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).
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Patent number: 12365776Abstract: 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: GrantFiled: November 23, 2021Date of Patent: July 22, 2025Assignee: Dow Global Technologies LLCInventors: Sophie Gina Martha Van Lange, Jozef J. I. Van Dun, Miguel Albertodejusus Prieto
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Patent number: 12291657Abstract: 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: GrantFiled: April 15, 2019Date of Patent: May 6, 2025Assignee: Dow Global Technologies LLCInventors: Allan Walter McLennaghan, Yi Jin, Jozef J. I. Van Dun, Ryan Schneider, Wanfu Ma
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Patent number: 12098267Abstract: 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: GrantFiled: June 6, 2019Date of Patent: September 24, 2024Assignee: Dow Global Technologies LLCInventors: Guang Ming Li, Shrikant Dhodapkar, Rerni A. Trottier, Gerrit Grootenzerink, Jozef J. I. Van Dun
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Patent number: 12024621Abstract: 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: GrantFiled: June 29, 2018Date of Patent: July 2, 2024Assignee: Dow Global Technologies LLCInventors: Haiyang Yu, Jinliang Yan, Yunfeng Yang, Jozef J. I. Van Dun
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Patent number: 11912842Abstract: 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: GrantFiled: June 29, 2018Date of Patent: February 27, 2024Assignee: Dow Global Technologies LLCInventors: Haiyang Yu, Yunfeng Yang, Jozef J I Van Dun
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Patent number: 11903531Abstract: 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: GrantFiled: December 20, 2019Date of Patent: February 20, 2024Assignee: Dow Global Technologies LLCInventors: Xin Huang, Shijie Ren, Yijian Lin, Jozef J. I. Van Dun
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Patent number: 11866567Abstract: 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: GrantFiled: June 29, 2018Date of Patent: January 9, 2024Assignee: Dow Global Technologies LLCInventors: Haiyang Yu, Jozef J I Van Dun, Yunfeng Yang
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Publication number: 20230279165Abstract: 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: ApplicationFiled: June 23, 2021Publication date: September 7, 2023Applicants: Dow Global Technologies LLC, Dow Silicones CorporationInventors: 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
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Publication number: 20230235487Abstract: 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: ApplicationFiled: May 5, 2021Publication date: July 27, 2023Inventors: Akanksha Garg, Yijian Lin, Aleksandar Stoiljkovic, John P. O'Brien, Jozef J. I. Van Dun, Fabricio Arteaga Larios
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Patent number: 11667819Abstract: 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: GrantFiled: January 14, 2021Date of Patent: June 6, 2023Assignee: Dow Global Technologies LLCInventors: Jozef J. I. Van Dun, Yi Jin
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Publication number: 20220408985Abstract: 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: ApplicationFiled: December 20, 2019Publication date: December 29, 2022Inventors: Xin Huang, Shijie Ren, Yijian Lin, Jozef J. I. Van Dun
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Publication number: 20220049065Abstract: 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: ApplicationFiled: June 29, 2018Publication date: February 17, 2022Inventors: Haiyang Yu, Yunfeng Yang, Jozef J I Van Dun
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Publication number: 20210380790Abstract: 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: ApplicationFiled: June 6, 2019Publication date: December 9, 2021Inventors: Guang Ming Li, Shrikant Dhodapkar, Rerni A. Trottier, Gerrit Grootenzerink, Jozef J. I. Van Dun
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Publication number: 20210155832Abstract: 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: ApplicationFiled: January 14, 2021Publication date: May 27, 2021Inventors: Jozef J. I. Van Dun, Yi Jin
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Publication number: 20210115213Abstract: 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: ApplicationFiled: June 29, 2018Publication date: April 22, 2021Inventors: Haiyang Yu, Jozef J I Van Dun, Yunfeng Yang
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Patent number: 7847029Abstract: This invention relates to polyolefin compositions. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines due to improved resistance to draw resonance. The compositions of the present invention comprise an elastomeric polyolefin resin and a high pressure low density type resin. The preferred compositions of the present invention comprise from 88 to 99 percent elastomer or plastomer and from 1 to 12 percent by weight of a high pressure low density type resin.Type: GrantFiled: December 23, 2005Date of Patent: December 7, 2010Assignee: Dow Global Technologies, Inc.Inventors: Thomas I. Butler, Andy C. Chang, Jozef J. I. Van Dun, Ronald J. Weeks, Jeffrey D. Weinhold, Rajen M. Patel, David T. Gillespie
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Patent number: 7736737Abstract: The present invention relates to soft touch fibers and nonwoven fabrics made from such fibers. The fibers comprise an incompatible polymer system which leads to the soft touch quality. The fibers comprise a mixture of at least two thermoplastic polymers each having different viscosities and wherein the mixture has an interfacial tension from about 0.5 to about 20 mN/m, and wherein the mixture comprises a portion of the fiber surface. The fibers may include from 40-98 percent of a polyolefin continuous phase and from 2 to 60 weight percent of an amorphous thermoplast dispersed phase, such as polystyrene or polyamide.Type: GrantFiled: January 30, 2004Date of Patent: June 15, 2010Assignee: Dow Global Technologies Inc.Inventors: Jozef J. I. Van Dun, Daniel R. Bosak, John E. Flood, Edward N. Knickerbocker, Thomas Allgeuer, Karin Katzer, Miguel A. Prieto Goubert
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Publication number: 20080293890Abstract: This invention relates to polyolefin compositions. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines due to improved resistance to draw resonance. The compositions of the present invention comprise an elastomeric polyolefin resin and a high pressure low density type resin. The preferred compositions of the present invention comprise from 88 to 99 percent elastomer or plastomer and from 1 to 12 percent by weight of a high pressure low density type resin.Type: ApplicationFiled: December 23, 2005Publication date: November 27, 2008Applicant: DOW GLOBAL TECHNOLOGIES INC.Inventors: Thomas I. Butler, Andy C. Chang, Jozef J. I. Van Dun, Ronald J. Weeks, Jeffrey D. Weinhold, Rajen M. Patel, David T. Gillespie
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Patent number: 7413803Abstract: Extensible bicomponent fibers and webs particularly adapted for disposable personal care product component applications. Sheath/core configurations providing desirable feel properties for elastic embodiments when compared with conventional elastic fibers and webs are obtained with specific olefin polymer combinations and sheath configurations.Type: GrantFiled: August 3, 2006Date of Patent: August 19, 2008Assignee: Dow Global Technologies Inc.Inventors: Joy F. Jordan, Renette E. Richard, Christian L. Sanders, Varunesh Sharma, Stephen M. Englebert, Bryon P. Day, Andy C. Chang, Hong Peng, Jozef J. I. Van Dun, Randy E. Pepper, Edward N. Knickerbocker, Antonios K. Doufas, Rajen M. Patel
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Patent number: 7101623Abstract: Extensible bicomponent fibers and webs particularly adapted for disposable personal care product component applications. Sheath/core configurations providing desirable feel properties for elastic embodiments when compared with conventional elastic fibers and webs are obtained with specific olefin polymer combinations and sheath configurations.Type: GrantFiled: February 28, 2005Date of Patent: September 5, 2006Assignee: Dow Global Technologies Inc.Inventors: Joy F. Jordan, Renette E. Richard, Christian L. Sanders, Varunesh Sharma, Stephen M. Englebert, Bryon P. Day, Andy C. Chang, Hong Peng, Jozef J. I. Van Dun, Randy E. Pepper, Edward N. Knickerbocker, Antonios K. Doufas, Rajen M. Patel