Patents Assigned to Dow Global Technologies LLC
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Publication number: 20250145748Abstract: Embodiments of the present disclosure are directed to methods for producing ethylene acid copolymer comprising: polymerizing via free-radical polymerization at a pressure of at least 1000 atmospheres (atm) an ethylene monomer and unsaturated carboxylic acid containing comonomer to produce the ethylene acid copolymer, wherein the ethylene monomer and unsaturated carboxylic acid containing comonomer are in a mixture comprising at least one saturated carboxylic acid cosolvent, and wherein the at least one saturated carboxylic acid cosolvent having a boiling point less than 237° C. at 1 atm pressure and is present in the mixture at an amount of 1 to 25 wt. %.Type: ApplicationFiled: January 27, 2023Publication date: May 8, 2025Applicant: Dow Global Technologies LLCInventors: Ivan A. Konstantinov, Christopher R. Eddy, Sean W. Ewart, Bruce M. Hasch, David Koenigs, Shannon Meerscheidt, Sarat Munjal
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Publication number: 20250145546Abstract: A method for preparing C2 to C5 paraffins including introducing a feed stream of hydrogen gas and a carbon-containing gas selected from carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor. Converting the feed stream into a product stream that includes C2 to C5 paraffins in the reaction zone in the presence of a hybrid catalyst. The hybrid catalyst including a microporous catalyst component; and a metal oxide catalyst component. The metal oxide catalyst component including a metal component present on a metal oxide support material. The metal oxide support material includes at least one oxide of a metal selected from Group 4 of the IUPAC periodic table of elements. The product stream has a C3/C2 carbon molar ratio greater than or equal to 4.0.Type: ApplicationFiled: January 14, 2025Publication date: May 8, 2025Applicant: Dow Global Technologies LLCInventors: Alexey Kirilin, Adam Chojecki, Joseph F. DeWilde, Glenn Pollefeyt, Davy L.S. Nieskens, Andrzej Malek
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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: 12291498Abstract: According to one or more embodiments, a method for forming light olefins may comprise introducing a hydrocarbon feed stream into a reactor, reacting the hydrocarbon feed stream with a dehydrogenation catalyst in the reactor to from a high temperature dehydrogenated product, separating at least a portion of the dehydrogenation catalyst from the high temperature dehydrogenated product in a primary separation device, combining the high temperature dehydrogenation product with a quench stream to cool the high temperature dehydrogenation product and form an intermediate temperature dehydrogenation product, and cooling the intermediate temperature dehydrogenation product to form a cooled dehydrogenation product.Type: GrantFiled: May 15, 2024Date of Patent: May 6, 2025Assignee: Dow Global Technologies LLCInventors: Matthew T. Pretz, Hangyao Wang, Anthony Plauck, Adam M. McNeeley
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Patent number: 12291582Abstract: A process for producing a crosslinked cellulose ether including the steps of (i) contacting at least one cellulose material with a mixture comprising (ia) at least one crosslinking agent and (ib) at least one alkalization reagent to form an activated cellulose material; and (ii) contacting the activated cellulose material of step (i) with at least one etherification reagent; wherein the at least one etherification reagent reacts with the activated cellulose material to form the crosslinked cellulose ether; and a crosslinked cellulose ether produced by the above process.Type: GrantFiled: April 17, 2020Date of Patent: May 6, 2025Assignee: DOW GLOBAL TECHNOLOGIES LLCInventors: Alexandra Hild, Jöerg Neubauer, Sonja Menz, Matthias Sprehe, Michael Schreck
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Patent number: 12291643Abstract: A storage stable aqueous coating composition comprising a novel combination of an anionic acrylic polymer with a small amount of a specific acetoacetamide functional compound and providing coating films made therefrom with formaldehyde abatement property, yellowing resistance, and scrub resistance.Type: GrantFiled: December 26, 2019Date of Patent: May 6, 2025Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANYInventors: Jianming Xu, Wei Cui, Yunfei Lan, Cuilan Chang
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Patent number: 12293857Abstract: A semiconductive composite material comprising a non-polar organic polymer, a polar organic copolymer, and an electrical conducting effective amount of an ultra-low-wettability carbon black. Also a method of making the composite material; a crosslinked polyethylene product made by curing the composite material; manufactured articles comprising a shaped form of the inventive composite material or product; and methods of using the inventive composite material, product, or articles.Type: GrantFiled: March 22, 2019Date of Patent: May 6, 2025Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Tian Lan, Xindi Yu, Michael Q. Tran, Paul J. Brigandi, Jeffrey M. Cogen, Timothy J. Person, Yichi Zhang, Junsi Gu, Jessica Ye Huang, Casey A. Wolf
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Patent number: 12290826Abstract: The present disclosure provides for an automated spray system (100) to produce an elastomeric pad on a railroad tie. The automated spray system (100) includes a two-component spray system (102) for spraying a two-component reaction mixture to produce the elastomeric pad on the railroad tie. The automated spray system further includes a gantry system (140) having girder (146) that supports the spray applicator.Type: GrantFiled: January 7, 2021Date of Patent: May 6, 2025Assignee: Dow Global Technologies LLCInventors: Yinglong Chen, Larry D. Dotson, Huang Wu, Jason A Reese, Kevin W. Light, Annette Baker, J. Cody Clinton
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Patent number: 12286502Abstract: Processes of polymerizing olefin monomers using catalyst systems comprising a procatalyst having a structure according to Formula (I).Type: GrantFiled: June 23, 2020Date of Patent: April 29, 2025Assignee: Dow Global Technologies LLCInventors: Jordan C. Reddel, Todd D. Senecal, Brad C. Bailey, Andrew M. Camelio, Sukrit Mukhopadhyay, John B. Etienne
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Patent number: 12286528Abstract: Provided is a composition comprising an aqueous medium, and further comprising, dispersed in the aqueous medium: (a) particles (a) that comprise a maleated polyolefin (a), and (b) particles (b) that comprise an acrylic polymer (b), wherein the acrylic polymer (b) comprises, by weight based on the solid weight of the acrylic polymer (b): (i) 0.1% to 10% polymerized units of hydroxyl functional acrylic monomer, (ii) 1% to 20% polymerized units of carboxyl functional monomer, and (iii) 70% to 98.9% polymerized units of one or more additional monomer (iii) selected from the group consisting of acrylic monomers, styrenic monomers, and mixtures thereof, wherein the maleated polyolefin (a) is present in an amount of 1% to 19% by weight based on the sum of the solid weights of maleated polyolefin (a) and acrylic polymer (b). Also provided is a method of binding fibers using the composition.Type: GrantFiled: July 12, 2019Date of Patent: April 29, 2025Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Yin Xue, Thierry Egraz
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Patent number: 12286550Abstract: An aqueous polymer dispersion and an aqueous coating composition comprising the aqueous polymer dispersion, and the aqueous coating composition providing the resulting coatings with good anti-corrosion property.Type: GrantFiled: December 19, 2016Date of Patent: April 29, 2025Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANYInventors: Shujun Shu, Yujiang Wang, Baoqing Zheng, Jia Tang
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Publication number: 20250128222Abstract: According to one or more embodiments, a plate grid distributor for distributing a fluid in a vessel or a plenum for removing a fluid from a vessel may include a plate and a skirt. The skirt may be in direct contact with the plate and may include a first portion and a second portion. The first portion may be in direct contact with the plate and the second portion may be in direct contact with the first portion. The first portion may have a first allowable stress and the second portion may have a second allowable stress. According to one or more other embodiments, a method of distributing a fluid through a plate grid distributor in a vessel may include passing the fluid into the vessel and directing the fluid through the plate grid distributor.Type: ApplicationFiled: June 24, 2022Publication date: April 24, 2025Applicant: Dow Global Technologies LLCInventors: Matthew T. Pretz, Donald F. Shaw, Richard E. Walter, Albert Meza, Fermin Sandoval, Liwei Li
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Publication number: 20250129230Abstract: Embodiments are directed towards methods for purifying a reclaimed polymer.Type: ApplicationFiled: January 27, 2023Publication date: April 24, 2025Applicant: Dow Global Technologies LLCInventors: Yi Ye, Shrikant Dhodapkar, Joshua B. Gaubert, Matthew C. Simons, Michael J. Zogg, JR., Michael D. Turner, Alec Y. Wang
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Publication number: 20250129191Abstract: Embodiments are directed to catalyst systems comprising a metal ligand complex procatalyst, and an activator, wherein the activator comprises an anion and a cation, the anion having a structure according to formula (I).Type: ApplicationFiled: September 9, 2022Publication date: April 24, 2025Applicant: Dow Global Technologies LLCInventors: David M. Pearson, David S. Laitar, Cole A. Witham
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Patent number: 12281186Abstract: A composition comprising the following components a)-c): a) an alpha composition comprising a multimodal ethylene/alpha-olefin interpolymer, and wherein the alpha composition comprises the following properties: i) an Mz/Mn?8.0, ii) a density from 0.855 to 0.890 g/cc, iii) a V100 (100° C.)?2,000 Pa·s, iv) a V1.0 (100° C.)?15,000 Pa·s, v) a Mn?16,000 g/mol; b) a peroxide; and c) a silane coupling agent.Type: GrantFiled: December 26, 2019Date of Patent: April 22, 2025Assignee: Dow Global Technologies LLCInventors: Gaoxiang Wu, Brian M. Habersberger, Hong Yang, Johnathan E. DeLorbe, Thomas Wesley Karjala, Jr.
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Patent number: 12280360Abstract: According to one or more embodiments of the present disclosure, a fluidization promoter useful for dehydrogenation includes from 0.1 wt. % to 10 wt. % gallium, from 5 ppm to 500 ppm platinum, less than 5 wt. % alkali metal or alkaline earth metal, and a support material. A median particle size of the fluidization promoter is from 20 ?m to 50 ?m. Catalyst systems useful for dehydrogenation and methods for producing olefins using the same are also disclosed.Type: GrantFiled: December 15, 2021Date of Patent: April 22, 2025Assignee: Dow Global Technologies LLCInventors: Lin Luo, Yang Yang, Matthew T. Pretz
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Patent number: 12281190Abstract: Processes of polymerizing olefin monomers using catalyst systems and catalysts systems that include a procatalyst having a structure according to formula (I): (I).Type: GrantFiled: August 18, 2020Date of Patent: April 22, 2025Assignees: Dow Global Technologies LLC, California Institute of TechnologyInventors: Theodor Agapie, Shuoyan Xiong, Brad C. Bailey, Heather A. Spinney, Alex J. Nett, David R. Wilson, Jerzy Klosin
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Patent number: 12281245Abstract: An adhesive composition for use in flooring applications that includes a moisture curable polymer system; a calcium carbonate filler system having a first spheroidal particle of calcium carbonate having an equivalent spherical mean diameter of 70 nanometer (nm) to 15 micrometer (?m) and a second spheroidal particle of calcium carbonate having an equivalent spherical mean diameter of greater than 15 ?m to 200 ?m; a seed oil based fatty acid ester; and a silane based adhesion promoter. The adhesive composition provides low viscosity along with high shear resistance, which helps to retain the troweled ridges to enable maximum coverage.Type: GrantFiled: January 3, 2020Date of Patent: April 22, 2025Assignee: Dow Global Technologies LLCInventors: Bindu Krishnan, Qiuyun Xu, Leonardo C. Lopez
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Patent number: 12275810Abstract: The present disclosure relates to novel telechelic polyolefins of the formula (I) and processes for preparing the same. In at least one aspect, the telechelic polyolefins of the formula (I) comprise unsaturations at both termini.Type: GrantFiled: December 27, 2019Date of Patent: April 15, 2025Assignee: Dow Global Technologies LLCInventors: Lixin Sun, Endre Szuromi, Edmund M. Carnahan
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Publication number: 20250115730Abstract: Embodiments are directed towards methods for purifying a reclaimed polymer.Type: ApplicationFiled: January 27, 2023Publication date: April 10, 2025Applicant: Dow Global Technologies LLCInventors: Yi Ye, Shrikant Dhodapkar, Joshua B. Gaubert, Matthew C. Simons, Michael J. Zogg, JR., Michael D. Turner, Alec Y. Wang