Patents by Inventor Jozef J. I. Van Dun

Jozef J. I. Van Dun 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: 11912842
    Abstract: The present disclosure provides a foam bead. The foam bead contains at least one of the following components: (A) a block composite; and/or (B) a crystalline block composite. The present disclosure also provides a sintered foam structure formed from a composition comprising at least one of the following components: (A) a block composite; and/or (B) a crystalline block composite.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: February 27, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Haiyang Yu, Yunfeng Yang, Jozef J I Van Dun
  • Patent number: 11903531
    Abstract: A cleansing wipe may be formed from a nonwoven and includes a first ethylene/alpha-olefin interpolymer and a second ethylene/alpha-olefin interpolymer. The cleansing wipe may also have a SaMbSc configuration, wherein the M, meltblown layer, is formed from the first ethylene/alpha-olefin interpolymer and the second ethylene/alpha-olefin interpolymer. The cleansing wipe may be formed a nonwoven comprising bicomponent fibers that incorporate the first ethylene/alpha-olefin interpolymer and the second ethylene/alpha-olefin interpolymer.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 20, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Xin Huang, Shijie Ren, Yijian Lin, Jozef J. I. Van Dun
  • Patent number: 11866567
    Abstract: The present disclosure provides a foam bead. The foam bead is formed from a composition containing (A) a silane-functionalized ethylene/?-olefin multi-block interpolymer. The present disclosure also provides a sintered foam structure. The sintered foam structure is formed from foam beads that are formed from a composition containing (A) a silane-functionalized ethylene/?-olefin multi-block interpolymer.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: January 9, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Haiyang Yu, Jozef J I Van Dun, Yunfeng Yang
  • Publication number: 20230407030
    Abstract: The present disclosure provides a process. In an embodiment, the process includes providing a foamable composition. The foamable composition includes an ethylene-based elastomer, a blowing agent, and a peroxide. The process includes heating the foamable composition to form a pliable formulation. The pliable formulation has (i) a viscosity (0.1 rad/s at 180° C.) from greater than 70,000 Pa·s to 2,000,000 Pa·s, (ii) a tan delta (0.1 rad/s at 180° C.) from 0.2 to less than 2, (iii) a strain hardening index greater than 2.5 to 6, and (iv) an extensional viscosity (1 s?1 at 180° C.) from greater than 400,000 Pa-s to 7,000,000 Pa-s. The process includes introducing the pliable formulation into a mold having an expandable mold cavity and unidirectionally expanding the expandable mold to form a crosslinked foam article. The process includes cooling, in the expanded mold, the crosslinked foam article; and removing the crosslinked foam article from the expandable mold.
    Type: Application
    Filed: November 23, 2021
    Publication date: December 21, 2023
    Inventors: Sophie Gina Martha Van Lange, Jozef J.I. Van Dun, Miguel Albertodejusus
  • Publication number: 20230391973
    Abstract: The present disclosure relates to polyolefin foam beads comprising one or more polyolefin interpolymers, wherein the foam bead has a gel content of higher than or equal to 80% and a tan delta at 1 rad/s of lower or equal to 0.11 and a process for producing the same. The present disclosure further relates to an element prepared from the foam beads, a product comprising the element, and use of the foam beads in bead-filling applications.
    Type: Application
    Filed: December 14, 2020
    Publication date: December 7, 2023
    Inventors: Yunfeng Yang, Haiyang Yu, Jozef J.I. Van Dun, Bo Lyu
  • Patent number: 11760057
    Abstract: The present disclosure provides a fabric laminate. In an embodiment, the fabric laminate includes a fabric sheet, a coating layer, and a tie layer. The fabric sheet is composed of propylene-based polymer fibers. The coating layer is composed of one or more ethylene-based polymers. The tie layer is located between the fabric sheet and the coating layer. The tie layer is composed of at least 50 wt % of a crystalline block composite (CBC) and an optional blend component. The CBC includes (i) an isotactic crystalline propylene homopolymer (iPP); (ii) an ethylene/propylene copolymer; and (iii) a diblock with the formula (EP)-(iPP). The CBC has a block composite index (CBCI) from 0.1 to 1.0. The fabric laminate has a peel force from 20 N/15 mm to 40 N/15 mm.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: September 19, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Stefan Ultsch, Yushan Hu, Jozef J.I. Van Dun, Ming Ming
  • Publication number: 20230279165
    Abstract: A process to form a crosslinked composition comprising thermally treating a composition at a temperature ? 25° C., in the presence of moisture, and wherein the composition comprises the following components: a) an olefin/silane interpolymer, b) a cure catalyst selected from the following: i) a metal alkoxide, ii) a metal carboxylate, iii) a metal sulfonate, iv) an aryl sulfonic acid, v) a tris-aryl borane, vi) any combination of two or more from i)-v). Also, a composition comprising the following components a and b, as described above. A process to form an olefin/alkoxysilane interpolymer, and the corresponding composition, said process comprising thermally treating a composition comprising the following components: a) an olefin/silane interpolymer, b) an alcohol, and c) a Lewis acid.
    Type: Application
    Filed: June 23, 2021
    Publication date: September 7, 2023
    Applicants: Dow Global Technologies LLC, Dow Silicones Corporation
    Inventors: Jordan C. Reddel, Mark F. Sonnenschein, David S. Laitar, Andrew B. Shah, Bethany M. Neilson, Colin LiPi Shan, David D. Devore, Jozef J. I. Van Dun, Philip D. Hustad, Zhanjie Li, Zachary S. Kean, Ken Kawamoto
  • Publication number: 20230272567
    Abstract: Provided are bicomponent fibers with improved curvature. The bicomponent fiber comprises a first region and a second region. The first region comprises a first polyethylene composition and second region comprises a second polyethylene composition, wherein the first polyethylene composition has a crystallization temperature (Tc) greater than a crystallization temperature (Tc) of the second polyethylene composition. The bicomponent fiber can be used to form a nonwoven.
    Type: Application
    Filed: May 5, 2021
    Publication date: August 31, 2023
    Inventors: Akanksha Garg, Yijian Lin, Aleksandar Stoiljkovic, Jozef J.I. Van Dun, Fabricio Arteaga Larios, Rajesh P. Paradkar
  • Publication number: 20230235487
    Abstract: Provided are bicomponent fibers with improved curvature. The bicomponent fibers comprise a first polymer region or first region and a second polymer region or second region. The first region according to embodiments of the present disclosure comprises an ethylene/alpha-olefin interpolymer and has a light scattering cumulative detector fraction (CDFLS) of greater than 0.1200, wherein the CDFLS is computed by measuring the area fraction of a low angle laser light scattering (LALLS) detector chromatogram greater than, or equal to, 1,000,000 g/mol molecular weight using Gel Permeation Chromatography (GPC). The second region comprises a polyester. The bicomponent fibers can be used for forming nonwovens.
    Type: Application
    Filed: May 5, 2021
    Publication date: July 27, 2023
    Inventors: Akanksha Garg, Yijian Lin, Aleksandar Stoiljkovic, John P. O'Brien, Jozef J. I. Van Dun, Fabricio Arteaga Larios
  • Publication number: 20230203291
    Abstract: Embodiments are directed to polymer compositions and foams including polymer compositions. Embodiments of the polymer composition may include at least 55 wt. %, based on the total weight of the polymer composition, of a polyolefin elastomer having an ethylene content of from greater than 50 wt. % to less than 80 wt. % and a cross-linkable blend comprising: (i) from 1 wt. % to 99 wt. %, based on the total weight of the cross-linkable blend, of an E/X/Y polymer and (ii) from 1 wt. % to 99 wt. %, based on the total weight of the cross-linkable blend, of an epoxycontaining polymer.
    Type: Application
    Filed: April 5, 2021
    Publication date: June 29, 2023
    Applicant: Dow Global Technologies LLC
    Inventors: Xian Jiang, Lisa S. Madenjian, Jozef J.I. Van Dun, James R. de Garavilla
  • Patent number: 11667819
    Abstract: A composition is provided, which comprises an ethylene/C3-C6 alpha-olefin interpolymer, and wherein the interpolymer comprises the following properties: a) an HCC value that meets the following equation: HCC(wt %)??648.6[(wt %)(cc)/(g)]×(density)+569.4(wt %); b) an aged flowability ?130 g/sec.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: June 6, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Jozef J. I. Van Dun, Yi Jin
  • Publication number: 20220408985
    Abstract: A cleansing wipe may be formed from a nonwoven and includes a first ethylene/alpha-olefin interpolymer and a second ethylene/alpha-olefin interpolymer. The cleansing wipe may also have a SaMbSc configuration, wherein the M, meltblown layer, is formed from the first ethylene/alpha-olefin interpolymer and the second ethylene/alpha-olefin interpolymer. The cleansing wipe may be formed a nonwoven comprising bicomponent fibers that incorporate the first ethylene/alpha-olefin interpolymer and the second ethylene/alpha-olefin interpolymer.
    Type: Application
    Filed: December 20, 2019
    Publication date: December 29, 2022
    Inventors: Xin Huang, Shijie Ren, Yijian Lin, Jozef J. I. Van Dun
  • Publication number: 20220332913
    Abstract: The present disclosure provides a process. The process includes (i) crosslinking pellets composed of a silane-grafted ethylene/?-olefin multi-block copolymer (Si-g-OBC) to a gel content from 10% to 80% to form crosslinked Si-g-OBC pellets; and (ii) foaming the crosslinked Si-g-OBC pellets to form crosslinked Si-g-OBC foam beads having a gel content from 10% to 80%.
    Type: Application
    Filed: September 27, 2019
    Publication date: October 20, 2022
    Inventors: Yunfeng Yang, Haiyang Yu, Jozef J.I. Van Dun, Miguel Alberto De Jesus Prieto
  • Publication number: 20220213355
    Abstract: The present disclosure provides a composition. The composition contains (A) an ethylene/?-olefin copolymer containing (i) ethylene and (ii) from 20 wt % to 35 wt % C6-C8 ?-olefin comonomer, the ethylene/?-olefin copolymer having a density from 0.880 g/cc to 0.895 g/cc, a melt viscosity, at 177° C., from 4,000 mPa·s to 20,000 mPa·s, and a glass transition temperature from ?55° C. to ?20° C.; (B) a tackifier, and (C) a wax.
    Type: Application
    Filed: April 15, 2019
    Publication date: July 7, 2022
    Inventors: Allan Walter McLennaghan, Yi Jin, Jozef J.I. Van Dun, Ryan Schneider, Wanfu Ma
  • Publication number: 20220049065
    Abstract: The present disclosure provides a foam bead. The foam bead contains at least one of the following components: (A) a block composite; and/or (B) a crystalline block composite. The present disclosure also provides a sintered foam structure formed from a composition comprising at least one of the following components: (A) a block composite; and/or (B) a crystalline block composite.
    Type: Application
    Filed: June 29, 2018
    Publication date: February 17, 2022
    Inventors: Haiyang Yu, Yunfeng Yang, Jozef J I Van Dun
  • Publication number: 20210380790
    Abstract: A process to make a friable bale, and a friable bale formed from the same, wherein the friable bale is formed from a composition comprising coated polymer particles, which comprise polymer particles formed from a polymer composition comprising an olefin-based polymer, and a coating formed from a coating composition comprising an aqueous metal acid dispersion, and an aqueous polysiloxane emulsion, and wherein the friable bale has a compression force ?1.00 MPa.
    Type: Application
    Filed: June 6, 2019
    Publication date: December 9, 2021
    Inventors: Guang Ming Li, Shrikant Dhodapkar, Rerni A. Trottier, Gerrit Grootenzerink, Jozef J. I. Van Dun
  • Publication number: 20210277214
    Abstract: A foam bead is formed from a composition comprising an ionomer comprising, in polymerized form, ethylene, an unsaturated acid comonomer and, optionally, an acrylate comonomer, wherein the unsaturated acid comonomer is at least partially neutralized with a neutralizing agent. A sintered foam structure is formed from foam beads that are formed from above composition.
    Type: Application
    Filed: June 29, 2018
    Publication date: September 9, 2021
    Applicants: Dow Global Technologies LLC, Performance Materials NA, Inc.
    Inventors: Haiyang Yu, Jinliang Yan, Yunfeng Yang, Jozef J.I. Van Dun
  • Publication number: 20210252826
    Abstract: The present disclosure provides a fabric laminate. In an embodiment, the fabric laminate includes a fabric sheet, a coating layer, and a tie layer. The fabric sheet is composed of propylene-based polymer fibers. The coating layer is composed of one or more ethylene-based polymers. The tie layer is located between the fabric sheet and the coating layer. The tie layer is composed of at least 50 wt % of a crystalline block composite (CBC) and an optional blend component. The CBC includes (i) an isotactic crystalline propylene homopolymer (iPP); (ii) an ethylene/propylene copolymer; and (iii) a diblock with the formula (EP)-(iPP). The CBC has a block composite index (CBCI) from 0.1 to 1.0. The fabric laminate has a peel force from 20 N/15 mm to 40 N/15 mm.
    Type: Application
    Filed: August 31, 2018
    Publication date: August 19, 2021
    Inventors: Stefan Ultsch, Yushan Hu, Jozef J.I. Van Dun, Ming Ming
  • Publication number: 20210155832
    Abstract: A composition is provided, which comprises an ethylene/C3-C6 alpha-olefin interpolymer, and wherein the interpolymer comprises the following properties: a) an HCC value that meets the following equation: HCC(wt %)??648.6[(wt %)(cc)/(g)]×(density)+569.4(wt %); b) an aged flowability ?130 g/sec.
    Type: Application
    Filed: January 14, 2021
    Publication date: May 27, 2021
    Inventors: Jozef J. I. Van Dun, Yi Jin
  • Publication number: 20210115213
    Abstract: The present disclosure provides a foam bead. The foam bead is formed from a composition containing (A) a silane-functionalized ethylene/?-olefin multi-block interpolymer. The present disclosure also provides a sintered foam structure. The sintered foam structure is formed from foam beads that are formed from a composition containing (A) a silane-functionalized ethylene/?-olefin multi-block interpolymer.
    Type: Application
    Filed: June 29, 2018
    Publication date: April 22, 2021
    Inventors: Haiyang Yu, Jozef J I Van Dun, Yunfeng Yang