The polypropylene blend includes (i) a propylene-based polymer having a density of 0.895 g/cm3 to 0.920 g/cm3 and a melt index, I2, as determined by ASTM D1238 at 230° C. and 2.16 kg of 0.5 to 150 g/10 minutes; (ii) a maleic anhydride-grafted polypropylene; and (iii) an inorganic Brønsted-Lowry acid having an acid strength pKa value at 25° C. of 1 to 6.5, wherein the polypropylene blend has a 0.03 to 0.3 weight percent of grafted maleic anhydride based on the total weight of the polypropylene blend. The first region is a core region of the bicomponent fiber and the second region is a sheath region of the bicomponent fiber, where the sheath region surrounds the core region.
    Type: Application
    Filed: March 4, 2019
    Publication date: January 28, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Fabricio Arteaga Larios, Brian W. Walther, Jill M. Martin, Ronald Wevers, Robert W. Bell
  • Patent number: 10858505
    Abstract: The invention provides ethylene-based composition comprising a blend of an ultra-high molecular weight polyethylene having an intrinsic viscosity from 5 to 50 deciliters/gram; a thermoplastic polyolefin elastomer having a density of from 0.850 to 0.910 g/cc; and, optionally, a fluoropolymer.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: December 8, 2020
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Dane Chang, Siddharth Ram Athreya, Ronald Wevers
  • Patent number: 10844203
    Abstract: The invention provides a composition suitable for use in pipe applications, the composition comprising: an ultra-high molecular weight ethylene-based polymer having an intrinsic viscosity from 5 to 50 deciliters/gram; a polyethylene resin comprising a first molecular weight ethylene-based polymer component and a second molecular weight ethylene-based polymer component, wherein the polyethylene resin has a density from 0.930 to 0.960 g/cc; a thermoplastic polyolefin elastomer having a density of from 0.850 to 0.910 g/cc; and, optionally, a fluoropolymer.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: November 24, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Dane Chang, Siddharth Ram Athreya, Ronald Wevers